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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.
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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 for charge stored in a capciator
J= Ft
Q=CV
(No)(wavelength)=(Nn)(new wavelength)
perfectly inelastic collision

2. the units of current other than amps
roegh
Columbs/second
(I^2)R
((Th) -(Tl))/(Th)

3. formula equating energy and mass
constant pressure
e=mc^2
0
deltaU -deltaW

4. adibatic
net work = delta K
V = (Vo) + at
Joules/Columb
no heat flow

5. total capacitance of capacitors in series
1/((1/C)+(1/C)..........)
no heat flow
F/A
L -LCostheta

6. change in internal energy during a cyclic process
0
J= Ft
deltaU -deltaW
1/((1/C)+(1/C)..........)

7. magnification equation
(Di)/(Do) or (Hi)/(Ho)
V^2=(Vo)^2 +2a*change in x
2nt=mwavelength
no heat flow

8. the force on a charge in an electric field
m(v^2)/qvB
Columbs/second
qE
(1/Do) + (1/Di) = (1/f)

9. lens/mirror equation
-KA
(1/Do) + (1/Di) = (1/f)
no heat flow
M(Lf)

10. equation for the first law of thermodynamics
dSintheta=mwavelength
deltaU = deltaQ + deltaW
2Pi * sqrt(l/g)
mgCostheta(mu)d

11. force of frction on an incline
mgCostheta(mu)d
(Patm) + (Pgauge)
inelastic collision
constant volume

12. resistance of a wire
e=mc^2
pL/A
deltaU -deltaW
no temp change

13. formula for power with current and resistance
qrB/m
(I^2)R
L -LCostheta
h/mv

14. formula for efficiency of a heat engine using work out
nSintheta=nsintheta
hc/wavelength
(N2)/(N1)
(Wnet)/(Qin)

15. snells law
nSintheta=nsintheta
qE
(I^2)RT
Ed=V

16. formula for finding the magnetic field a distance r from a current carrying wire
KI/r
hc/wavelength
pL/A
Columbs/second

17. formula for finding the momentum of a photon
2Pi * sqrt(l/g)
E/B
h/wavelength
no force (right hand rule)

18. electric potential a distance r from a charge
KQ/r
no temp change
Joules/Columb
V+IR

19. formula for power with current and voltage
Joules/Columb
BLv
VI
(EMF)Rt/10

20. third kinematic
no heat flow
V^2=(Vo)^2 +2a*change in x
h/mv
V+IR

21. heat during an isometric process
pL/A
n(Cv)(deltaT)
qV
no heat flow

22. velocity of a charge traveling at a constant veloc ity through crossed E and B fields
(I^2)R
.5KA^2
m(v^2)/qvB
E/B

23. equation of continuity
AV=(A2)(V2)
V+IR
(1/Do) + (1/Di) = (1/f)
Ed=V

24. velocity of an electrion as it exitws from the hole
qrB/m
.5CV^2 or .5 Q^2/C or .5QV
inelastic collision
m(v^2)/qvB

25. velocity of a molecule of gas
0
BA
opposite motion
sqrt(3KT/m)

26. pressure
mgCostheta(mu)d
h/wavelength
F/A
MC(deltaT)

27. formula used to find the heat generated by a resistor after a certain amount of time if the current through the resistor is known
L -LCostheta
AV=(A2)(V2)
V = (Vo) + at
(I^2)RT

28. formula for finding the work function of a metal if the cutoff frequency is known
hc/wavelength
sqrt(3KT/m)
h(Fo)
m(v^2)/qvB

29. force of friction
roeVg
perfectly inelastic collision
(Fn)(mu)
Ed=V

30. velocity of waves on a string if tension is known
inelastic collision
.5CV^2 or .5 Q^2/C or .5QV
GM*M/(r^2)
sqrt(T/(m/))

31. type of collision where K is not conserved
n(Cv)(deltaT)
inelastic collision
Joules/Columb
2nt=mwavelength

32. the electric force between two objects of charge Q
G M/((d/2)^2)
no temp change
perfectly inelastic collision
K |q||Q|/r^2

33. formula for change in internal energy in a cosnstat volume PV process
(3/2)nRdeltaT
dSintheta=mwavelength
V+IR
(Patm) + (Pgauge)

34. force of gravity between two objects of mass m
GM*M/(r^2)
no heat flow
(I^2)R
qE

35. formula for efficiency not using work out
hc/wavelength
Q=CV
1/4wavelength
((Qin) -(Qout))/(Qin)

36. natural frequency of an open tube of length L
1/2wavelength
((Qin) -(Qout))/(Qin)
Q=CV
((Th) -(Tl))/(Th)

37. new frequency of light as it enters a new substance
(No)(wavelength)=(Nn)(new wavelength)
net work = delta K
frequency never changes for light problems
(3/2)nRdeltaT

38. isobaric
h(Fo)
(EMF)Rt/10
net work = delta K
constant pressure

39. formula relating voltage and electric field
L -LCostheta
(1/Do) + (1/Di) = (1/f)
opposite motion
Ed=V

40. EMF of a battery having internal resistance R
V+IR
.5KA^2
constant volume
elastic collision

41. first kinematic
M(Lf)
rF
V = (Vo) + at
deltaU = deltaQ + deltaW

42. formula for power with Voltage and resistance
(Patm) + (Pgauge)
mgCostheta(mu)d
qrB/m
(V^2)/R

43. formula for impulse involving momentum
h/wavelength
mV -m(Vo)
1/((1/C)+(1/C)..........)
pL/A

44. formula for finding the energy required to move a charged particle from infinity to a point a certain distance away from a charged particle
qV
e=mc^2
roegh
2nt=mwavelength

45. second kinematic
sqrt(3KT/m)
rF
(I^2)RT
delta x = (Vo)t + .5at^2

46. type of collision where objects stick togerther
qVB
(Fn)(mu)
delta x = (Vo)t + .5at^2
perfectly inelastic collision

47. isometric
J= Ft
FV
constant volume
(Di)/(Do) or (Hi)/(Ho)

48. new wavelength of light as it enters a new substance
(No)(wavelength)=(Nn)(new wavelength)
delta x = (Vo)t + .5at^2
AV=(A2)(V2)
e=mc^2

49. units for voltage other than volts
Joules/Columb
(Di)/(Do) or (Hi)/(Ho)
(No)(wavelength)=(Nn)(new wavelength)
dSintheta=mwavelength

50. formula for finding the qacceleration due to gravity at the surface of a planet of mass M and diameter d
e=mc^2
(hc/wavelength)=h(Fo) +(Vs)
(EMF)Rt/10
G M/((d/2)^2)

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