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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. isobaric
constant pressure
((Th) -(Tl))/(Th)
Columbs/second
no force (right hand rule)

2. formula for Carnot efficiency
V+IR
((Th) -(Tl))/(Th)
1/((1/C)+(1/C)..........)
frequency never changes for light problems

3. velocity of a molecule of gas
sqrt(3KT/m)
e=mc^2
roegh
G M/((d/2)^2)

4. heat required to change temperature of a substance
rF
qV
MC(deltaT)
h/mv

5. radius of curvature of a charged particle as it enters a uniform magnetic field
(V^2)/R
VI
m(v^2)/qvB
no force (right hand rule)

6. formula for current through the resistor when the ten coils are removed from the B field in an amount of time t
qrB/m
(EMF)Rt/10
elastic collision
qE

7. resistance of a wire
pL/A
Joules/Columb
K |q||Q|/r^2
(Fn)(mu)

8. heat during an isometric process
h(Fo)
n(Cv)(deltaT)
sqrt(T/(m/))
qVB

9. heat during a cyclic process (net heat)
V^2=(Vo)^2 +2a*change in x
deltaU -deltaW
Columbs/second
(Di)/(Do) or (Hi)/(Ho)

10. formula for the wavelength (debroglie wavelength) of a moving particle
1/((1/C)+(1/C)..........)
h/mv
.5CV^2 or .5 Q^2/C or .5QV
1/2wavelength

11. electric field in a distance r from a charge
joules/second
k|Q|/r^2
n(Cv)(deltaT)
(3/2)nRdeltaT

12. velocity of a charge traveling at a constant veloc ity through crossed E and B fields
E/B
nSintheta=nsintheta
AV=(A2)(V2)
.5mV^2 + .5KA^2

13. force of frction on an incline
mgCostheta(mu)d
2Pi * sqrt(l/g)
V+IR
GM*M/(r^2)

14. formula for critical angle
constant pressure
(N2)/(N1)
opposite motion
V = (Vo) + at

15. formula for power with current and voltage
mgCostheta(mu)d
roeVg
1/((1/C)+(1/C)..........)
VI

16. formula for finding the stopping potential of a metal for a wavelength if the cutoff frequency is known
1/2wavelength
(hc/wavelength)=h(Fo) +(Vs)
(EMF)Rt/10
(V^2)/R

17. formula for finding magnetic flux
(hc/wavelength)=h(Fo) +(Vs)
nSintheta=nsintheta
K |q||Q|/r^2
BA

18. formula for efficiency of a heat engine using work out
(Wnet)/(Qin)
constant volume
V = (Vo) + at
.5CV^2 or .5 Q^2/C or .5QV

19. isothermal
K |q||Q|/r^2
qV
h/wavelength
no temp change

20. third kinematic
M(Lf)
net work = delta K
V^2=(Vo)^2 +2a*change in x
.5CV^2 or .5 Q^2/C or .5QV

21. formula for energy of a spring mass when spring is neither at maximum displacement nor at equilibrium
.5mV^2 + .5KA^2
((Qin) -(Qout))/(Qin)
VI
h/wavelength

22. formula for torque
rF
(EMF)Rt/10
E/B
(I^2)RT

23. total capacitance of capacitors in series
roegh
(Wnet)/(Qin)
1/((1/C)+(1/C)..........)
AV=(A2)(V2)

24. the force on a charge in an electric field
qE
(3/2)nRdeltaT
V = (Vo) + at
qrB/m

25. formula used to find the heat generated by a resistor after a certain amount of time if the current through the resistor is known
(Patm) + (Pgauge)
qVB
(I^2)RT
0

26. formula for period of a pendulum
k|Q|/r^2
2nt=mwavelength
2Pi * sqrt(l/g)
(V^2)/r

27. EMF of a battery having internal resistance R
V+IR
BLv
-KA
e=mc^2

28. formula for constructive interference in a diffraction grating
((Qin) -(Qout))/(Qin)
hc/wavelength
dSintheta=mwavelength
(3/2)nRdeltaT

29. formula to find the absoluate pressure at the bottom of a pool
(Patm) + (Pgauge)
(V^2)/r
(I^2)R
delta x = (Vo)t + .5at^2

30. formula to find the gauge pressure at the bottom of a pool
G M/((d/2)^2)
elastic collision
roegh
AV=(A2)(V2)

31. formula for constructive interference in a thin membrane with two phase changes
2nt=mwavelength
VI
k|Q|/r^2
roeVg

32. energy stored in a capacitor
(Wnet)/(Qin)
.5CV^2 or .5 Q^2/C or .5QV
M(Lf)
Joules/Columb

33. formula for power with current and resistance
delta x = (Vo)t + .5at^2
(No)(wavelength)=(Nn)(new wavelength)
qVB
(I^2)R

34. formula relating voltage and electric field
qrB/m
dSintheta=mwavelength
h/mv
Ed=V

35. formula equating energy and mass
e=mc^2
deltaU = deltaQ + deltaW
(Fn)(mu)
AV=(A2)(V2)

36. formula for finding the energy required to move a charged particle from infinity to a point a certain distance away from a charged particle
delta x = (Vo)t + .5at^2
-KA
qV
(EMF)Rt/10

37. formula for centripetal acceleration
GM*M/(r^2)
m(v^2)/qvB
-KA
(V^2)/r

38. heat required to melt a substance
1/((1/C)+(1/C)..........)
M(Lf)
(V^2)/R
2nt=mwavelength

39. lens/mirror equation
0
delta x = (Vo)t + .5at^2
(1/Do) + (1/Di) = (1/f)
frequency never changes for light problems

40. first kinematic
(Di)/(Do) or (Hi)/(Ho)
FV
1/4wavelength
V = (Vo) + at

41. new wavelength of light as it enters a new substance
qVB
delta x = (Vo)t + .5at^2
sqrt(3KT/m)
(No)(wavelength)=(Nn)(new wavelength)

42. snells law
(EMF)Rt/10
constant volume
nSintheta=nsintheta
Joules/Columb

43. electric potential a distance r from a charge
inelastic collision
(Patm) + (Pgauge)
KQ/r
V^2=(Vo)^2 +2a*change in x

44. formula for finding the work function of a metal if the cutoff frequency is known
h(Fo)
(hc/wavelength)=h(Fo) +(Vs)
.5KA^2
m(v^2)/qvB

45. energy of a photon if wavelength is known
mV -m(Vo)
d/2
1/((1/C)+(1/C)..........)
hc/wavelength

46. equation of continuity
1/((1/C)+(1/C)..........)
(Fn)(mu)
E/B
AV=(A2)(V2)

47. velocity of an electrion as it exitws from the hole
qrB/m
-KA
1/((1/C)+(1/C)..........)
V^2=(Vo)^2 +2a*change in x

48. formula for finding the magnetic field a distance r from a current carrying wire
KI/r
E/B
V = (Vo) + at
V+IR

49. the units of current other than amps
(Di)/(Do) or (Hi)/(Ho)
Columbs/second
h/mv
perfectly inelastic collision

50. formula for impulse involving momentum
no temp change
-KA
sqrt(3KT/m)
mV -m(Vo)