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AP Physics Formulas

Instructions:

Answer 50 questions in 15 minutes.
If you are not ready to take this test, you can study here.
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. formula relating voltage and electric field
(Di)/(Do) or (Hi)/(Ho)
h/mv
sqrt(3KT/m)
Ed=V

2. type of collision where objects stick togerther
perfectly inelastic collision
Joules/Columb
Ed=V
opposite motion

3. new frequency of light as it enters a new substance
1/2wavelength
L -LCostheta
frequency never changes for light problems
pL/A

4. natural frequency of an open tube of length L
no force (right hand rule)
qV
1/2wavelength
net work = delta K

5. the electric force between two objects of charge Q
n(Cv)(deltaT)
hc/wavelength
K |q||Q|/r^2
1/2wavelength

6. formula for power with Voltage and resistance
VI
(Fn)(mu)
(V^2)/R
Columbs/second

7. formula for change in internal energy in a cosnstat volume PV process
nSintheta=nsintheta
(1/Do) + (1/Di) = (1/f)
VI
(3/2)nRdeltaT

8. units for voltage other than volts
Joules/Columb
(N2)/(N1)
qVB
(V^2)/R

9. formula for power with current and resistance
(V^2)/r
Q=CV
inelastic collision
(I^2)R

10. formula for period of a pendulum
2Pi * sqrt(l/g)
nSintheta=nsintheta
V = (Vo) + at
no heat flow

11. new wavelength of light as it enters a new substance
E/B
constant pressure
(No)(wavelength)=(Nn)(new wavelength)
(Fn)(mu)

12. type of collision where K is conserved
(Wnet)/(Qin)
no force (right hand rule)
(N2)/(N1)
elastic collision

13. formula for efficiency not using work out
k|Q|/r^2
n(Cv)(deltaT)
((Qin) -(Qout))/(Qin)
qE

14. magnification equation
qVB
no temp change
(Di)/(Do) or (Hi)/(Ho)
h/wavelength

15. third kinematic
(V^2)/r
BLv
deltaU -deltaW
V^2=(Vo)^2 +2a*change in x

16. formula to find the absoluate pressure at the bottom of a pool
KQ/r
(V^2)/R
roeVg
(Patm) + (Pgauge)

17. velocity of waves on a string if tension is known
sqrt(T/(m/))
KI/r
Ed=V
(I^2)R

18. formula for centripetal acceleration
(V^2)/r
.5CV^2 or .5 Q^2/C or .5QV
(I^2)R
no temp change

19. formula for finding magnetic flux
BA
(Fn)(mu)
(N2)/(N1)
(No)(wavelength)=(Nn)(new wavelength)

20. formula for finding the momentum of a photon
no temp change
(EMF)Rt/10
h/wavelength
VI

21. natural frequency of a closed tube of length L
constant pressure
1/4wavelength
joules/second
Columbs/second

22. formula for torque
(I^2)RT
rF
deltaU = deltaQ + deltaW
qE

23. EMF of a battery having internal resistance R
E/B
mV -m(Vo)
mgCostheta(mu)d
V+IR

24. isothermal
J= Ft
1/4wavelength
constant pressure
no temp change

25. energy stored in a capacitor
.5CV^2 or .5 Q^2/C or .5QV
dSintheta=mwavelength
n(Cv)(deltaT)
1/((1/C)+(1/C)..........)

26. isometric
nSintheta=nsintheta
KQ/r
constant volume
Ed=V

27. electric field in a distance r from a charge
k|Q|/r^2
(Patm) + (Pgauge)
K |q||Q|/r^2
VI

28. hooke's law force of a spring
-KA
constant pressure
elastic collision
.5CV^2 or .5 Q^2/C or .5QV

29. velocity of an electrion as it exitws from the hole
2nt=mwavelength
qrB/m
rF
(Patm) + (Pgauge)

30. the force on a charge in an electric field
(Wnet)/(Qin)
n(Cv)(deltaT)
qE
h(Fo)

31. what direction is friction?
(N2)/(N1)
opposite motion
(I^2)R
Ed=V

32. forgotten power equation
constant volume
mV -m(Vo)
FV
qE

33. focal length of a mirror with radius d
.5KA^2
F/A
qE
d/2

34. voltage induced in a rod moving through a uniform magnetic field
BLv
0
rF
MC(deltaT)

35. heat during a cyclic process (net heat)
deltaU -deltaW
(Di)/(Do) or (Hi)/(Ho)
V+IR
Q=CV

36. adibatic
(Wnet)/(Qin)
M(Lf)
no heat flow
(1/Do) + (1/Di) = (1/f)

37. lens/mirror equation
(V^2)/R
Q=CV
constant volume
(1/Do) + (1/Di) = (1/f)

38. formula for energy of a spring mass when spring is neither at maximum displacement nor at equilibrium
K |q||Q|/r^2
h(Fo)
n(Cv)(deltaT)
.5mV^2 + .5KA^2

39. force of friction
nSintheta=nsintheta
(Fn)(mu)
F/A
perfectly inelastic collision

40. formula for Carnot efficiency
G M/((d/2)^2)
constant volume
((Th) -(Tl))/(Th)
deltaU = deltaQ + deltaW

41. formula for the wavelength (debroglie wavelength) of a moving particle
h/mv
1/((1/C)+(1/C)..........)
sqrt(T/(m/))
e=mc^2

42. work energy theorum
(No)(wavelength)=(Nn)(new wavelength)
k|Q|/r^2
(I^2)RT
net work = delta K

43. total capacitance of capacitors in series
1/((1/C)+(1/C)..........)
deltaU -deltaW
pL/A
delta x = (Vo)t + .5at^2

44. second kinematic
delta x = (Vo)t + .5at^2
G M/((d/2)^2)
((Th) -(Tl))/(Th)
1/4wavelength

45. change in internal energy during a cyclic process
constant pressure
deltaU = deltaQ + deltaW
mV -m(Vo)
0

46. formula for finding the energy required to move a charged particle from infinity to a point a certain distance away from a charged particle
KQ/r
qV
V = (Vo) + at
(I^2)RT

47. formula for energy of a spring mass when spring is at maximum displacement
((Th) -(Tl))/(Th)
.5KA^2
mgCostheta(mu)d
VI

48. electric potential a distance r from a charge
(Patm) + (Pgauge)
n(Cv)(deltaT)
KQ/r
(N2)/(N1)

49. heat required to change temperature of a substance
opposite motion
delta x = (Vo)t + .5at^2
deltaU = deltaQ + deltaW
MC(deltaT)

50. force of gravity between two objects of mass m
(Di)/(Do) or (Hi)/(Ho)
VI
rF
GM*M/(r^2)