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Physics A level > Physic equations > Flashcards

Physic equations Flashcards

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1
Q

What links SUVT?

A

s = (u+v)t/2

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2
Q

What links UVAT?

A

V = u +at

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3
Q

What links SUAT?

A

S = ut +1/2at^2

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4
Q

What links SUVA?

A

V^2 = u^2 + 2as

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5
Q

What equations link force, mass and acceleration

A

F = ma

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6
Q

What links gravitational strength, force and mass?

A

g = F/m

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7
Q

What links weight, mass and gravitational strength?

A

W =mg

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8
Q

What links moments, force and distance?

A

Moment of force = Force x perp. distance from pivot

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9
Q

What links momentum, mass and velocity/

A

Momentum = mv

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10
Q

What links work done, force and displacment?

A

W = Fs

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11
Q

What links Ke, mass and velocity?

A

Ke = 1/2 mv^2

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12
Q

What links GPE, mass, gravitational strength and height?

A

GPE = mgh

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13
Q

What links power, energy and time?

A

P = E/t

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14
Q

What links power, work and time?

A

P = W/t

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15
Q

What links voltage, energy and charge?

A

V = E/Q - definition of voltage

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16
Q

What links resistance, voltage and current?

A

R = V/I - definition of resistance

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17
Q

What links power, voltage and current?

A

P = IV

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18
Q

What links power, current and resistance?

A

P = I^2R

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19
Q

What links power, voltage and resistance?

A

P = V^2/R

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20
Q

What links energy and work/

A

E = W

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21
Q

What links energy, current, time and voltage?

A

E = ItV

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22
Q

What links resistance, resistivity, current and area?

A

R = ρL/A

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23
Q

What links current, charge and time?

A

I = Q/t - definition of current

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24
Q

What links current, charge density, charge, drift velocity and area?

A

I = nAve

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25
Q

What links density, mass and volume?

A

ρ = m/v

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26
Q

What links force, viscosity, radius and velocity

A

F = 6πηrv - Stoke’s law

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27
Q

What links force, spring constant and extension?

A

F = kx - Hooke’s law

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28
Q

What links efficiency and energy?

A

Efficiency = useful E output/total E input x 100

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29
Q

What links efficiency and power?

A

Efficiency = useful Power output/total Power input x 100

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30
Q

What links pressure, force and area?

A

P = F/A

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31
Q

What links young modulus, stress and strain?

A

E = σ/ε

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32
Q

What links stress, force and area?

A

σ = F/A

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33
Q

What links strain, extension and length?

A

ε = x/L

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34
Q

What links elastic strain energy, force and extension?

A

E = 1/2Fx

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35
Q

What links elastic strain energy, spring constant and extension?

A

E = 1/2kx^2

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36
Q

What links wave speed, wavelength and frequency?

A

v = f λ

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37
Q

What links speed of wave of transverse wave on a string, tension and unit length?

A

v = √(T/μ)

38
Q

What intensity, power and area?

A

I = P/A

39
Q

What links power and focal length?

A

P = 1/f

40
Q

What links power of multiple lens’?

A

PT= P1 + P2 + P3

41
Q

What links object distance, image distance and focal length/

A

1/u + 1/v = 1/f

42
Q

What links magnification, image height and object height?

A

magnification = Image height/Object height m =v/u

43
Q

What links the distance between slits, wavelength and the angle from the normal?

A

nλ = dsinθ

44
Q

What links refractive index of two substnaces?

A

n1sinθ1 = n2sinθ2

45
Q

What links refractive index, speed of light and speed in substance?

A

n = c/v

46
Q

What links critical angle and refractive index?

A

n = 1/sinC

47
Q

What links energy, planck’s constant and frequency?

A

E = hf

48
Q

What links planck’s constant, frequency, work function and Ke

A

hf = Φ + Ke_max

49
Q

What links de broglie wavelength, planck’s constant and momentum

A

λ = h/p

50
Q

What links impulse, force, time and momentum?

