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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. heat during an isometric process
constant volume
h/wavelength
(No)(wavelength)=(Nn)(new wavelength)
n(Cv)(deltaT)

2. isobaric
Ed=V
.5KA^2
constant pressure
sqrt(3KT/m)

3. natural frequency of an open tube of length L
1/2wavelength
net work = delta K
GM*M/(r^2)
roegh

4. formula for finding the momentum of a photon
J= Ft
inelastic collision
h/wavelength
BA

5. formula for finding the energy required to move a charged particle from infinity to a point a certain distance away from a charged particle
L -LCostheta
(3/2)nRdeltaT
qV
FV

6. heat required to change temperature of a substance
MC(deltaT)
((Qin) -(Qout))/(Qin)
Joules/Columb
1/2wavelength

7. force of friction
((Th) -(Tl))/(Th)
(1/Do) + (1/Di) = (1/f)
2Pi * sqrt(l/g)
(Fn)(mu)

8. the force on a charge in an electric field
((Qin) -(Qout))/(Qin)
qE
constant pressure
Q=CV

9. formula for impulse involving momentum
(Di)/(Do) or (Hi)/(Ho)
e=mc^2
K |q||Q|/r^2
mV -m(Vo)

10. velocity of an electrion as it exitws from the hole
joules/second
(V^2)/r
rF
qrB/m

11. velocity of waves on a string if tension is known
sqrt(T/(m/))
(hc/wavelength)=h(Fo) +(Vs)
((Qin) -(Qout))/(Qin)
(V^2)/R

12. pressure
F/A
hc/wavelength
no force (right hand rule)
.5CV^2 or .5 Q^2/C or .5QV

13. radius of curvature of a charged particle as it enters a uniform magnetic field
(Patm) + (Pgauge)
.5KA^2
m(v^2)/qvB
2Pi * sqrt(l/g)

14. what direction is friction?
-KA
V = (Vo) + at
opposite motion
(I^2)RT

15. velocity of a molecule of gas
sqrt(3KT/m)
pL/A
(V^2)/r
(Di)/(Do) or (Hi)/(Ho)

16. formula relating voltage and electric field
KI/r
Ed=V
k|Q|/r^2
Columbs/second

17. type of collision where objects stick togerther
no temp change
d/2
perfectly inelastic collision
sqrt(3KT/m)

18. heat required to melt a substance
pL/A
(Wnet)/(Qin)
(No)(wavelength)=(Nn)(new wavelength)
M(Lf)

19. formula for constructive interference in a diffraction grating
opposite motion
BA
dSintheta=mwavelength
(Fn)(mu)

20. formula for impluse involving time
(hc/wavelength)=h(Fo) +(Vs)
J= Ft
-KA
opposite motion

21. formula to find the gauge pressure at the bottom of a pool
roegh
G M/((d/2)^2)
Joules/Columb
Columbs/second

22. formula for buoyant force
m(v^2)/qvB
roeVg
VI
mgCostheta(mu)d

23. equation of continuity
AV=(A2)(V2)
.5CV^2 or .5 Q^2/C or .5QV
G M/((d/2)^2)
(N2)/(N1)

24. formula for change in internal energy in a cosnstat volume PV process
((Qin) -(Qout))/(Qin)
no heat flow
qE
(3/2)nRdeltaT

25. formula equating energy and mass
e=mc^2
(hc/wavelength)=h(Fo) +(Vs)
K |q||Q|/r^2
1/((1/C)+(1/C)..........)

26. the force on a charge moving parallel to a magnetic field
no force (right hand rule)
(V^2)/r
(N2)/(N1)
deltaU -deltaW

27. formula for current through the resistor when the ten coils are removed from the B field in an amount of time t
n(Cv)(deltaT)
AV=(A2)(V2)
(EMF)Rt/10
GM*M/(r^2)

28. EMF of a battery having internal resistance R
(I^2)RT
sqrt(3KT/m)
.5mV^2 + .5KA^2
V+IR

29. formula for energy of a spring mass when spring is at maximum displacement
.5KA^2
.5CV^2 or .5 Q^2/C or .5QV
dSintheta=mwavelength
BLv

30. units for voltage other than volts
KI/r
sqrt(3KT/m)
roeVg
Joules/Columb

31. energy of a photon if wavelength is known
hc/wavelength
mgCostheta(mu)d
VI
nSintheta=nsintheta

32. the units of power other than watts
qV
joules/second
(hc/wavelength)=h(Fo) +(Vs)
(EMF)Rt/10

33. snells law
J= Ft
GM*M/(r^2)
nSintheta=nsintheta
hc/wavelength

34. forgotten power equation
1/4wavelength
(1/Do) + (1/Di) = (1/f)
BLv
FV

35. heat during a cyclic process (net heat)
deltaU = deltaQ + deltaW
deltaU -deltaW
.5CV^2 or .5 Q^2/C or .5QV
no heat flow

36. formula to find the absoluate pressure at the bottom of a pool
Ed=V
(1/Do) + (1/Di) = (1/f)
(Patm) + (Pgauge)
(Fn)(mu)

37. formula for finding the magnetic field a distance r from a current carrying wire
sqrt(T/(m/))
h(Fo)
deltaU = deltaQ + deltaW
KI/r

38. change in internal energy during a cyclic process
h/mv
delta x = (Vo)t + .5at^2
(Di)/(Do) or (Hi)/(Ho)
0

39. adibatic
K |q||Q|/r^2
mgCostheta(mu)d
k|Q|/r^2
no heat flow

40. formula for power with current and resistance
(V^2)/r
.5mV^2 + .5KA^2
L -LCostheta
(I^2)R

41. type of collision where K is conserved
net work = delta K
elastic collision
no force (right hand rule)
m(v^2)/qvB

42. formula for finding the work function of a metal if the cutoff frequency is known
rF
KI/r
(No)(wavelength)=(Nn)(new wavelength)
h(Fo)

43. voltage induced in a rod moving through a uniform magnetic field
BLv
nSintheta=nsintheta
roeVg
rF

44. work energy theorum
qE
qV
m(v^2)/qvB
net work = delta K

45. third kinematic
V^2=(Vo)^2 +2a*change in x
(Di)/(Do) or (Hi)/(Ho)
h(Fo)
deltaU -deltaW

46. force a charge in a Bfield
qVB
opposite motion
Q=CV
Joules/Columb

47. type of collision where K is not conserved
Columbs/second
inelastic collision
FV
((Qin) -(Qout))/(Qin)

48. resistance of a wire
pL/A
roeVg
(3/2)nRdeltaT
K |q||Q|/r^2

49. total capacitance of capacitors in series
n(Cv)(deltaT)
1/((1/C)+(1/C)..........)
1/2wavelength
.5CV^2 or .5 Q^2/C or .5QV

50. equation for the first law of thermodynamics
(N2)/(N1)
net work = delta K
deltaU = deltaQ + deltaW
(1/Do) + (1/Di) = (1/f)