Physics Flashcards
A property of matter that is described in Newton’s First Law of Motion and refers to the tendency for an object to stay at rest or remain in motion unless acted upon by an external force. It’s an object’s tendency to resist a change in its state of motion.
Inertia
Type of nuclear reaction in which a heavy nucleus is split into two lighter nuclei
Fission
Resistance of two surfaces in contact with one another, opposing the relative motion between two surfaces.
Friction
In airplanes, atmospheric phenomenon caused by irregular motion
Turbulence
Four fundamental forces
Gravity, electromagnetic force, strong nuclear force, weak nuclear force
Field of physics that studies the properties of sound
Acoustics
This person developed the law of gravity after an apple fell on his head
Isaac Newton
An object’s ability to return to its original shape after being flattened or stretched
Elasticity
The temperature it takes to transform a substance, typically a liquid into vapor
Boiling point
Reaction between a fuel and an oxidant, giving off heat and light
Combustion
Strongest form of electromagnetic radiation
Gamma rays
This occurs when a neutron bombards into an atomic nucleus resulting in the atom to split into two smaller nuclei
Fission
This measures how fast vibrations travel. If an object exceeds it, a sonic boom occurs. It is also known as Mach-1.
Speed of sound
Objects whose namesake fields can attract or repel each other. They can be created by passing current through a wire.
Magnets
Dense region at the center of an atom that contains protons and neutrons
Nucleus
Electromagnetic waves discovered by Wilhelm Roentgen used in hospitals to create images of the body’s internal structure and examine the human skeleton
X-rays
Force that resists a body’s motion through a fluid.
Drag
Led the Manhattan Project , which was an American-led collaborative effort to develop the atomic bomb during World War II.
J. Robert Oppenheimer
An object that is in motion contains a form of energy called this.
kinetic energy
A Greek mathematician from Syracuse who discovered a principle pertaining to buoyancy .
Archimedes
Is the measurement of how much matter an object has, such as stars. It differs from weight as weight measures the gravitational force on an object.
Mass
Subatomic particles that contain a positive charge. They are found in the nucleus of an atom, along with the neutrally-charged neutron.
Protons
A German-American physicist who was born in Germany and died in the United States, developed the theory of special and general relativity and his famous equation: E=mc2 .
Albert Einstein
Simple machines refer to the basic devices used to apply a force. What are the six simple machines?
screw, wheel and axle, lever, inclined plane, pulley, and wedge
J. J. Thomson’s plum pudding model and Niels Bohr ’s planetary model were based on early ideas regarding the structure of what?
Atom
American-led collaborative effort to develop the atomic bomb during World War II.
Manhattan Project
299,792,458 meters per second traveling in vacuum
Speed of light
A subatomic particle that has a particle spin equal to an integer value.
Boson
The SI (International System of Units) unit of power
Watt
A seesaw is an example of this simple machine, commonly represented by wheelbarrows and seesaws that consists of a beam and fulcrum.
Lever
One of the fundamental methods of heat transfer in matter. It occurs when the energy from the motion of charged particles like electrons and protons is converted to radiation in the electromagnetic spectrum.
Thermal radiation
The “downward” force that pulls objects toward the center of the Earth and cause objects to fall toward the ground.
Gravity
This scale is used to measure temperature in science and is in common usage outside the United States.
Celsius
This is measured in amperes, quantifies the flow of electrical charge through a point.
Current
The property of a substance that can be measured by dividing its mass by its volume.
Density
Two of these particles behave as a boson in a Cooper pair, and these particles name
the most stable flavor of neutrino. These particles and stable leptons possess antiparticles called positrons, and these particles are the quanta and force carrier of the electromagnetic force. For the point, name these negatively charged particles that orbit the nucleus of an atom. These have a negative charge and are found in orbitals beyond the nucleus. Particles with a negative charge that orbit the nucleus.
Electrons
Elementary particles that combine to form protons and neutrons.
Quarks
The process in which the direction of a wave changes when entering another medium.
Refraction
This type of radiation has wavelengths longer than x-rays and shorter than visible light.
Ultraviolet radiation
A simple machine used to hold objects together. The structure of a screw consists of an inclined plane wrapped
around a cylinder.
Screw
An Italian polymath during the Renaissance. His innovations include the aerial screw, which is
similar to the structure of today’s helicopters.
Leonardo da Vinci
This unit measures the bending of light as it passes through another medium.
Refractive index
What are the four fundamental states of matter
liquid, solid, gas, and plasma.
