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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.
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. formula equating energy and mass
e=mc^2
inelastic collision
(EMF)Rt/10
k|Q|/r^2

2. electric field in a distance r from a charge
constant volume
k|Q|/r^2
L -LCostheta
VI

3. voltage induced in a rod moving through a uniform magnetic field
nSintheta=nsintheta
BLv
F/A
L -LCostheta

4. formula for energy of a spring mass when spring is at maximum displacement
.5KA^2
V = (Vo) + at
.5CV^2 or .5 Q^2/C or .5QV
2Pi * sqrt(l/g)

5. formula for charge stored in a capciator
V^2=(Vo)^2 +2a*change in x
(hc/wavelength)=h(Fo) +(Vs)
Q=CV
AV=(A2)(V2)

6. velocity of waves on a string if tension is known
(V^2)/r
sqrt(T/(m/))
mgCostheta(mu)d
.5KA^2

7. formula for energy of a spring mass when spring is neither at maximum displacement nor at equilibrium
perfectly inelastic collision
.5mV^2 + .5KA^2
qVB
(I^2)R

8. new frequency of light as it enters a new substance
F/A
2nt=mwavelength
frequency never changes for light problems
((Th) -(Tl))/(Th)

9. 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
(EMF)Rt/10
h/wavelength
KI/r

10. force of frction on an incline
(EMF)Rt/10
pL/A
mgCostheta(mu)d
.5CV^2 or .5 Q^2/C or .5QV

11. isobaric
k|Q|/r^2
2nt=mwavelength
constant pressure
1/2wavelength

12. new wavelength of light as it enters a new substance
(Patm) + (Pgauge)
sqrt(3KT/m)
(No)(wavelength)=(Nn)(new wavelength)
V = (Vo) + at

13. force of gravity between two objects of mass m
GM*M/(r^2)
((Th) -(Tl))/(Th)
dSintheta=mwavelength
constant volume

14. formula for finding the momentum of a photon
h/wavelength
(Patm) + (Pgauge)
V = (Vo) + at
h/mv

15. snells law
nSintheta=nsintheta
e=mc^2
VI
.5CV^2 or .5 Q^2/C or .5QV

16. what direction is friction?
qE
opposite motion
qV
J= Ft

17. equation for the first law of thermodynamics
(Di)/(Do) or (Hi)/(Ho)
E/B
deltaU = deltaQ + deltaW
KI/r

18. second kinematic
BLv
.5CV^2 or .5 Q^2/C or .5QV
2Pi * sqrt(l/g)
delta x = (Vo)t + .5at^2

19. formula for finding magnetic flux
(No)(wavelength)=(Nn)(new wavelength)
mV -m(Vo)
opposite motion
BA

20. total capacitance of capacitors in series
Ed=V
qVB
M(Lf)
1/((1/C)+(1/C)..........)

21. formula for power with current and voltage
E/B
MC(deltaT)
dSintheta=mwavelength
VI

22. electric potential a distance r from a charge
V^2=(Vo)^2 +2a*change in x
h(Fo)
KQ/r
((Qin) -(Qout))/(Qin)

23. formula for period of a pendulum
nSintheta=nsintheta
KQ/r
2Pi * sqrt(l/g)
h/mv

24. heat required to melt a substance
M(Lf)
k|Q|/r^2
KI/r
no force (right hand rule)

25. the force on a charge in an electric field
qE
((Th) -(Tl))/(Th)
mV -m(Vo)
(N2)/(N1)

26. formula for torque
h/wavelength
rF
delta x = (Vo)t + .5at^2
h(Fo)

27. isothermal
hc/wavelength
m(v^2)/qvB
V^2=(Vo)^2 +2a*change in x
no temp change

28. formula for impulse involving momentum
mV -m(Vo)
dSintheta=mwavelength
qV
n(Cv)(deltaT)

29. velocity of a charge traveling at a constant veloc ity through crossed E and B fields
no heat flow
E/B
elastic collision
delta x = (Vo)t + .5at^2

30. forgotten power equation
(3/2)nRdeltaT
FV
(1/Do) + (1/Di) = (1/f)
(I^2)R

31. magnification equation
inelastic collision
rF
V^2=(Vo)^2 +2a*change in x
(Di)/(Do) or (Hi)/(Ho)

32. heat during an isometric process
n(Cv)(deltaT)
d/2
deltaU -deltaW
(Di)/(Do) or (Hi)/(Ho)

33. first kinematic
V = (Vo) + at
.5mV^2 + .5KA^2
E/B
Ed=V

34. formula to find the absoluate pressure at the bottom of a pool
sqrt(T/(m/))
d/2
(N2)/(N1)
(Patm) + (Pgauge)

35. formula to find the gauge pressure at the bottom of a pool
(3/2)nRdeltaT
roegh
-KA
k|Q|/r^2

36. lens/mirror equation
G M/((d/2)^2)
(1/Do) + (1/Di) = (1/f)
V^2=(Vo)^2 +2a*change in x
no force (right hand rule)

37. formula for power with Voltage and resistance
inelastic collision
(V^2)/R
(N2)/(N1)
KI/r

38. the units of power other than watts
K |q||Q|/r^2
M(Lf)
joules/second
Q=CV

39. formula for constructive interference in a thin membrane with two phase changes
2nt=mwavelength
AV=(A2)(V2)
MC(deltaT)
qrB/m

40. formula for finding the magnetic field a distance r from a current carrying wire
K |q||Q|/r^2
h/wavelength
k|Q|/r^2
KI/r

41. formula for change in internal energy in a cosnstat volume PV process
h(Fo)
(3/2)nRdeltaT
.5CV^2 or .5 Q^2/C or .5QV
.5mV^2 + .5KA^2

42. formula relating voltage and electric field
(EMF)Rt/10
(No)(wavelength)=(Nn)(new wavelength)
qV
Ed=V

43. formula for efficiency not using work out
delta x = (Vo)t + .5at^2
n(Cv)(deltaT)
((Qin) -(Qout))/(Qin)
pL/A

44. radius of curvature of a charged particle as it enters a uniform magnetic field
1/4wavelength
m(v^2)/qvB
MC(deltaT)
1/2wavelength

45. type of collision where objects stick togerther
-KA
AV=(A2)(V2)
perfectly inelastic collision
K |q||Q|/r^2

46. velocity of a molecule of gas
.5mV^2 + .5KA^2
sqrt(3KT/m)
joules/second
(I^2)R

47. formula for constructive interference in a diffraction grating
sqrt(3KT/m)
1/2wavelength
dSintheta=mwavelength
mgCostheta(mu)d

48. heat required to change temperature of a substance
d/2
roeVg
mgCostheta(mu)d
MC(deltaT)

49. 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
(Wnet)/(Qin)
(Fn)(mu)
e=mc^2

50. type of collision where K is conserved
2nt=mwavelength
elastic collision
deltaU -deltaW
m(v^2)/qvB