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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. total capacitance of capacitors in series
(Wnet)/(Qin)
1/((1/C)+(1/C)..........)
constant volume
(1/Do) + (1/Di) = (1/f)

2. isometric
constant pressure
mV -m(Vo)
(hc/wavelength)=h(Fo) +(Vs)
constant volume

3. lens/mirror equation
h(Fo)
-KA
L -LCostheta
(1/Do) + (1/Di) = (1/f)

4. velocity of a charge traveling at a constant veloc ity through crossed E and B fields
VI
-KA
E/B
(Patm) + (Pgauge)

5. the units of current other than amps
Columbs/second
k|Q|/r^2
L -LCostheta
inelastic collision

6. resistance of a wire
(I^2)RT
pL/A
VI
sqrt(3KT/m)

7. formula for charge stored in a capciator
V+IR
Q=CV
perfectly inelastic collision
F/A

8. new frequency of light as it enters a new substance
frequency never changes for light problems
.5mV^2 + .5KA^2
h/mv
perfectly inelastic collision

9. units for voltage other than volts
-KA
d/2
V^2=(Vo)^2 +2a*change in x
Joules/Columb

10. the force on a charge moving parallel to a magnetic field
(hc/wavelength)=h(Fo) +(Vs)
sqrt(3KT/m)
Joules/Columb
no force (right hand rule)

11. energy of a photon if wavelength is known
hc/wavelength
nSintheta=nsintheta
k|Q|/r^2
opposite motion

12. formula for finding the stopping potential of a metal for a wavelength if the cutoff frequency is known
(hc/wavelength)=h(Fo) +(Vs)
qVB
V+IR
joules/second

13. natural frequency of a closed tube of length L
1/4wavelength
GM*M/(r^2)
M(Lf)
constant volume

14. the units of power other than watts
(1/Do) + (1/Di) = (1/f)
roegh
joules/second
BLv

15. formula for centripetal acceleration
e=mc^2
(V^2)/r
roeVg
VI

16. what direction is friction?
constant volume
opposite motion
(No)(wavelength)=(Nn)(new wavelength)
J= Ft

17. formula for period of a pendulum
roegh
roeVg
2Pi * sqrt(l/g)
qVB

18. new wavelength of light as it enters a new substance
n(Cv)(deltaT)
KI/r
(No)(wavelength)=(Nn)(new wavelength)
1/2wavelength

19. equation of continuity
dSintheta=mwavelength
AV=(A2)(V2)
h(Fo)
e=mc^2

20. formula for current through the resistor when the ten coils are removed from the B field in an amount of time t
roeVg
(EMF)Rt/10
constant pressure
nSintheta=nsintheta

21. type of collision where objects stick togerther
sqrt(T/(m/))
frequency never changes for light problems
perfectly inelastic collision
(EMF)Rt/10

22. electric potential a distance r from a charge
KQ/r
1/4wavelength
F/A
opposite motion

23. hooke's law force of a spring
E/B
no temp change
(EMF)Rt/10
-KA

24. formula for torque
GM*M/(r^2)
h/wavelength
rF
no force (right hand rule)

25. formula for power with Voltage and resistance
mV -m(Vo)
(V^2)/R
-KA
elastic collision

26. magnification equation
pL/A
V = (Vo) + at
(Di)/(Do) or (Hi)/(Ho)
Ed=V

27. type of collision where K is conserved
h(Fo)
elastic collision
F/A
VI

28. EMF of a battery having internal resistance R
h/wavelength
V+IR
Q=CV
.5CV^2 or .5 Q^2/C or .5QV

29. forgotten power equation
FV
(V^2)/R
frequency never changes for light problems
rF

30. voltage induced in a rod moving through a uniform magnetic field
no heat flow
(hc/wavelength)=h(Fo) +(Vs)
1/4wavelength
BLv

31. the electric force between two objects of charge Q
K |q||Q|/r^2
MC(deltaT)
((Qin) -(Qout))/(Qin)
h(Fo)

32. radius of curvature of a charged particle as it enters a uniform magnetic field
FV
(hc/wavelength)=h(Fo) +(Vs)
dSintheta=mwavelength
m(v^2)/qvB

33. electric field in a distance r from a charge
MC(deltaT)
-KA
k|Q|/r^2
AV=(A2)(V2)

34. focal length of a mirror with radius d
opposite motion
d/2
2Pi * sqrt(l/g)
Columbs/second

35. formula for power with current and voltage
AV=(A2)(V2)
m(v^2)/qvB
joules/second
VI

36. force of friction
(Fn)(mu)
delta x = (Vo)t + .5at^2
(3/2)nRdeltaT
L -LCostheta

37. formula to find the absoluate pressure at the bottom of a pool
(Patm) + (Pgauge)
(No)(wavelength)=(Nn)(new wavelength)
perfectly inelastic collision
.5CV^2 or .5 Q^2/C or .5QV

38. type of collision where K is not conserved
2Pi * sqrt(l/g)
inelastic collision
mgCostheta(mu)d
k|Q|/r^2

39. formula for critical angle
1/((1/C)+(1/C)..........)
(N2)/(N1)
roeVg
(Di)/(Do) or (Hi)/(Ho)

40. formula for Carnot efficiency
KI/r
((Th) -(Tl))/(Th)
.5mV^2 + .5KA^2
F/A

41. formula used to find the heat generated by a resistor after a certain amount of time if the current through the resistor is known
hc/wavelength
GM*M/(r^2)
2nt=mwavelength
(I^2)RT

42. formula for impulse involving momentum
no force (right hand rule)
opposite motion
Ed=V
mV -m(Vo)

43. the force on a charge in an electric field
Joules/Columb
qE
mgCostheta(mu)d
qV

44. isothermal
qVB
no temp change
roeVg
GM*M/(r^2)

45. force of frction on an incline
mgCostheta(mu)d
constant pressure
2nt=mwavelength
e=mc^2

46. energy stored in a capacitor
Q=CV
.5CV^2 or .5 Q^2/C or .5QV
G M/((d/2)^2)
mgCostheta(mu)d

47. heat during a cyclic process (net heat)
deltaU -deltaW
perfectly inelastic collision
(Patm) + (Pgauge)
K |q||Q|/r^2

48. adibatic
(Wnet)/(Qin)
constant volume
K |q||Q|/r^2
no heat flow

49. velocity of an electrion as it exitws from the hole
E/B
V^2=(Vo)^2 +2a*change in x
qrB/m
F/A

50. formula for impluse involving time
rF
qrB/m
J= Ft
deltaU = deltaQ + deltaW