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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. heat during a cyclic process (net heat)
V = (Vo) + at
qV
Columbs/second
deltaU -deltaW

2. resistance of a wire
e=mc^2
V^2=(Vo)^2 +2a*change in x
delta x = (Vo)t + .5at^2
pL/A

3. formula for period of a pendulum
qE
2Pi * sqrt(l/g)
GM*M/(r^2)
1/2wavelength

4. the electric force between two objects of charge Q
deltaU -deltaW
(I^2)RT
(1/Do) + (1/Di) = (1/f)
K |q||Q|/r^2

5. formula for energy of a spring mass when spring is at maximum displacement
e=mc^2
L -LCostheta
.5KA^2
constant volume

6. velocity of waves on a string if tension is known
constant pressure
((Th) -(Tl))/(Th)
sqrt(T/(m/))
frequency never changes for light problems

7. lens/mirror equation
qE
(1/Do) + (1/Di) = (1/f)
perfectly inelastic collision
pL/A

8. formula for change in internal energy in a cosnstat volume PV process
elastic collision
k|Q|/r^2
(3/2)nRdeltaT
KI/r

9. equation of continuity
qVB
AV=(A2)(V2)
Joules/Columb
E/B

10. formula for critical angle
(N2)/(N1)
AV=(A2)(V2)
deltaU = deltaQ + deltaW
d/2

11. formula for charge stored in a capciator
(Fn)(mu)
h/mv
mgCostheta(mu)d
Q=CV

12. formula for centripetal acceleration
(V^2)/r
qV
1/2wavelength
V^2=(Vo)^2 +2a*change in x

13. velocity of a charge traveling at a constant veloc ity through crossed E and B fields
constant pressure
joules/second
dSintheta=mwavelength
E/B

14. change in internal energy during a cyclic process
(Patm) + (Pgauge)
0
qVB
(N2)/(N1)

15. second kinematic
mgCostheta(mu)d
.5CV^2 or .5 Q^2/C or .5QV
delta x = (Vo)t + .5at^2
roegh

16. type of collision where objects stick togerther
hc/wavelength
2Pi * sqrt(l/g)
(Di)/(Do) or (Hi)/(Ho)
perfectly inelastic collision

17. the units of power other than watts
joules/second
M(Lf)
K |q||Q|/r^2
.5KA^2

18. voltage induced in a rod moving through a uniform magnetic field
V^2=(Vo)^2 +2a*change in x
k|Q|/r^2
2Pi * sqrt(l/g)
BLv

19. formula for constructive interference in a diffraction grating
dSintheta=mwavelength
BA
hc/wavelength
d/2

20. isothermal
K |q||Q|/r^2
(3/2)nRdeltaT
no temp change
no heat flow

21. velocity of a molecule of gas
0
perfectly inelastic collision
sqrt(3KT/m)
.5CV^2 or .5 Q^2/C or .5QV

22. energy of a photon if wavelength is known
hc/wavelength
qVB
MC(deltaT)
(Patm) + (Pgauge)

23. formula for impulse involving momentum
L -LCostheta
e=mc^2
mV -m(Vo)
M(Lf)

24. formula for Carnot efficiency
((Th) -(Tl))/(Th)
BA
roegh
no heat flow

25. formula to find the gauge pressure at the bottom of a pool
rF
pL/A
roegh
qVB

26. pressure
V^2=(Vo)^2 +2a*change in x
Columbs/second
F/A
(N2)/(N1)

27. formula for the wavelength (debroglie wavelength) of a moving particle
h/mv
qVB
.5KA^2
(I^2)R

28. formula for buoyant force
constant pressure
1/((1/C)+(1/C)..........)
rF
roeVg

29. new wavelength of light as it enters a new substance
(No)(wavelength)=(Nn)(new wavelength)
FV
0
deltaU -deltaW

30. type of collision where K is not conserved
VI
V = (Vo) + at
AV=(A2)(V2)
inelastic collision

31. focal length of a mirror with radius d
Ed=V
m(v^2)/qvB
hc/wavelength
d/2

32. new frequency of light as it enters a new substance
2nt=mwavelength
frequency never changes for light problems
V+IR
Joules/Columb

33. formula for torque
no force (right hand rule)
rF
n(Cv)(deltaT)
V = (Vo) + at

34. formula to find the absoluate pressure at the bottom of a pool
((Qin) -(Qout))/(Qin)
V+IR
(Patm) + (Pgauge)
sqrt(3KT/m)

35. formula for power with Voltage and resistance
V = (Vo) + at
(V^2)/R
no heat flow
G M/((d/2)^2)

36. formula for finding the momentum of a photon
pL/A
h/wavelength
(N2)/(N1)
d/2

37. formula for energy of a spring mass when spring is neither at maximum displacement nor at equilibrium
2nt=mwavelength
mgCostheta(mu)d
.5mV^2 + .5KA^2
d/2

38. the force on a charge moving parallel to a magnetic field
mV -m(Vo)
frequency never changes for light problems
no force (right hand rule)
Columbs/second

39. formula for power with current and voltage
VI
n(Cv)(deltaT)
(V^2)/R
(EMF)Rt/10

40. formula for finding the magnetic field a distance r from a current carrying wire
KI/r
(Fn)(mu)
BA
2nt=mwavelength

41. hooke's law force of a spring
roeVg
delta x = (Vo)t + .5at^2
-KA
frequency never changes for light problems

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
(V^2)/R
.5KA^2
(I^2)RT
Joules/Columb

43. third kinematic
sqrt(T/(m/))
V^2=(Vo)^2 +2a*change in x
m(v^2)/qvB
roegh

44. formula for finding magnetic flux
-KA
e=mc^2
(No)(wavelength)=(Nn)(new wavelength)
BA

45. EMF of a battery having internal resistance R
(V^2)/r
(1/Do) + (1/Di) = (1/f)
V+IR
(3/2)nRdeltaT

46. formula for constructive interference in a thin membrane with two phase changes
Columbs/second
opposite motion
2nt=mwavelength
qE

47. electric potential a distance r from a charge
((Th) -(Tl))/(Th)
MC(deltaT)
AV=(A2)(V2)
KQ/r

48. isobaric
qV
m(v^2)/qvB
constant pressure
E/B

49. equation for the first law of thermodynamics
(1/Do) + (1/Di) = (1/f)
(Patm) + (Pgauge)
deltaU = deltaQ + deltaW
elastic collision

50. natural frequency of an open tube of length L
1/2wavelength
KI/r
FV
2nt=mwavelength