A type of matter whose properties are opposite of the properties of normal atoms.
Antimatter
The number of protons that an atom contains in its nucleus.
Atomic number
A state of matter that consists of a high concentration of charged particles.
Plasma
The measure of a system’s disorder. All systems tend toward entropy, according to the Second Law of
Thermodynamics.
Entropy
Hoover Dam produces what type of power?
Hydroelectric
Which of these animals is an example of an invertebrate? Eagle, Iguana, Honeybee, Gorilla?
Honeybee
What term in classical physics describes any substance that has mass and takes up space
Matter
The ability of an object to float in a fluid is known by what term?
Buoyancy
The branch of physics that studies light and its properties is known as what?
Optics
The branch of science that deals with the fundamental structure of matter, its behavior in
space and time, as well as energy and force.
Physics
The product of the linear dimension and flow speed is divided by this quantity to give
the Reynolds number. This quantity’s kinematic form is equal to its dynamic form divided by
the density of the fluid. For the point, name this quantity, a measure of a fluid’s internal
resistance to flow.
Viscosity
A possible test of this technology was known as the Vela Incident. Tests of this
technology include Smiling Buddha and Castle Bravo, and the presence of these weapons in Cuba triggered a 1962 diplomatic crisis. For the point, name this military weapon that uses a fission reaction to create an explosion.
Nuclear weapon or Atom Bomb or A-Bomb
This force can be found by taking the product of its direction with the dot product of the unit vector and the Cauchy stress tensor. For a ramp with an angle of
inclination theta, the magnitude of this force is equal to mg cosine theta. This force prevents a book perched on a table from sinking through it. For the point, name this force produced by a contact surface perpendicular to itself.
Normal force
The transfer of these particles is the central mechanism of redox reactions. A Lewis acid is defined by its ability to form a covalent bond with one of these particles. The addition of these particles can lead to the formation of an anion. These particles form a namesake “cloud” composed of orbitals. For the point, name these subatomic particles with a negative charge.
Electrons
Objects that exceed this quantity emit Cherenkov radiation. Velocity divided by this quantity equals relativistic beta, which is found in the denominator of the Lorentz factor. This value is constant in all inertial reference frames according to Einstein’s theory of special relativity. For the point, name this quantity symbolized “c” which is about 300 million meters per second and represents the maximum speed at which objects can travel.
Speed of light
For humans, the longest wavelength cone primarily sees this color, and cells named
after this color are called erythrocytes. Although they can vary greatly, algal blooms are sometimes called “tides” of this color. The first stage of a bruise is usually this color and inflammation can cause skin to turn this color. The iron atom in hemoglobin causes, for the point, mammalian blood cells to take on what namesake color?
Red
A semi-empirical formula for this quantity named for Bethe [[BEH-tuh]] and
Weizsäcker [[VAIT-seh-kuh]] can also be used to calculate nuclear binding energy using its namesake “defect.” The Higgs boson gives particles this property, which also equals energy divided by the speed of light squared according to a formula proposed by Albert Einstein. For the point, name this quantity symbolized “m” and measured in kilograms.
Mass
For a wire, this quantity varies inversely with cross-sectional area and directly with length. The inverse of this quantity is measured in siemens [SEE
mens] and is called conductance. The ideal
circuit component related to this quantity is represented by a zigzag on a circuit diagram. This quantity is measured in ohms. For the point, name this quantity that describes how much a device opposes electric flow.
electrical resistance
In 2016, the project LIGO reported the detection of waves of this force. General relativity states that this force is responsible for the curvature of spacetime. Of all four fundamental forces, this is the weakest. Newton formed a universal inverse-square law for this force, which produces an acceleration
of 9.8 meters per second on Earth’s surface. For the point, name this force described by constants big G
and small g, the attraction between two masses.
Gravity
This force is described by Amontons law and is proportional to the normal force on an object. Drag is the aerodynamic equivalent of this force which comes in static and kinetic forms. This force often
opposes change in motion and can be reduced with lubricants. For the point, name this resistive force, that generates heat when you rub your hands together.
Friction
In quantum mechanics, the Hamiltonian operator describes the total sum of this property for a system. The first law of thermodynamics holds that this property is always conserved. This property
is measured in Joules and is defined as the ability for a system to do work. Coming in kinetic and potential forms is, for the point, what property that gives a material the ability to move?
