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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 finding the energy required to move a charged particle from infinity to a point a certain distance away from a charged particle
roeVg
rF
qV
(I^2)R

2. formula for current through the resistor when the ten coils are removed from the B field in an amount of time t
(EMF)Rt/10
(V^2)/R
(I^2)R
(Fn)(mu)

3. the units of power other than watts
joules/second
qrB/m
h/wavelength
V = (Vo) + at

4. the force on a charge in an electric field
hc/wavelength
1/2wavelength
roeVg
qE

5. heat required to melt a substance
((Qin) -(Qout))/(Qin)
opposite motion
M(Lf)
-KA

6. formula for finding the work function of a metal if the cutoff frequency is known
h(Fo)
qVB
((Qin) -(Qout))/(Qin)
sqrt(T/(m/))

7. type of collision where K is conserved
no force (right hand rule)
nSintheta=nsintheta
elastic collision
.5mV^2 + .5KA^2

8. total capacitance of capacitors in series
opposite motion
1/((1/C)+(1/C)..........)
2nt=mwavelength
(V^2)/R

9. formula for centripetal acceleration
h(Fo)
KQ/r
(V^2)/r
(Wnet)/(Qin)

10. the force on a charge moving parallel to a magnetic field
no force (right hand rule)
((Th) -(Tl))/(Th)
G M/((d/2)^2)
hc/wavelength

11. formula to find the absoluate pressure at the bottom of a pool
no heat flow
(Patm) + (Pgauge)
-KA
roeVg

12. isobaric
qrB/m
constant pressure
mgCostheta(mu)d
2nt=mwavelength

13. formula relating voltage and electric field
.5mV^2 + .5KA^2
inelastic collision
AV=(A2)(V2)
Ed=V

14. force of gravity between two objects of mass m
nSintheta=nsintheta
MC(deltaT)
(I^2)R
GM*M/(r^2)

15. magnification equation
elastic collision
(Di)/(Do) or (Hi)/(Ho)
Columbs/second
deltaU -deltaW

16. formula for the wavelength (debroglie wavelength) of a moving particle
h/mv
0
KI/r
mgCostheta(mu)d

17. velocity of waves on a string if tension is known
Q=CV
sqrt(T/(m/))
J= Ft
dSintheta=mwavelength

18. velocity of a charge traveling at a constant veloc ity through crossed E and B fields
Ed=V
Q=CV
E/B
L -LCostheta

19. adibatic
J= Ft
no heat flow
sqrt(3KT/m)
k|Q|/r^2

20. formula for finding magnetic flux
BA
.5KA^2
V^2=(Vo)^2 +2a*change in x
nSintheta=nsintheta

21. heat during a cyclic process (net heat)
KI/r
(V^2)/R
deltaU -deltaW
(Di)/(Do) or (Hi)/(Ho)

22. resistance of a wire
(3/2)nRdeltaT
2nt=mwavelength
pL/A
L -LCostheta

23. formula to find the gauge pressure at the bottom of a pool
m(v^2)/qvB
2Pi * sqrt(l/g)
(V^2)/r
roegh

24. what direction is friction?
opposite motion
e=mc^2
(I^2)R
(Fn)(mu)

25. lens/mirror equation
2nt=mwavelength
F/A
(1/Do) + (1/Di) = (1/f)
(Wnet)/(Qin)

26. heat during an isometric process
opposite motion
VI
n(Cv)(deltaT)
(V^2)/r

27. velocity of a molecule of gas
h(Fo)
(Patm) + (Pgauge)
qVB
sqrt(3KT/m)

28. formula for power with Voltage and resistance
no force (right hand rule)
(V^2)/R
roeVg
2nt=mwavelength

29. formula for finding the magnetic field a distance r from a current carrying wire
sqrt(3KT/m)
Ed=V
sqrt(T/(m/))
KI/r

30. formula for buoyant force
(Fn)(mu)
(1/Do) + (1/Di) = (1/f)
m(v^2)/qvB
roeVg

31. snells law
L -LCostheta
roeVg
V+IR
nSintheta=nsintheta

32. formula for efficiency not using work out
((Qin) -(Qout))/(Qin)
d/2
h/wavelength
.5KA^2

33. the units of current other than amps
opposite motion
Columbs/second
0
(Wnet)/(Qin)

34. formula for energy of a spring mass when spring is neither at maximum displacement nor at equilibrium
((Th) -(Tl))/(Th)
(I^2)RT
perfectly inelastic collision
.5mV^2 + .5KA^2

35. formula for power with current and voltage
e=mc^2
VI
((Th) -(Tl))/(Th)
GM*M/(r^2)

36. isometric
h/mv
delta x = (Vo)t + .5at^2
constant volume
mgCostheta(mu)d

37. formula for charge stored in a capciator
Q=CV
(Fn)(mu)
inelastic collision
(3/2)nRdeltaT

38. equation for the first law of thermodynamics
((Th) -(Tl))/(Th)
Joules/Columb
deltaU = deltaQ + deltaW
(Di)/(Do) or (Hi)/(Ho)

39. formula for period of a pendulum
2Pi * sqrt(l/g)
qV
frequency never changes for light problems
hc/wavelength

40. formula for efficiency of a heat engine using work out
pL/A
(Wnet)/(Qin)
(I^2)R
(1/Do) + (1/Di) = (1/f)

41. forgotten power equation
deltaU = deltaQ + deltaW
FV
inelastic collision
qrB/m

42. formula for Carnot efficiency
2Pi * sqrt(l/g)
net work = delta K
((Th) -(Tl))/(Th)
Columbs/second

43. hooke's law force of a spring
1/2wavelength
-KA
net work = delta K
(Wnet)/(Qin)

44. type of collision where objects stick togerther
FV
K |q||Q|/r^2
-KA
perfectly inelastic collision

45. the electric force between two objects of charge Q
K |q||Q|/r^2
roeVg
qE
Q=CV

46. formula for finding the momentum of a photon
constant volume
h/wavelength
(I^2)R
d/2

47. units for voltage other than volts
Joules/Columb
no heat flow
roegh
m(v^2)/qvB

48. velocity of an electrion as it exitws from the hole
qrB/m
K |q||Q|/r^2
J= Ft
elastic collision

49. natural frequency of an open tube of length L
dSintheta=mwavelength
1/2wavelength
no temp change
net work = delta K

50. radius of curvature of a charged particle as it enters a uniform magnetic field
opposite motion
(V^2)/R
V^2=(Vo)^2 +2a*change in x
m(v^2)/qvB