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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. force a charge in a Bfield
qVB
pL/A
qE
joules/second

2. hooke's law force of a spring
(Di)/(Do) or (Hi)/(Ho)
h(Fo)
2Pi * sqrt(l/g)
-KA

3. lens/mirror equation
(V^2)/r
pL/A
(1/Do) + (1/Di) = (1/f)
BLv

4. second kinematic
delta x = (Vo)t + .5at^2
no force (right hand rule)
(I^2)R
joules/second

5. formula for constructive interference in a thin membrane with two phase changes
deltaU = deltaQ + deltaW
2nt=mwavelength
sqrt(T/(m/))
2Pi * sqrt(l/g)

6. formula for charge stored in a capciator
-KA
mgCostheta(mu)d
Q=CV
(I^2)RT

7. heat during an isometric process
constant volume
n(Cv)(deltaT)
BLv
(Wnet)/(Qin)

8. formula for finding the qacceleration due to gravity at the surface of a planet of mass M and diameter d
V^2=(Vo)^2 +2a*change in x
1/((1/C)+(1/C)..........)
G M/((d/2)^2)
h/wavelength

9. formula to find the gauge pressure at the bottom of a pool
MC(deltaT)
qV
roegh
qE

10. formula for power with current and voltage
d/2
VI
deltaU -deltaW
E/B

11. electric potential a distance r from a charge
.5mV^2 + .5KA^2
inelastic collision
KQ/r
qVB

12. velocity of a molecule of gas
qV
L -LCostheta
sqrt(3KT/m)
no force (right hand rule)

13. heat during a cyclic process (net heat)
hc/wavelength
deltaU -deltaW
0
constant pressure

14. natural frequency of an open tube of length L
1/2wavelength
no heat flow
(Fn)(mu)
KI/r

15. radius of curvature of a charged particle as it enters a uniform magnetic field
perfectly inelastic collision
Ed=V
m(v^2)/qvB
e=mc^2

16. energy stored in a capacitor
.5CV^2 or .5 Q^2/C or .5QV
mgCostheta(mu)d
KQ/r
J= Ft

17. formula for energy of a spring mass when spring is at maximum displacement
.5KA^2
VI
G M/((d/2)^2)
(V^2)/R

18. formula for power with Voltage and resistance
.5KA^2
(V^2)/R
MC(deltaT)
mV -m(Vo)

19. change in internal energy during a cyclic process
J= Ft
0
no temp change
opposite motion

20. formula for Carnot efficiency
V+IR
2Pi * sqrt(l/g)
elastic collision
((Th) -(Tl))/(Th)

21. resistance of a wire
pL/A
(V^2)/r
sqrt(3KT/m)
M(Lf)

22. type of collision where K is not conserved
qVB
inelastic collision
-KA
V^2=(Vo)^2 +2a*change in x

23. type of collision where K is conserved
L -LCostheta
elastic collision
E/B
.5KA^2

24. force of gravity between two objects of mass m
V = (Vo) + at
GM*M/(r^2)
h/mv
K |q||Q|/r^2

25. force of friction
inelastic collision
(Di)/(Do) or (Hi)/(Ho)
(Fn)(mu)
GM*M/(r^2)

26. focal length of a mirror with radius d
d/2
.5mV^2 + .5KA^2
2nt=mwavelength
(N2)/(N1)

27. magnification equation
(Di)/(Do) or (Hi)/(Ho)
F/A
(hc/wavelength)=h(Fo) +(Vs)
qrB/m

28. formula for centripetal acceleration
delta x = (Vo)t + .5at^2
(hc/wavelength)=h(Fo) +(Vs)
net work = delta K
(V^2)/r

29. energy of a photon if wavelength is known
FV
hc/wavelength
BA
h/wavelength

30. total capacitance of capacitors in series
elastic collision
GM*M/(r^2)
1/((1/C)+(1/C)..........)
BLv

31. formula relating voltage and electric field
1/((1/C)+(1/C)..........)
Ed=V
KI/r
pL/A

32. heat required to melt a substance
V^2=(Vo)^2 +2a*change in x
(V^2)/r
M(Lf)
Q=CV

33. the electric force between two objects of charge Q
K |q||Q|/r^2
no temp change
qE
hc/wavelength

34. EMF of a battery having internal resistance R
-KA
V+IR
h/mv
M(Lf)

35. formula for efficiency not using work out
(3/2)nRdeltaT
((Qin) -(Qout))/(Qin)
(Fn)(mu)
joules/second

36. the units of current other than amps
net work = delta K
M(Lf)
(EMF)Rt/10
Columbs/second

37. formula for current through the resistor when the ten coils are removed from the B field in an amount of time t
qE
no heat flow
(EMF)Rt/10
E/B

38. the units of power other than watts
joules/second
.5CV^2 or .5 Q^2/C or .5QV
h/wavelength
dSintheta=mwavelength

39. formula for finding the stopping potential of a metal for a wavelength if the cutoff frequency is known
(V^2)/r
no heat flow
(hc/wavelength)=h(Fo) +(Vs)
AV=(A2)(V2)

40. force of frction on an incline
Columbs/second
.5mV^2 + .5KA^2
dSintheta=mwavelength
mgCostheta(mu)d

41. isobaric
qrB/m
e=mc^2
roegh
constant pressure

42. formula for power with current and resistance
.5mV^2 + .5KA^2
mgCostheta(mu)d
(I^2)R
J= Ft

43. formula for buoyant force
roeVg
BA
net work = delta K
sqrt(T/(m/))

44. velocity of a charge traveling at a constant veloc ity through crossed E and B fields
(No)(wavelength)=(Nn)(new wavelength)
E/B
sqrt(3KT/m)
d/2

45. formula for constructive interference in a diffraction grating
(3/2)nRdeltaT
J= Ft
deltaU -deltaW
dSintheta=mwavelength

46. formula for impluse involving time
e=mc^2
pL/A
J= Ft
F/A

47. formula for torque
hc/wavelength
rF
no temp change
joules/second

48. type of collision where objects stick togerther
(N2)/(N1)
perfectly inelastic collision
1/((1/C)+(1/C)..........)
E/B

49. velocity of waves on a string if tension is known
sqrt(T/(m/))
J= Ft
(Fn)(mu)
.5mV^2 + .5KA^2

50. formula for efficiency of a heat engine using work out
(V^2)/R
((Th) -(Tl))/(Th)
(Wnet)/(Qin)
qV