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X-RAY 110 > Unit 6 & 7 (Physics) > Flashcards

Unit 6 & 7 (Physics) Flashcards

1
Q

The study of interactions of matter and energy in all their diverse forms

A

physics

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2
Q

Anything that occupies space and has form or shape

A

matter

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3
Q

The constant quantity of matter within a physical oobject

A

mass

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4
Q

The term used to describe mass of an object in a gravitational field

A

weight

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5
Q

What are the 3 base quantities?

A

mass
length
time

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6
Q

What is defined as the distance from one end to another end

A

length

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7
Q

What is the standard unit of time

A

second (s)

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8
Q

The segment of physics that deals with the motion of objects

A

mechanics

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9
Q

Velocity can also be called ______

A

speed

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10
Q

What is the equation for velocity?

A

V=d/t (distance/time)

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11
Q

What is the rate of change of velocity with time

A

acceleration

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12
Q

What is the equation for acceleration?

A

A=Vf-Vo/t (final velocity-initial velocity) (divided by time)

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13
Q

The act, process, or state of changing place or position

A

motion

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14
Q

What law states “A body will remain at rest or continue to move with a constant velocity in a straight line unless acted on by an external force”?

A

Newton’s First Law: Inertia

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15
Q

What is the equation for force?

A

F=mXa (mass X acceleration)

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16
Q

What law states “For every action there is an equal and opposite reaction”?

A

Newton’s Third Law: Acion/Reaction

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17
Q

What is the acceleration of gravity on earth?

A

9.8 m/s2 (squared)

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18
Q

What is the acceleration of gravity on the moon?

A

1.6 m/s2(squared)

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19
Q

A force on a body caused by the downward pull of gravity on it

A

weight

20
Q

What is the equation for weight?

A

Wt = m X g (mass X acceleration of gravity)

21
Q

What is the equation for work?

A

W = f X d (force X distance)

22
Q

What is the ability to do work?

A

energy

23
Q

What is the energy to do work by virtue of position

A

potential energy

24
Q

What is energy in motion?

A

Kinetic energy

25
Q

What is the equation for potential energy?

A

PE = mgh (mass X acceleration of gravity X height)

26
Q

What is the equation for kinetic energy?

A

KE = 1/2 mv2 (mass X velocity squared)

27
Q

What is the type of energy found in an xray?

A

electromagnetic energy

28
Q

What are the 3 ways heat can be transferred?

A

conduction, convection & radiation

29
Q

How do you convert Celsius to Fahrenheit and Fahrenheit to Celsius?

A 
F = (9/5C) + 32
C= 5/9 (F-32)
30
Q

What is the smallest particle that has all the properties of an element?

A

atom

31
Q

What is the earliest reference to the term atom called?

A

Greek atom

32
Q

What type of atom do we still refer to today?

A

Bohr Atom

33
Q

What is the nucleus of an atom?

A

positively charged core in the center of the atom

34
Q

What charge do protons have?

A

+1

35
Q

What charge do electrons have?

A

-1

36
Q

What charge do neutrons have?

A

neutral

37
Q

What is the Z number?

A

atomic # / total number of protons

38
Q

What is the A number?

A

total # of protons and neutrons

39
Q

What do you calculate the electron limit per shell?

A

2(n)squared (2 X shell # squared)

*the letter K starts at 1 and each letter increases by 1

40
Q

What is an unstable atom, or an atom with an additional electron or an electron removed?

A

ionized atom

41
Q

What are atoms called that have the same # of protons but a different # of neutrons

A

an ison?otope

42
Q

What are radioactive atoms that have the same # of protons?

A

radioisotope

43
Q

Which radioactive decay process is a more violent process and could cause more harm to the body?

A

Alpha process

44
Q

What is particulate radiation?

A

Any subatomic particle capable of causing ionization

45
Q

What are the 2 forms of electromagnetic radiation?

A

x-rays and gamma rays

X-RAY 110 (13 decks)

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