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ABCTE General Science Test > Physics > Flashcards

Physics Flashcards

1
Q

Longitudinal Waves

A

Move the medium back and forth with no net change in position of the medium

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2
Q

Transverse Waves

A

Move the medium perpendicular to the wave movement with no net change in position of the medium
waves on a string, vibrating guitar string, s-waves of an earthquake

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3
Q

How are the weight of an object and the displacement of water related?

A

The weight of the object is equal to the weight of the fluid displaced.

E.g. To find the weight of an object determine the volume of water displaced and convert it to mass using the density of water and then weight by multiplying the mass of the water times the force of gravity.

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4
Q

Mechanical waves
(two types)

A

Longitudinal, Transverse

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5
Q

What medium(s) can longitudinal waves travel through?

A

Solids, liquids, or gasses
They cannot travel through a vacuum
Example: sound waves

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6
Q

What medium(s) can transverse waves travel through?

A

Solids only

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7
Q

Volt (definition)

A

electric potential, electromotive force

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8
Q

Volt (units)

A

Joules / Coulomb
(J/C)
(kg*m^2/s)

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9
Q

Electrical Capacitance (unit)

A

Coulomb / volt
(C/V)

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10
Q

Coulomb (definition)

A

quantity of electrical charge

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11
Q

Coulomb (units)

A

Amperes / seconds
Amps * s^-1

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12
Q

Ohm (definition)

A

electrical resistance, impedance, reactance

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13
Q

Ohm (units)

A

Volts/amp
(V/A)

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14
Q

Ohms Law formula
(Voltage, Resistance, and Current)

A

V = IR
Volt = (Current)(Resistance)

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15
Q

Joule (Definition, two units)

A

energy, heat, work
Kg*(m^2 / s^2)
N * m

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16
Q

Watt (definition)

A

power

a unit of power that measures the rate at which energy is produced, consumed, or transferred over a unit of time.

17
Q

Watt (unit)

A

Joules per second
(J/sec)

18
Q

Pressure (unit two)

A

Pascal
Newtons / m^2

19
Q

wave formula
velocity, frequency, and wavelength

A

velocity = frequency * wavelength

20
Q

Electrical Capacitance (definition)

A

The ability of an object to store electrical charge measured in Farads

ABCTE General Science Test (3 decks)

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