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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
qV
Joules/Columb
0
K |q||Q|/r^2

2. formula for current through the resistor when the ten coils are removed from the B field in an amount of time t
e=mc^2
V = (Vo) + at
h(Fo)
(EMF)Rt/10

3. formula relating voltage and electric field
.5CV^2 or .5 Q^2/C or .5QV
deltaU = deltaQ + deltaW
rF
Ed=V

4. formula for change in internal energy in a cosnstat volume PV process
joules/second
qrB/m
(3/2)nRdeltaT
AV=(A2)(V2)

5. formula for finding magnetic flux
L -LCostheta
k|Q|/r^2
BA
deltaU -deltaW

6. new wavelength of light as it enters a new substance
sqrt(T/(m/))
(Wnet)/(Qin)
.5mV^2 + .5KA^2
(No)(wavelength)=(Nn)(new wavelength)

7. formula to find the absoluate pressure at the bottom of a pool
1/((1/C)+(1/C)..........)
K |q||Q|/r^2
V = (Vo) + at
(Patm) + (Pgauge)

8. type of collision where K is not conserved
rF
GM*M/(r^2)
inelastic collision
roegh

9. force of friction
(Fn)(mu)
qVB
constant volume
(3/2)nRdeltaT

10. formula for impulse involving momentum
V = (Vo) + at
mV -m(Vo)
qV
m(v^2)/qvB

11. new frequency of light as it enters a new substance
BA
frequency never changes for light problems
VI
(hc/wavelength)=h(Fo) +(Vs)

12. force of frction on an incline
inelastic collision
mgCostheta(mu)d
2Pi * sqrt(l/g)
pL/A

13. magnification equation
(Di)/(Do) or (Hi)/(Ho)
1/((1/C)+(1/C)..........)
deltaU -deltaW
Joules/Columb

14. equation for the first law of thermodynamics
h(Fo)
.5KA^2
mV -m(Vo)
deltaU = deltaQ + deltaW

15. equation of continuity
n(Cv)(deltaT)
sqrt(T/(m/))
AV=(A2)(V2)
((Th) -(Tl))/(Th)

16. formula for finding the momentum of a photon
h/wavelength
perfectly inelastic collision
J= Ft
V^2=(Vo)^2 +2a*change in x

17. natural frequency of an open tube of length L
d/2
1/2wavelength
(Wnet)/(Qin)
rF

18. third kinematic
((Qin) -(Qout))/(Qin)
(Di)/(Do) or (Hi)/(Ho)
V^2=(Vo)^2 +2a*change in x
BLv

19. the units of current other than amps
sqrt(T/(m/))
joules/second
frequency never changes for light problems
Columbs/second

20. formula for impluse involving time
J= Ft
(Wnet)/(Qin)
Q=CV
constant pressure

21. formula for Carnot efficiency
deltaU = deltaQ + deltaW
constant pressure
((Th) -(Tl))/(Th)
K |q||Q|/r^2

22. formula for the wavelength (debroglie wavelength) of a moving particle
F/A
Ed=V
n(Cv)(deltaT)
h/mv

23. heat during a cyclic process (net heat)
deltaU -deltaW
0
FV
no temp change

24. heat required to change temperature of a substance
n(Cv)(deltaT)
nSintheta=nsintheta
h(Fo)
MC(deltaT)

25. formula for centripetal acceleration
(V^2)/r
V^2=(Vo)^2 +2a*change in x
(No)(wavelength)=(Nn)(new wavelength)
no temp change

26. electric field in a distance r from a charge
L -LCostheta
BA
pL/A
k|Q|/r^2

27. velocity of an electrion as it exitws from the hole
2Pi * sqrt(l/g)
AV=(A2)(V2)
m(v^2)/qvB
qrB/m

28. heat during an isometric process
k|Q|/r^2
Ed=V
(3/2)nRdeltaT
n(Cv)(deltaT)

29. adibatic
(EMF)Rt/10
VI
no heat flow
(Fn)(mu)

30. voltage induced in a rod moving through a uniform magnetic field
delta x = (Vo)t + .5at^2
G M/((d/2)^2)
KI/r
BLv

31. the electric force between two objects of charge Q
((Th) -(Tl))/(Th)
K |q||Q|/r^2
constant volume
no heat flow

32. formula for torque
0
k|Q|/r^2
no temp change
rF

33. formula for constructive interference in a diffraction grating
(Wnet)/(Qin)
AV=(A2)(V2)
dSintheta=mwavelength
sqrt(T/(m/))

34. formula for period of a pendulum
2Pi * sqrt(l/g)
deltaU = deltaQ + deltaW
net work = delta K
BA

35. force of gravity between two objects of mass m
qVB
GM*M/(r^2)
rF
Q=CV

36. velocity of a molecule of gas
AV=(A2)(V2)
(EMF)Rt/10
qrB/m
sqrt(3KT/m)

37. natural frequency of a closed tube of length L
opposite motion
1/4wavelength
no temp change
KI/r

38. formula for constructive interference in a thin membrane with two phase changes
(3/2)nRdeltaT
(Fn)(mu)
F/A
2nt=mwavelength

39. formula for efficiency of a heat engine using work out
FV
(V^2)/R
deltaU = deltaQ + deltaW
(Wnet)/(Qin)

40. the force on a charge moving parallel to a magnetic field
h/mv
no force (right hand rule)
J= Ft
constant pressure

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
(I^2)RT
.5mV^2 + .5KA^2
m(v^2)/qvB
roegh

42. focal length of a mirror with radius d
E/B
pL/A
d/2
-KA

43. EMF of a battery having internal resistance R
(No)(wavelength)=(Nn)(new wavelength)
V+IR
((Qin) -(Qout))/(Qin)
sqrt(T/(m/))

44. formula for efficiency not using work out
h/mv
.5KA^2
((Qin) -(Qout))/(Qin)
M(Lf)

45. formula for power with Voltage and resistance
(V^2)/R
dSintheta=mwavelength
pL/A
mV -m(Vo)

46. isothermal
mV -m(Vo)
VI
F/A
no temp change

47. work energy theorum
constant pressure
(No)(wavelength)=(Nn)(new wavelength)
net work = delta K
roegh

48. formula for energy of a spring mass when spring is at maximum displacement
L -LCostheta
.5KA^2
MC(deltaT)
roeVg

49. formula for finding the work function of a metal if the cutoff frequency is known
h(Fo)
qVB
.5KA^2
(1/Do) + (1/Di) = (1/f)

50. isometric
constant volume
Ed=V
FV
joules/second