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AP Physics Formulas

Instructions:

Answer 50 questions in 15 minutes.
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Match each statement with the correct term.
Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.

This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.

1. velocity of a charge traveling at a constant veloc ity through crossed E and B fields
(Di)/(Do) or (Hi)/(Ho)
(I^2)RT
E/B
(EMF)Rt/10

2. energy of a photon if wavelength is known
hc/wavelength
Columbs/second
(hc/wavelength)=h(Fo) +(Vs)
KQ/r

3. heat during an isometric process
n(Cv)(deltaT)
(EMF)Rt/10
L -LCostheta
mgCostheta(mu)d

4. formula for constructive interference in a diffraction grating
Ed=V
dSintheta=mwavelength
(Di)/(Do) or (Hi)/(Ho)
qE

5. type of collision where K is conserved
elastic collision
((Qin) -(Qout))/(Qin)
VI
V = (Vo) + at

6. voltage induced in a rod moving through a uniform magnetic field
(3/2)nRdeltaT
((Qin) -(Qout))/(Qin)
BLv
(1/Do) + (1/Di) = (1/f)

7. formula for buoyant force
.5KA^2
roeVg
-KA
(N2)/(N1)

8. pressure
n(Cv)(deltaT)
Columbs/second
F/A
qVB

9. change in internal energy during a cyclic process
0
(N2)/(N1)
M(Lf)
(EMF)Rt/10

10. formula for period of a pendulum
2Pi * sqrt(l/g)
mV -m(Vo)
no heat flow
1/2wavelength

11. formula equating energy and mass
inelastic collision
Q=CV
K |q||Q|/r^2
e=mc^2

12. EMF of a battery having internal resistance R
.5KA^2
(I^2)R
V+IR
elastic collision

13. focal length of a mirror with radius d
no temp change
h/wavelength
k|Q|/r^2
d/2

14. isothermal
no temp change
KQ/r
(hc/wavelength)=h(Fo) +(Vs)
k|Q|/r^2

15. velocity of waves on a string if tension is known
inelastic collision
mgCostheta(mu)d
sqrt(T/(m/))
E/B

16. formula for impulse involving momentum
h/wavelength
mV -m(Vo)
qV
no heat flow

17. formula for finding the work function of a metal if the cutoff frequency is known
mV -m(Vo)
hc/wavelength
h(Fo)
sqrt(3KT/m)

18. resistance of a wire
roegh
deltaU -deltaW
pL/A
(No)(wavelength)=(Nn)(new wavelength)

19. formula for energy of a spring mass when spring is at maximum displacement
.5KA^2
-KA
h/mv
qrB/m

20. type of collision where objects stick togerther
(hc/wavelength)=h(Fo) +(Vs)
.5KA^2
perfectly inelastic collision
qVB

21. formula for current through the resistor when the ten coils are removed from the B field in an amount of time t
sqrt(3KT/m)
(I^2)R
(EMF)Rt/10
constant pressure

22. formula for Carnot efficiency
sqrt(T/(m/))
KQ/r
((Th) -(Tl))/(Th)
roeVg

23. formula for the wavelength (debroglie wavelength) of a moving particle
sqrt(3KT/m)
h/mv
(No)(wavelength)=(Nn)(new wavelength)
constant pressure

24. formula for efficiency not using work out
h/mv
((Qin) -(Qout))/(Qin)
BLv
KI/r

25. force of friction
(N2)/(N1)
(Fn)(mu)
sqrt(3KT/m)
((Th) -(Tl))/(Th)

26. equation for the first law of thermodynamics
deltaU -deltaW
(N2)/(N1)
V+IR
deltaU = deltaQ + deltaW

27. formula for critical angle
(Wnet)/(Qin)
(I^2)R
(N2)/(N1)
GM*M/(r^2)

28. formula for energy of a spring mass when spring is neither at maximum displacement nor at equilibrium
(I^2)R
.5mV^2 + .5KA^2
BA
net work = delta K

29. the electric force between two objects of charge Q
V+IR
h/wavelength
K |q||Q|/r^2
AV=(A2)(V2)

30. first kinematic
0
(V^2)/R
AV=(A2)(V2)
V = (Vo) + at

31. the units of power other than watts
joules/second
sqrt(3KT/m)
.5KA^2
h/mv

32. formula for charge stored in a capciator
1/((1/C)+(1/C)..........)
deltaU -deltaW
Q=CV
h/wavelength

33. formula for finding the momentum of a photon
1/4wavelength
2nt=mwavelength
h/wavelength
GM*M/(r^2)

34. formula used to find the heat generated by a resistor after a certain amount of time if the current through the resistor is known
(EMF)Rt/10
(I^2)RT
e=mc^2
((Qin) -(Qout))/(Qin)

35. formula for efficiency of a heat engine using work out
sqrt(3KT/m)
(No)(wavelength)=(Nn)(new wavelength)
qV
(Wnet)/(Qin)

36. heat required to melt a substance
opposite motion
(1/Do) + (1/Di) = (1/f)
qV
M(Lf)

37. natural frequency of a closed tube of length L
.5mV^2 + .5KA^2
1/4wavelength
opposite motion
L -LCostheta

38. formula to find the absoluate pressure at the bottom of a pool
(Patm) + (Pgauge)
deltaU -deltaW
k|Q|/r^2
0

39. work energy theorum
AV=(A2)(V2)
net work = delta K
(3/2)nRdeltaT
1/2wavelength

40. formula for torque
rF
2nt=mwavelength
mgCostheta(mu)d
F/A

41. formula for impluse involving time
pL/A
J= Ft
1/((1/C)+(1/C)..........)
KQ/r

42. the units of current other than amps
((Th) -(Tl))/(Th)
Joules/Columb
Columbs/second
2Pi * sqrt(l/g)

43. adibatic
no heat flow
Joules/Columb
V = (Vo) + at
V+IR

44. formula for finding the stopping potential of a metal for a wavelength if the cutoff frequency is known
qV
(hc/wavelength)=h(Fo) +(Vs)
constant pressure
((Qin) -(Qout))/(Qin)

45. formula relating voltage and electric field
Ed=V
mgCostheta(mu)d
J= Ft
(1/Do) + (1/Di) = (1/f)

46. snells law
qrB/m
nSintheta=nsintheta
VI
deltaU -deltaW

47. new frequency of light as it enters a new substance
no force (right hand rule)
no temp change
.5mV^2 + .5KA^2
frequency never changes for light problems

48. formula for power with current and resistance
sqrt(T/(m/))
(I^2)R
0
1/2wavelength

49. the force on a charge in an electric field
1/2wavelength
mV -m(Vo)
qE
(hc/wavelength)=h(Fo) +(Vs)

50. hooke's law force of a spring
-KA
1/((1/C)+(1/C)..........)
Ed=V
perfectly inelastic collision