A

Impulse = FΔt = Δp

51
Q

What links Ke, momentum and mass?

A

Ke = p^2/2m

52
Q

What links velocity, angular velocity and radius?

A

v = ωr

53
Q

What links time period and angular velocity?

A

ω = 2π/T

54
Q

What links force, mass, velocity and radius?

A

F = mv^2/r = ma

55
Q

What links acceleration, velocity and radius?

A

a = v^2/r

56
Q

What links acceleration, radius and angular velocity?

A

a = rω^2

57
Q

What links force, mass, radius and angular velocity?

A

F = mrω^2

58
Q

What links force, charges in the field and radius?

A

F = k QQ/r^2 - coloumb’s law

59
Q

What links Electric field strength, force and charge?

A

E = F/Q

60
Q

What links Electric field strength, charge and radius?

A

E = k Q/r^2

61
Q

What links electric potential, charge and radius?

A

V = k Q/r

62
Q

What links capacitance, voltage and charge?

A

Q = VC

63
Q

What links energy stored in a capacitor, charge and voltage?

A

W = 1/2QV

64
Q

What links energy stored in a capacitor, capacitance and voltage?

A

W = 1/2CV^2

65
Q

What links energy stored in a capacitor, charge and capacitance?

A

W = 1/2Q^2/C

66
Q

What links charge on a capacitor, initial charge, time, resistance and capacitance? Graphical rearrangement?

A

Q = Q0 e^-t/RC - capacitor discharge. lnQ = lnQ0 - t/RC

67
Q

What links current on a capacitor, initial current, time, resistance and capacitance? Graphical rearrangement?

A

I = I0 e^-t/RC. ln I = ln I0 - t/RC

68
Q

What links voltage on a capacitor, initial voltage, time, resistance and capacitance? Graphical rearrangement?

A

V =V0 e^-t/RC. ln V = ln V0 - t/RC

69
Q

What links force, magnetic flux density, current and length?

A

F = BiL sinθ

70
Q

What links force, magnetic flux density, charge and velocity?

A

F = Bqv sinθ

71
Q

What links magnetic flux, magnetic flux density and area?

A

Φ = BA cosθ

72
Q

What equation links emf, flux linkage and time?

A

ℰ = -d(NΦ)/dt

73
Q

What equation links energy, mass, specific heat capacity and temp change?

A

E = mcΔt

74
Q

What equation links energy, specific latent heat and mass?

A

E = LΔm

75
Q

What links Ke, mass, velocity

A

Ke = 1/2mv^2

76
Q

What links root mean squared voltage, peak voltage?

A

Vrms = Vpeak/√2

77
Q

What links root mean squared current and peak current

A

I rms = I peak/√2

78
Q

What links power, peak current, peak voltage?

A

Power = Vpeak/√2 x I peak/√2 = (Vpeak I peak)/2

79
Q

What links force, masses in a field, radius and gravitational constant?

A

F =Gmm/r^2

80
Q

What links gravitational field strength, gravitational constant, mass and radius?

A

g = Gm/r^2

81
Q

What links gravitational potential, gravitational constant, mass and radius?

A

Vgrav = -GM/r

82
Q

What links force, spring constant and distance?

A

F = -kx

83
Q

What links acceleration, angular velocity, displacement?

A

a = -ω^2x

84
Q

What links displacement, amplitude, angular velocity and time?

A

x = Acos ωt

85
Q

What links velocity, amplitude, angular velocity and time?

A

v = -Aω sin ωt

86
Q

What links acceleration, angular velocity, amplitude and time?

A

a = -Aω^2 cos ωt

87
Q

What links time period and frequency?

A

T = 1/f

88
Q

What links angular velocity, frequency?

A

ω = 2πf

89
Q

What links time period, mass and spring constant?

A

T = 2π √m/k

90
Q

What links Time period, length and g

A

T = 2π √l/g

91
Q

What links Amplitude, Wavelength and time?

A

A = A0 e^-λt

Physics A level (3 decks)

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