Energy
The positive displacement type of these devices continuously trap and move small
amounts of fluids. The diaphragm type of these devices alternates fluid motion between two chambers separated by a flexible rubber seal. Pressure is reduced in the vacuum type of these devices, and reciprocal examples of these devices power hand-operated wells. For the point,
name these devices used to inflate tires.
Pump
Archimedes explained this natural phenomenon using the center of mass of a triangle. Vitruvius explained this naturally occurring phenomenon by publishing De Architectura, and
Galileo Galilei apocryphally demonstrated this natural phenomenon by dropping two balls from the same height. For the point, name this natural force that explains why objects fall.
Gravity
This quantity is the time integral of the impulse, and Coulomb’s law states that one type of this quantity between two objects is inversely proportional to their distance squared. This vector quantity is equal to mass times acceleration, according to Newton’s second law of
motion. For the point, name this vector quantity, examples of which include pushes and pulls.
Force
This scientist proposed the parton model of hadrons and the path integral
formulation of quantum mechanics. (+) Constructs named for this scientist can be
used to visualize scattering processes. This scientist’s Lectures on Physics is one of the
most popular (*) science books ever written. For the points, name this Caltech physicist whose namesake “diagrams” represent the motion of particles.
Feynman
This many bonding pairs of electrons are found in molecules with a seesaw
geometry. This (+) is the atomic number of the lightest element in emerald. One
molecule of hydrogen peroxide contains this many total atoms. Methane contains this many (*) hydrogen atoms. For the points, how many bonds can carbon form, which is also its number of valence electrons?
Four
One experiment testing this theory measured gamma rays emitted from an
iron sample placed in a loudspeaker cone, and was performed by Pound and Rebka.
The equivalence (+) principle relates two forms of mass in this theory, which is also
described by a set of field equations that contained the cosmological constant. Gravity is explained by the curvature of (*) space-time in, for the points, what theory proposed by Einstein with a “special” counterpart?
General Relativity
This quantity that appears in the Fresnel number can be computed using the
formula “h over mc”. Radio waves are the weakest form of electromagnetic (+)
radiation because they have the highest value for this quantity, which is measured by the distance between adjacent troughs. On a visible light spectrum, the color green
has a value ranging between (*) 495 to 570 nanometers for, for the points, what quantity that describes the horizontal distance between two peaks of a wave, symbolized lambda?
Wavelength
Planck’s constant over this quantity is equal to the de Broglie [[deh BROY]]
wavelength of a particle. The net change in this quantity is equal to impulse, while the
rate of change of this quantity is equal to (+) force. This quantity, whose SI unit is
equivalent to the newton-second, changes equally to the net force acting on it,
according to Newton’s Second (*) Law of Motion. For the points, what quantity is equal to mass times velocity, denoted as the letter “p”?
Momentum
When photons from this specific phenomenon enter galactic clusters, they
undergo inverse Compton scattering. The WMAP (+) and COBE probes studied the
anisotropies of this phenomenon, which was discovered at Bell Labs and has a
temperature of about 2.7 Kelvin. Evidence for the Big (*) Bang is given by, for the
points, what black-body radiation that permeates the whole universe and has a frequency between radio and infrared?
Cosmic Microwave Background (CMB) Radiation
Under special relativity, this law is implied by the general form of the first law
of thermodynamics and Albert Einstein’s formula “E equals m c squared.” With (+)
the laws of definite and multiple proportions, this law underlies the principles of stoichiometry [[stoy-kee-YAH-meh-tree]], which is used to balance chemical reactions. Antoine (*) Lavoisier discovered, for the points, what law that states that matter can neither be created nor destroyed?
Law of Conservation of Mass
ITU-R 468 weighting and A-weighting are commonly used to measure a type of
this phenomenon. The thermal excitation of (+) electrons causes a type of this
phenomenon known as its Johnson-Nyquist variety. A type of this phenomenon is given as the ratio of signal power to its power and adds error to electronic signals. A constant (*) power spectral density defines the “white” type of, for the points, what unwanted disturbance of an electrical signal.
Noise
The geometric mean theorem relates the length of one of these segments in a
triangle to the lengths of the segments it creates. The inverse (+) Pythagorean
theorem relates the length of these segments. These segments of a triangle coincide at its orthocenter. The area of a triangle can be calculated by multiplying one-half (*) times a base times one of these segments. For the points, name these segments drawn from a vertex and perpendicular to the opposite side.
