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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. 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
opposite motion
(Fn)(mu)
n(Cv)(deltaT)

2. formula for period of a pendulum
no force (right hand rule)
h/mv
2Pi * sqrt(l/g)
(I^2)RT

3. total capacitance of capacitors in series
AV=(A2)(V2)
FV
BLv
1/((1/C)+(1/C)..........)

4. heat required to change temperature of a substance
VI
elastic collision
0
MC(deltaT)

5. formula for finding the momentum of a photon
h/wavelength
(Di)/(Do) or (Hi)/(Ho)
((Th) -(Tl))/(Th)
inelastic collision

6. formula for current through the resistor when the ten coils are removed from the B field in an amount of time t
qVB
dSintheta=mwavelength
(EMF)Rt/10
joules/second

7. velocity of a charge traveling at a constant veloc ity through crossed E and B fields
qrB/m
nSintheta=nsintheta
rF
E/B

8. electric field in a distance r from a charge
V^2=(Vo)^2 +2a*change in x
Q=CV
k|Q|/r^2
V = (Vo) + at

9. the units of power other than watts
FV
hc/wavelength
joules/second
deltaU -deltaW

10. formula for change in internal energy in a cosnstat volume PV process
(3/2)nRdeltaT
-KA
h/mv
qE

11. magnification equation
(Di)/(Do) or (Hi)/(Ho)
G M/((d/2)^2)
BLv
L -LCostheta

12. EMF of a battery having internal resistance R
BA
J= Ft
V+IR
sqrt(T/(m/))

13. isothermal
2Pi * sqrt(l/g)
hc/wavelength
no temp change
(Fn)(mu)

14. voltage induced in a rod moving through a uniform magnetic field
h/wavelength
BLv
deltaU = deltaQ + deltaW
Joules/Columb

15. equation of continuity
AV=(A2)(V2)
(V^2)/r
e=mc^2
k|Q|/r^2

16. energy stored in a capacitor
.5CV^2 or .5 Q^2/C or .5QV
G M/((d/2)^2)
0
V = (Vo) + at

17. formula for impluse involving time
J= Ft
KQ/r
(Di)/(Do) or (Hi)/(Ho)
(Fn)(mu)

18. the electric force between two objects of charge Q
Ed=V
BLv
K |q||Q|/r^2
M(Lf)

19. lens/mirror equation
qV
n(Cv)(deltaT)
(1/Do) + (1/Di) = (1/f)
1/2wavelength

20. change in internal energy during a cyclic process
0
(1/Do) + (1/Di) = (1/f)
e=mc^2
(I^2)RT

21. formula for power with current and voltage
V^2=(Vo)^2 +2a*change in x
VI
(Di)/(Do) or (Hi)/(Ho)
GM*M/(r^2)

22. formula for Carnot efficiency
(No)(wavelength)=(Nn)(new wavelength)
(V^2)/R
elastic collision
((Th) -(Tl))/(Th)

23. force of gravity between two objects of mass m
E/B
roegh
((Th) -(Tl))/(Th)
GM*M/(r^2)

24. formula for centripetal acceleration
(Fn)(mu)
(V^2)/r
delta x = (Vo)t + .5at^2
inelastic collision

25. formula for charge stored in a capciator
dSintheta=mwavelength
Q=CV
V+IR
2nt=mwavelength

26. formula for critical angle
Joules/Columb
MC(deltaT)
(N2)/(N1)
roegh

27. formula for finding the qacceleration due to gravity at the surface of a planet of mass M and diameter d
G M/((d/2)^2)
2nt=mwavelength
(Fn)(mu)
qV

28. the force on a charge moving parallel to a magnetic field
no force (right hand rule)
qE
no heat flow
1/2wavelength

29. formula for energy of a spring mass when spring is neither at maximum displacement nor at equilibrium
KQ/r
.5mV^2 + .5KA^2
V+IR
m(v^2)/qvB

30. snells law
nSintheta=nsintheta
perfectly inelastic collision
Columbs/second
FV

31. natural frequency of an open tube of length L
MC(deltaT)
1/2wavelength
VI
m(v^2)/qvB

32. third kinematic
V^2=(Vo)^2 +2a*change in x
((Qin) -(Qout))/(Qin)
h(Fo)
-KA

33. formula for finding the stopping potential of a metal for a wavelength if the cutoff frequency is known
rF
mV -m(Vo)
(hc/wavelength)=h(Fo) +(Vs)
Q=CV

34. formula for constructive interference in a diffraction grating
m(v^2)/qvB
deltaU = deltaQ + deltaW
constant volume
dSintheta=mwavelength

35. heat during an isometric process
n(Cv)(deltaT)
(V^2)/R
roegh
(N2)/(N1)

36. formula relating voltage and electric field
V = (Vo) + at
(hc/wavelength)=h(Fo) +(Vs)
Ed=V
1/((1/C)+(1/C)..........)

37. force a charge in a Bfield
qVB
(I^2)RT
(V^2)/R
VI

38. formula for efficiency not using work out
((Qin) -(Qout))/(Qin)
net work = delta K
delta x = (Vo)t + .5at^2
inelastic collision

39. heat during a cyclic process (net heat)
nSintheta=nsintheta
roegh
deltaU -deltaW
K |q||Q|/r^2

40. formula for finding the work function of a metal if the cutoff frequency is known
delta x = (Vo)t + .5at^2
Columbs/second
mV -m(Vo)
h(Fo)

41. pressure
Ed=V
no force (right hand rule)
constant volume
F/A

42. formula used to find the heat generated by a resistor after a certain amount of time if the current through the resistor is known
(I^2)RT
mgCostheta(mu)d
roegh
inelastic collision

43. focal length of a mirror with radius d
qV
sqrt(T/(m/))
d/2
2Pi * sqrt(l/g)

44. formula for buoyant force
elastic collision
opposite motion
e=mc^2
roeVg

45. heat required to melt a substance
(I^2)R
(I^2)RT
M(Lf)
MC(deltaT)

46. formula for power with Voltage and resistance
(V^2)/R
mgCostheta(mu)d
2Pi * sqrt(l/g)
h(Fo)

47. the force on a charge in an electric field
qE
.5mV^2 + .5KA^2
BA
(V^2)/r

48. type of collision where objects stick togerther
L -LCostheta
constant volume
e=mc^2
perfectly inelastic collision

49. formula for power with current and resistance
h/wavelength
(I^2)R
no temp change
BLv

50. first kinematic
V = (Vo) + at
constant pressure
MC(deltaT)
rF