Flashcards in Physics Deck (76):

1

## Speed, distance, time

### Speed = distance/time

2

## Velocity, displacement, time

### Velocity = displacement/time

3

## Acceleration, velocity, time

### Acceleration = delta(velocity)/time

4

## Displacement, initial displacement, initial velocity, time, acceleration

### x = x0 + v0*t + (1/2)a*t^2

5

## Velocity, initial velocity, acceleration, time

### v = v0 + at

6

## Velocity, initial velocity, acceleration, displacement

### v^2 = v0^2 + 2a*x

7

## Force, mass, acceleration

### F = ma

8

## Force, gravitation constant, mass, radius

### F = G(m1m2/r^2)

9

## G (gravitation constant)

### 6.67 * 10^-11

10

## Net force of inclined plane

### mgsin(theta)

11

## Centripetal acceleration, velocity, radius

### ac = v^2/r

12

## Centripetal force, mass, velocity, radius

### Fc = (mv^2)/r

13

## Static friction, coefficient of friction, force

### fs

14

## Kinetic friction, coefficient of friction, force

### fk = MUk*Fn

15

## Work, force, distance

### W = Fd

16

## Force, spring constant, change in position

### F = -kx

17

## Torque, force, length

### T = Fl

18

## Kinetic energy, mass, velocity

### K = 1/2mv^2

19

## Gravitational potential energy, mass, acceleration, height

### Ug = mgh

20

## Elastic potential energy, spring constant, displacement

### Ue = 1/2kx^2

21

## Work, force, distance

### W = Fdcos(theta)

22

## Work, kinetic energy, potential energy, frictional energy

### W = delta(K) + delta(U) + delta (E)

23

## Power, energy change, time

### P = delta(E)/t

24

## Instantaneous power, force, velocity

### P = Fvcos(theta)

25

## Momentum, mass, velocity

### p = mv

26

## Elastic collisions

### Ui + Ki = Uf + Kf

27

## Inelastic collisions

### pi = pf, Ki = Kf

28

## Impulse, momentum

### J = delta(p)

29

## Mass, velocity, force, time

### delta(mv) = F(avg)delta(t)

30

## Alpha decay

###
4 alpha

2

31

## Beta decay

###
0 e

-1

32

## Positron emission

###
0 e

1

33

## Gamma ray

###
0 gamma

0

34

## Rest mass energy, mass, speed of light

### E = mc^2

35

## Density, mass volume

### p = m/V

36

## Fluid pressure, force, area

### P = F/A

37

## Specific gravity

### SG = psubstance/pwater

38

## Fluid pressure, density, gravitational constant, height

### P = pgy

39

## Buoyant force

### Fb = pVg

40

## Flow rate, area, velocity

### Q = Av

41

## Bernoulli equation

### K = P + pgh + 1/2pv^2

42

## Fluid velocity, gravitational constant, height

### v = sqrt(2gh)

43

## Modulus of elasticity

### stress/strain

44

## Velocity, frequency, wavelength

### v = f*lambda

45

## Period, frequency

### T = 1/f

46

## Decibel

### Beta = 10*log(I/Io)

47

## Beat frequency

### fbeat = |f1-f2|

48

## Harmonic for closed system

###
L = (n*lambda)/2

*n = 1, 2, 3...

49

## Harmonic for one open system

###
L = (n*lambda)/4

*n = 1, 3, 5...

50

## Angular frequency, spring constant, mass (pendulum)

### w = sqrt(k/m)

51

## Angular frequency, gravitational constant, length of string (pendulum)

### w = sqrt(g/L)

52

## Doppler effect, frequency

### (delta f / fs) = v/c

53

## Doppler effect, wavelength

### (delta lambda / lambda s) = v/c

54

## Force, coulomb constant, charge, radius (point charge)

### F = (kq1q2)/r^2

55

## Energy, coulomb constant, charge, radius (point charge)

### E = (k*q1)/r^2

56

## Potential energy, coulomb constant, charge, radius (point charge)

### U = (kq1q2)/r

57

## Voltage, coulomb constant, charge, radius (point charge)

### V = (kq1)/r

58

## Force, energy, charge (constant electric field)

### F = Eq

59

## Voltage, Energy, distance (constant electric field)

### V = Ed

60

## Potential energy, energy, distance (constant electric field)

### U = qEd

61

## Potential energy, voltage, charge (constant electric field)

### U = Vq

62

## Voltage, current, resistance

### V = iR

63

## Resistors in series

### Reff = R1 +R2 + ...

64

## Resistors in parallel

### (1/Reff) = (1/R1) + (1/R2) + ...

65

## Capacitance, charge, voltage

### C = Q/V

66

## Power, current, voltage

### P = iV

67

## Power, current, resistance

### P = i^2*R

68

## Power, voltage, resistance

### P = V^2/R

69

## Capacitors in series

### (1/Ceff) = (1/C1) + (1/C2) + ...

70

## Capacitor in parallel

### Ceff = C1 + C2 + ...

71

## Potential energy, charge, voltage

### U = 1/2 QV

72

## Potential energy, charge, capacitance

### U = 1/2 Q^2/C

73

## Potential energy, capacitance, voltage

### U = 1/2 CV^2

74

## Alternating current, Vmax

### Vmax = sqrt(2)*Vrms

75

## Alternating current, imax

### sqrt(2) irms

76