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Physics > Physics Formulas > Flashcards

Physics Formulas Flashcards

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Physics 101 flashcards AP® Physics flashcards
1
Q

Velocity Equation

A
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2
Q

Position Equation

A
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3
Q

No Time Equation

A
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4
Q

Net Force Equation

A
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5
Q

Centripetal Acceleration Equation

A
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6
Q

Torque Equation

A
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7
Q

Momentum Equation

A
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8
Q

Impulse Equation

A

J = Impulse

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9
Q

Kinetic Energy Equation

A
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10
Q

Potential Energy Equation

A

Ug = Gravitational Potential Energy

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11
Q

Work Equation

A

r = Radius or Distance

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12
Q

Power Equation (Mechanics)

A
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13
Q

Acceleration Equation

A

a = change in velocity / t = (vf - v0) / t

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14
Q

No Acceleration Equation

A

x = ½ (vf + v0)t

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15
Q

What is given during the horizontal motion of a projectile?

A

ax = 0

Constant Velocity

vfx = xx / t

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16
Q

What is given during the vertical motion of a projectile?

A

ay (g) = 10 m/s2

vfy = v0y + gt

xy = v0yt + ½gt2

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17
Q

Coeficient of static and kinetic friction Equation

A
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18
Q

The speed of an object moving in a circle

A

v = circumference/period

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19
Q

What is period?

A

Time it takes to make one revolution (T)

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20
Q

What is frequency?

Units?

A

The number of revolutions per unit time measured in hertz

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21
Q

What is the relationship between period and frequency?

A

T = 1 / f

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22
Q

Angular momentum formula

A

L = mvr

L = angular momentum

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23
Q

What is the lowest point in the swing of a pendulum called?

A

Equilibrium Position

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24
Q

Hooke’s Law

Finding the force of a spring

A

x = Stretched length of spring

k = Spring constant

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25
Q

Gravitational Force Equation

A
26
Q

Electric Force Equation

A
27
Q

Electric Field Equation

A
28
Q

Potential Difference Equation

A

Potential Difference = Work / q

29
Q

Electric Field, Voltage, and Distance Equation

A
30
Q

Voltage, Current, and Resistance Equation

A
31
Q

Power Equation (Electricity)

A
32
Q

Capacitance Equation

A
33
Q

Capacitance Proportional/inversly proportional to…

A
34
Q

Speed, Frequency, and Wavelength Equation

A
35
Q

Formula for force on a current-carrying wire in a magnetic field

A
36
Q

Formula for force on a charge moving through a magnetic field

A
37
Q

Speed of a wave in terms of frequency

A
38
Q

What is the speed of light?

A

c = 3x108m/s

39
Q

Frequency of light

A

f = speed of light / wavelength

40
Q

Index of refraction

A

n = c / vglass

41
Q

Snell’s Law of refraction

A

n1sin Ø1 = n2sin Ø2

42
Q

Magnification of a converging lens

A

M = di / do

43
Q

Celsius to Kelvin conversion

A

K = ºC + 273

44
Q

Heat absorbed or released as a result of a change in temperature

A

Q = mc∆t

c = specific heat of a substance

45
Q

Phase change heat equation

A

Q = mL

L = heat of transformation

46
Q

Thermodynamics internal energy equation

A

∆U = Q - W

∆ U = internal energy

Q = heat added to a system

W is positive when work is done ON a system

47
Q

Heat engine percent efficiency equation

A

%e =(work / Qinput heat) x 100

48
Q

Relationship between pressure, volume and temperature

A
49
Q

Isothermic means…

(Boyle’s Law)

A

Temperature remains constant

50
Q

Isochoric means…

A

Volume remains constant

51
Q

Isobaric means…

(Charle’s Law)

A

Pressure remains constant

52
Q

Planck’s Constant

A

h = 6.63 x 10-34J s

53
Q

Equation for energy of a photon

A

E = hf

or, since f = c / λ,

E = hc / λ

54
Q

Momentum of a photon

A

p = h / λ

55
Q

Wavelength of a moving particle

A

λ = h / mv

56
Q

Alpha particle

A
57
Q

Beta particle

A
58
Q

Proton

A
59
Q

Neutron

A
60
Q

Electron

A
61
Q

Equation that links energy to mass

A

E = mc2

Physics (2 decks)

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