Triangle altitude
This phenomenon is responsible for the Ekman spiral, and its vertical
analogue is known as the Eötvös [[OHT-vohs]] effect. The National (+) Geographic
tested this phenomenon in an experiment where a person throws a ball to the person in front of them while on a roundabout. Contrary to popular opinion, this effect does not have an impact on the direction of toilet (*) flushing in different hemispheres. For the points, name this effect that deflects objects while rotating, an effect caused by a fictitious namesake force.
Coriolis Effect
This process and its terminology is still commonly used despite our advances
in the understanding of the quantum-mechanical (+) nature of the atom. This process, developed under the Bohr model of the atom, has to do with the arrangement of certain particles into their (*) energy sublevels. For the points, name this process of summarizing and arranging electrons into their orbitals, governed by concepts such as the Aufbau principle.
Electron Configuration
Marian Smoluchowski proposed a theoretical perpetual motion machine
powered by this process called its namesake “ratchet”. In mathematics, this
phenomenon is modeled by the Wiener (+) Process, a stochastic one-dimensional
model of it. This phenomenon was the subject of the second of Albert Einstein’s Annus Mirabilis papers, and was first observed by its namesake in (*) pollen grains in water. For the points, name this random movement of particles in a fluid.
Brownian motion
After this scientist became the first to isolate benzene, he became the first
Fullerian Professor of Chemistry at the Royal (+) Institution. With his ice pail
experiment, this chemist and physicist developed an enclosure wherein
electromagnetic fields (*) are blocked. For the points, name this inventor of the
homopolar generator who developed a namesake law on electromagnetic induction.
Michael Faraday (accept Faraday’s Law of Induction)
This phenomenon can be applied to current meters to measure water current
velocities. In medicine, this effect can help assess the direction of blood flow and the
velocity of blood and cardiac tissue in an (+) echo-cardiogram, and when applied to
astronomy, the relativistic form of this effect can utilize electromagnetic waves to
detect the rotational speed of stars and (*) galaxies. For the points, name this effect, the change in the frequency of waves in relation to an observer.
Doppler Effect
Gauss’s law can be proven from this equation if the superposition principle is
fulfilled. A constant in this inverse-square law is equal to one over four pi times the
permittivity of (+) free space. That constant used in this law is approximately equal to
8.988 x 10^9. The electrostatic interaction between two point (*) charges can be
described by, for the points, what law that relates force to the product of k, q1, and q2 all over r-squared, named after a French physicist?
Coulomb’s Law
A model generalizing this phenomenon was solved in two dimensions by Lars
Onsager as a lattice of interacting plus-one and minus-one spins; that model is the (+)
Ising model. This property persists even after a change in the applied field due to its hysteresis. Materials lose this property if heated past the Curie (*) temperature. For the points, name this form of magnetism exhibited by nickel, cobalt, and its namesake, iron.
ferromagnetism
One form of this law is joined with Faraday’s law to give an induction equation for ideal MHD. Another form of this law states that current density equals sigma times electric (+) field. At low forward bias, this law does not apply to diodes, and the drops calculated by this law add to zero, according to (*) Kirchhoff’s loop rule. For the
points, name this law that states voltage equals current times resistance.
Ohm’s Law
Methods that measure this quantity include the concentric cylinder geometry,
which consists of a spindle, inner bob, and an outer cup and a similar apparatus that
consists of a spindle, (+) cone, and plate. Air has the lowest value of the absolute type of this quantity while glass has the highest value. Glycerol has the value of (*) 1 Newton-second per square meter in, for the points, what quantity that comes in the
dynamic and kinematic types and describes a fluid’s resistance to flow?
Viscosity
This force transforms charge in the tribo-electric effect, and can be depicted in
Amontons Law, which states that this force is directly proportional to the applied load. The strength of this force is proportional to the normal force and can be related by a namesake coefficient symbolized mu [[MYOO]]. For the point, name this force that comes in static and kinetic forms and opposes the change in motion.
Friction
At very low Reynolds numbers, the magnitude of this force on a spherical object is proportional to fluid velocity according to Stokes’ law. Gravity balances this upward-acting force when a falling object reaches terminal velocity. For the point, name this force that opposes the motion of an object through a fluid.
drag force
In practical experimentation, this effect illustrates that the removal of negatively
charged particles from a material surface occurs only when incident rays of light exceed a certain frequency regardless of change in intensity. Albert Einstein used this effect to explain the particle nature of light. For the point, name this phenomenon in which light emits electrons when hitting certain materials.
