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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 required to change temperature of a substance
2Pi * sqrt(l/g)
((Th) -(Tl))/(Th)
(3/2)nRdeltaT
MC(deltaT)

2. electric potential a distance r from a charge
KQ/r
(3/2)nRdeltaT
qVB
Columbs/second

3. formula for impulse involving momentum
mV -m(Vo)
d/2
(Patm) + (Pgauge)
qrB/m

4. voltage induced in a rod moving through a uniform magnetic field
BLv
delta x = (Vo)t + .5at^2
deltaU -deltaW
n(Cv)(deltaT)

5. force of gravity between two objects of mass m
GM*M/(r^2)
frequency never changes for light problems
KI/r
Q=CV

6. velocity of an electrion as it exitws from the hole
(EMF)Rt/10
net work = delta K
qrB/m
e=mc^2

7. isometric
V+IR
constant volume
V = (Vo) + at
(V^2)/r

8. formula relating voltage and electric field
(I^2)RT
F/A
1/2wavelength
Ed=V

9. formula for buoyant force
KQ/r
k|Q|/r^2
roeVg
delta x = (Vo)t + .5at^2

10. natural frequency of an open tube of length L
(EMF)Rt/10
1/2wavelength
((Th) -(Tl))/(Th)
frequency never changes for light problems

11. formula for power with current and voltage
dSintheta=mwavelength
constant pressure
VI
(Fn)(mu)

12. pressure
K |q||Q|/r^2
F/A
KI/r
(Fn)(mu)

13. type of collision where K is not conserved
roegh
n(Cv)(deltaT)
m(v^2)/qvB
inelastic collision

14. formula for charge stored in a capciator
-KA
(EMF)Rt/10
Q=CV
inelastic collision

15. formula for finding magnetic flux
2nt=mwavelength
BA
frequency never changes for light problems
0

16. formula for finding the work function of a metal if the cutoff frequency is known
h(Fo)
constant volume
MC(deltaT)
inelastic collision

17. radius of curvature of a charged particle as it enters a uniform magnetic field
perfectly inelastic collision
m(v^2)/qvB
hc/wavelength
(hc/wavelength)=h(Fo) +(Vs)

18. formula for finding the energy required to move a charged particle from infinity to a point a certain distance away from a charged particle
qV
qVB
(EMF)Rt/10
no temp change

19. equation for the first law of thermodynamics
0
BA
mV -m(Vo)
deltaU = deltaQ + deltaW

20. EMF of a battery having internal resistance R
qrB/m
mgCostheta(mu)d
V+IR
dSintheta=mwavelength

21. type of collision where objects stick togerther
M(Lf)
1/((1/C)+(1/C)..........)
perfectly inelastic collision
0

22. lens/mirror equation
(1/Do) + (1/Di) = (1/f)
Columbs/second
opposite motion
0

23. second kinematic
VI
rF
delta x = (Vo)t + .5at^2
e=mc^2

24. force of frction on an incline
d/2
rF
mgCostheta(mu)d
.5CV^2 or .5 Q^2/C or .5QV

25. equation of continuity
AV=(A2)(V2)
M(Lf)
2nt=mwavelength
2Pi * sqrt(l/g)

26. formula for change in internal energy in a cosnstat volume PV process
qV
Ed=V
(3/2)nRdeltaT
((Th) -(Tl))/(Th)

27. formula for the wavelength (debroglie wavelength) of a moving particle
Joules/Columb
1/4wavelength
h/mv
qE

28. total capacitance of capacitors in series
1/((1/C)+(1/C)..........)
(No)(wavelength)=(Nn)(new wavelength)
VI
(Wnet)/(Qin)

29. formula for constructive interference in a diffraction grating
KI/r
qVB
dSintheta=mwavelength
inelastic collision

30. formula for critical angle
BLv
(N2)/(N1)
joules/second
((Th) -(Tl))/(Th)

31. formula for finding the stopping potential of a metal for a wavelength if the cutoff frequency is known
(hc/wavelength)=h(Fo) +(Vs)
sqrt(T/(m/))
opposite motion
h/mv

32. formula used to find the heat generated by a resistor after a certain amount of time if the current through the resistor is known
(1/Do) + (1/Di) = (1/f)
d/2
(I^2)RT
e=mc^2

33. work energy theorum
Joules/Columb
.5CV^2 or .5 Q^2/C or .5QV
Columbs/second
net work = delta K

34. change in internal energy during a cyclic process
(1/Do) + (1/Di) = (1/f)
(No)(wavelength)=(Nn)(new wavelength)
0
M(Lf)

35. the force on a charge in an electric field
.5mV^2 + .5KA^2
qE
qV
(1/Do) + (1/Di) = (1/f)

36. formula for finding the qacceleration due to gravity at the surface of a planet of mass M and diameter d
(N2)/(N1)
constant volume
h/wavelength
G M/((d/2)^2)

37. new frequency of light as it enters a new substance
deltaU = deltaQ + deltaW
frequency never changes for light problems
1/4wavelength
constant volume

38. isothermal
BA
roeVg
no temp change
M(Lf)

39. formula for efficiency not using work out
((Qin) -(Qout))/(Qin)
delta x = (Vo)t + .5at^2
qE
nSintheta=nsintheta

40. electric field in a distance r from a charge
k|Q|/r^2
(3/2)nRdeltaT
M(Lf)
GM*M/(r^2)

41. force of friction
M(Lf)
Joules/Columb
2Pi * sqrt(l/g)
(Fn)(mu)

42. the units of power other than watts
2Pi * sqrt(l/g)
joules/second
-KA
pL/A

43. heat during an isometric process
n(Cv)(deltaT)
frequency never changes for light problems
sqrt(3KT/m)
sqrt(T/(m/))

44. adibatic
F/A
qrB/m
BA
no heat flow

45. energy stored in a capacitor
.5CV^2 or .5 Q^2/C or .5QV
2Pi * sqrt(l/g)
V+IR
KI/r

46. resistance of a wire
(N2)/(N1)
.5KA^2
nSintheta=nsintheta
pL/A

47. formula to find the absoluate pressure at the bottom of a pool
VI
mV -m(Vo)
(Patm) + (Pgauge)
.5mV^2 + .5KA^2

48. formula for efficiency of a heat engine using work out
(Wnet)/(Qin)
(V^2)/R
AV=(A2)(V2)
E/B

49. focal length of a mirror with radius d
delta x = (Vo)t + .5at^2
d/2
no heat flow
(I^2)R

50. formula for centripetal acceleration
no force (right hand rule)
MC(deltaT)
(V^2)/r
-KA