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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. EMF of a battery having internal resistance R
V+IR
(I^2)R
-KA
AV=(A2)(V2)

2. first kinematic
joules/second
V = (Vo) + at
(I^2)R
mgCostheta(mu)d

3. formula for efficiency not using work out
Q=CV
((Qin) -(Qout))/(Qin)
.5KA^2
E/B

4. type of collision where K is not conserved
MC(deltaT)
inelastic collision
((Th) -(Tl))/(Th)
h(Fo)

5. equation of continuity
J= Ft
MC(deltaT)
AV=(A2)(V2)
perfectly inelastic collision

6. formula for torque
e=mc^2
MC(deltaT)
rF
h/mv

7. formula for power with Voltage and resistance
K |q||Q|/r^2
G M/((d/2)^2)
V = (Vo) + at
(V^2)/R

8. what direction is friction?
opposite motion
VI
L -LCostheta
sqrt(3KT/m)

9. formula for change in internal energy in a cosnstat volume PV process
qrB/m
0
(3/2)nRdeltaT
inelastic collision

10. new wavelength of light as it enters a new substance
G M/((d/2)^2)
KI/r
no force (right hand rule)
(No)(wavelength)=(Nn)(new wavelength)

11. equation for the first law of thermodynamics
h/wavelength
opposite motion
BLv
deltaU = deltaQ + deltaW

12. formula for finding magnetic flux
BA
FV
.5KA^2
roegh

13. snells law
Columbs/second
nSintheta=nsintheta
((Qin) -(Qout))/(Qin)
F/A

14. formula for energy of a spring mass when spring is neither at maximum displacement nor at equilibrium
((Th) -(Tl))/(Th)
(Di)/(Do) or (Hi)/(Ho)
.5mV^2 + .5KA^2
(Patm) + (Pgauge)

15. formula for power with current and resistance
qrB/m
1/((1/C)+(1/C)..........)
(I^2)R
(No)(wavelength)=(Nn)(new wavelength)

16. radius of curvature of a charged particle as it enters a uniform magnetic field
m(v^2)/qvB
(No)(wavelength)=(Nn)(new wavelength)
2nt=mwavelength
no heat flow

17. work energy theorum
net work = delta K
(Wnet)/(Qin)
roeVg
E/B

18. third kinematic
mgCostheta(mu)d
(I^2)R
((Th) -(Tl))/(Th)
V^2=(Vo)^2 +2a*change in x

19. electric potential a distance r from a charge
h/mv
n(Cv)(deltaT)
L -LCostheta
KQ/r

20. heat required to change temperature of a substance
(Fn)(mu)
MC(deltaT)
.5mV^2 + .5KA^2
inelastic collision

21. new frequency of light as it enters a new substance
dSintheta=mwavelength
V^2=(Vo)^2 +2a*change in x
qE
frequency never changes for light problems

22. natural frequency of an open tube of length L
inelastic collision
1/2wavelength
dSintheta=mwavelength
constant pressure

23. force a charge in a Bfield
no temp change
Columbs/second
d/2
qVB

24. formula relating voltage and electric field
(1/Do) + (1/Di) = (1/f)
Ed=V
(Wnet)/(Qin)
V = (Vo) + at

25. force of gravity between two objects of mass m
frequency never changes for light problems
inelastic collision
GM*M/(r^2)
.5CV^2 or .5 Q^2/C or .5QV

26. second kinematic
qrB/m
-KA
h/mv
delta x = (Vo)t + .5at^2

27. pressure
h/wavelength
d/2
net work = delta K
F/A

28. heat during an isometric process
Columbs/second
1/4wavelength
deltaU -deltaW
n(Cv)(deltaT)

29. force of friction
Joules/Columb
Columbs/second
roegh
(Fn)(mu)

30. formula for current through the resistor when the ten coils are removed from the B field in an amount of time t
.5CV^2 or .5 Q^2/C or .5QV
1/((1/C)+(1/C)..........)
elastic collision
(EMF)Rt/10

31. formula for impluse involving time
joules/second
dSintheta=mwavelength
J= Ft
perfectly inelastic collision

32. formula for energy of a spring mass when spring is at maximum displacement
.5KA^2
.5mV^2 + .5KA^2
hc/wavelength
h/wavelength

33. formula for constructive interference in a thin membrane with two phase changes
(Wnet)/(Qin)
2nt=mwavelength
Joules/Columb
K |q||Q|/r^2

34. formula for critical angle
(N2)/(N1)
inelastic collision
net work = delta K
nSintheta=nsintheta

35. velocity of a molecule of gas
J= Ft
Columbs/second
V^2=(Vo)^2 +2a*change in x
sqrt(3KT/m)

36. change in internal energy during a cyclic process
0
AV=(A2)(V2)
Columbs/second
J= Ft

37. the units of power other than watts
no temp change
(Patm) + (Pgauge)
joules/second
k|Q|/r^2

38. formula for finding the qacceleration due to gravity at the surface of a planet of mass M and diameter d
Ed=V
perfectly inelastic collision
G M/((d/2)^2)
1/2wavelength

39. natural frequency of a closed tube of length L
sqrt(T/(m/))
(I^2)RT
(I^2)R
1/4wavelength

40. isobaric
.5CV^2 or .5 Q^2/C or .5QV
Joules/Columb
((Th) -(Tl))/(Th)
constant pressure

41. formula for Carnot efficiency
joules/second
((Th) -(Tl))/(Th)
dSintheta=mwavelength
elastic collision

42. formula to find the gauge pressure at the bottom of a pool
mV -m(Vo)
roegh
nSintheta=nsintheta
pL/A

43. formula for constructive interference in a diffraction grating
BA
dSintheta=mwavelength
opposite motion
GM*M/(r^2)

44. isometric
constant volume
K |q||Q|/r^2
h/wavelength
h/mv

45. resistance of a wire
no force (right hand rule)
0
L -LCostheta
pL/A

46. formula for power with current and voltage
(EMF)Rt/10
h/wavelength
VI
G M/((d/2)^2)

47. formula for finding the momentum of a photon
h(Fo)
h/wavelength
.5CV^2 or .5 Q^2/C or .5QV
elastic collision

48. heat during a cyclic process (net heat)
V+IR
(Wnet)/(Qin)
deltaU -deltaW
roegh

49. formula for impulse involving momentum
2nt=mwavelength
mV -m(Vo)
sqrt(3KT/m)
sqrt(T/(m/))

50. the force on a charge moving parallel to a magnetic field
(Wnet)/(Qin)
(1/Do) + (1/Di) = (1/f)
no force (right hand rule)
V^2=(Vo)^2 +2a*change in x