Photoelectric Effect
This system was developed at the same time as GLONASS, which suffered from
incomplete coverage. Lockheed Martin designed objects as part of Block Three, which enable this system to work. The time of transmission and time of arrival are broadcast by this system’s satellites. The United States Space Force operates, for the point, what system that allows users to navigate the globe?
GPS
Two different types of this quantity are equated in Einstein’s equivalence principle. This quantity is zero for particles such as photons and gluons, and the gravitational force between two bodies is proportional to the product of this quantity for both. For the point,
name this quantity measured in kilograms.
Mass
The total sum of this quantity flowing into a node must equal the total sum of this
quantity flowing out of it, according to Kirchhoff’s junction rule. Electrical power is the product of voltage and this quantity. For the point, name this quantity, equal to voltage over resistance by Ohm’s law.
Electric Current
The sum of all values of this quantity in a circuit is governed by Kirchhoff’s loop rule.
This quantity is produced across a conductor in the Hall effect. Power equals this quantity times current. For a capacitor, charge is equal to capacitance times this quantity, and it is equal to current times resistance in Ohm’s law. For the point, name this quantity, the difference in electric potential between two points, symbolized V.
Voltage
This man tried to calculate the number of sand grains that could fit in the universe
in The Sand Reckoner. His namesake principle states that the weight displaced by an object in a fluid equals the buoyant force on it. For the point, name this Greek mathematician from Syracuse notable for shouting “Eureka!”
Archimedes
One form of this quantity can be calculated from enthalpy and temperature by the Clausius-Clapeyron equation, that is the “vapor” form. Amonton’s law correlates this quantity with temperature. Dalton’s law equates the sum of the “partial” forms of this
quantity to the “total” form in a system. For the point, name this quantity measured in pascals, the force per unit area.
Pressure
Hideki Yukawa proposed that this force existed due to the pion. This force binds
quarks together to form hadrons, and it also keeps hadrons together in atomic nuclei. For the point, name this fundamental force responsible for keeping protons and neutrons
together in the nucleus.
Strong Force
Unlike their antiparticle, these particles have left-handed chirality [[KYE-rah-lih
tee]], as well as a neutron and positron. These particles are emitted during beta decay, and these fermions come in flavors that corresponds to leptons such as the electron, muon, and tau. For the point, name these nearly massless particles that interact via the weak force.
Neutrino
One of these devices was used to cool rubidium atoms into the first Bose-Einstein
condensate. In the three-level type of these devices, pumping is used to energize the gain medium until it reaches a state of population inversion. Stimulated emission produces a coherent beam of very focused light in, for the point, what devices often found in barcode scanners and printers?
Lasers
The time-independent form of an equation named for this man is written as “H psi
equals E psi”. This man critiqued the Copenhagen interpretation by proposing a situation in which a radioactive source causes a hammer to break open a flask of poison. A thought experiment about a cat that is simultaneously alive and dead was proposed by, for the point, what Austrian physicist?
Erwin Schrödinger
Electrically-powered types of these objects operate when the object’s magnetic field
and its electric current in a wire generate torque to be applied on the object’s shaft.
Mechanically, these objects typically consist of a stator, commutator, windings, and a rotor supported by bearings. For the point, name this family of machines designed to convert forms of energy into mechanical energy.
Motor (or Engine)
The opposite of this word names a type of “deep scattering” that gave evidence for
the existence of quarks. Young’s modulus is also named for this property of a material. According to kinetic molecular theory, gas particles undergo collisions described by this term where the total kinetic energy remains the same. For the point, what term describes materials like rubber that return to their original shape after a deformation?
elastic
This person analyzed samples of pitchblende and torbernite in experiments that led her to win the Nobel Prize in Chemistry in 1911. Also the winner of the 1903 Nobel Prize in Physics, this is, for the point, what Polish-French scientist who discovered polonium and radium, and conducted research on radioactivity with her husband, Pierre?
Marie Curie
The gravitational definition of this quantity states it is the equivalent of an object’s
mass multiplied by its gravitational acceleration, whereas the operational definition states this quantity is equivalent to the amount of force exerted by an object. The newton is the SI unit that measures, for the point, what quantity, commonly measured in the U.S. in pounds?
Weight
The motion of these devices is described using the small angle approximation of
“sine theta equals theta”. A system with two of these devices attached end-to-end exhibits chaotic behavior. Foucault [[foo-KOH]] demonstrated the rotation of the Earth using one of these devices, which is also a simple harmonic oscillator. For the point, name these devices that consist of a mass hanging on a string.
pendulum
This particle’s interaction with other elementary particles can be observed through Raman scattering. In the Standard Model, this hadron is categorized as having electroweak interactions, and this particle is unified with the W and Z gauge bosons. For the point, name these massless elementary particles symbolized by the Greek letter gamma, the quanta of
the electromagnetic field, and more specifically light.
Photon
This quantity’s phase type is described as the rate at which a wave propagates in a
medium. The time derivative of this quantity is acceleration, and the unit of this quantity is usually expressed in meters per second. Displacement divided by time equals, for the point, what vector quantity that consists of both speed and direction, denoted as “v”?
Velocity
In a wheel and axle system with equal wheel and axle mass, this quantity for
the wheel is equal to mass times radius squared. For a belt and pulley system, this
quantity is equal to the (+) axial force on the belt multiplied by the radius of the drive pulley. This quantity, symbolized tau, is the time derivative of angular (*) momentum. For the point, name this rotational analogue of linear force
Torque
This type of radiation creates free radicals by reacting with CFCs, which can
damage the ozone layer. This kind of radiation creates vitamin D from ergosterol [[er-GAH-steh-rol]] and (+) 7-dehydrocholesterol [[dee-hy-dro-“cholesterol”]]. The primary cause of sunburns, for the point, what is this type of electromagnetic radiation which has wavelengths longer than x-rays, but shorter than visible light?
Ultraviolet Radiation
A type of crystallography using this radiation was used by Rosalind Franklin to
take a photo of the structure of DNA. The discovery of this type of (+) radiation earned Wilhelm Röntgen [[RENT-gen]] a Nobel Prize in Physics. With a lower frequency than gamma rays, for the point, what is this type of radiation which can be used to image bones?
X-rays
For an ideal block and tackle setup, this quantity is equal to the number of
rope sections supporting the block. For a wedge, this quantity is inversely
proportional to the wedge’s slope. This quantity (+) is demonstrated by the law of the lever, which relates opposing weights and arm length. Used to measure the
effectiveness of simple (*) machines, for the point, what is this output force to input force?
Mechanical Advantage
Chiral [[KY-rull]] symmetry breaking and asymptotic [[AY-simp-TAH-tik]]
freedom are among the properties of the quantum chromodynamics theory of this
force, which confines smaller particles into hadrons. This force, whose magnitude
increases with distance, is mediated by gluons. Binding together neutrons and
protons in the (*) nucleus, for the point, what is this fundamental force which is much more powerful than the weak force?
Strong Nuclear Force
For an object to be in static equilibrium, this force’s metacenter must be above
the center of gravity. This force, which equals density times gravity times volume, is opposed by the hydrostatic pressure gradient. This force equals the weight of the fluid that is displaced according to the Archimedes principle. Objects float in liquid due to, for the point, what force?
Buoyant force
In their simplest form, these devices possess a vertical portion, the gnomon
[[NOH-mon]], and a horizontal portion, the style. Along with specialized candles and water (+) drip clocks, these were among the earliest devices to mark the time of day. The position of shadows is (*) used in, for the point, what devices that determine the time?
Sundial
A loop example of these materials is called a Josephson junction. Throughthe
Meissner effect, these materials expel magnetic field lines. The BCS theory of these materials posits that phonons (+) mediate the binding of electrons into Cooper pairs. Lacking electrical (*) resistance, for the point, what are these materials with a “high temperature” variety?
Superconductor
Torque is equal to the moment of inertia multiplied by the tangential form of
this quantity. In general relativity, it is impossible to distinguish between (+) forces caused by gravity and this quantity. Often measured in units per (*) meter squared, for the point, what is this quantity measuring rate of change in velocity?
Acceleration
The cantilevered type of these objects are supported only from one end. One
common type of these objects has two horizontal flanges[[FLAN-jeez]] connected by a vertical web, known as the “I” type of these objects. Having much greater length
than width, for the point, what are these fundamental structural components?
Beam
By firing a gun into the ballistic variety of these devices, the momentum of a
bullet can be found. A classical example of a chaotic system is the double variety of
these devices. The ideal form of these devices consists of a weighted bob at the
end of a massless rod. Swinging to keep time in grandfather clocks, for the point, what are these devices?
Pendulum
Along with ambient visible light, this is the primary radiation converted into
electrons in night vision goggles. This radiation names a form of spectroscopy that measures a(+)molecule’s vibrational transition. This radiation has wavelengths from 700 millimeters to 1 centimeter. Including wavelengths longer than that of visible light, (*) for the point, what is this radiation range?
Infrared light
