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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. new frequency of light as it enters a new substance
Q=CV
frequency never changes for light problems
BA
deltaU -deltaW

2. force of friction
Columbs/second
net work = delta K
(Fn)(mu)
V = (Vo) + at

3. the units of power other than watts
joules/second
elastic collision
MC(deltaT)
2nt=mwavelength

4. total capacitance of capacitors in series
1/((1/C)+(1/C)..........)
elastic collision
mgCostheta(mu)d
1/2wavelength

5. heat required to change temperature of a substance
constant pressure
BLv
no force (right hand rule)
MC(deltaT)

6. formula for current through the resistor when the ten coils are removed from the B field in an amount of time t
no temp change
(EMF)Rt/10
Joules/Columb
VI

7. energy stored in a capacitor
V^2=(Vo)^2 +2a*change in x
.5CV^2 or .5 Q^2/C or .5QV
elastic collision
net work = delta K

8. the force on a charge in an electric field
(V^2)/R
qE
roeVg
elastic collision

9. third kinematic
(No)(wavelength)=(Nn)(new wavelength)
(V^2)/r
V^2=(Vo)^2 +2a*change in x
Columbs/second

10. formula to find the gauge pressure at the bottom of a pool
opposite motion
Ed=V
perfectly inelastic collision
roegh

11. formula for the wavelength (debroglie wavelength) of a moving particle
inelastic collision
2nt=mwavelength
G M/((d/2)^2)
h/mv

12. voltage induced in a rod moving through a uniform magnetic field
BLv
m(v^2)/qvB
(hc/wavelength)=h(Fo) +(Vs)
(Wnet)/(Qin)

13. hooke's law force of a spring
-KA
frequency never changes for light problems
(Patm) + (Pgauge)
dSintheta=mwavelength

14. formula for finding the qacceleration due to gravity at the surface of a planet of mass M and diameter d
(hc/wavelength)=h(Fo) +(Vs)
G M/((d/2)^2)
V^2=(Vo)^2 +2a*change in x
sqrt(3KT/m)

15. type of collision where objects stick togerther
perfectly inelastic collision
deltaU -deltaW
((Th) -(Tl))/(Th)
(V^2)/r

16. formula for impulse involving momentum
delta x = (Vo)t + .5at^2
mV -m(Vo)
(Di)/(Do) or (Hi)/(Ho)
(I^2)RT

17. formula for change in internal energy in a cosnstat volume PV process
F/A
dSintheta=mwavelength
(3/2)nRdeltaT
((Th) -(Tl))/(Th)

18. force of gravity between two objects of mass m
KQ/r
(Fn)(mu)
mgCostheta(mu)d
GM*M/(r^2)

19. energy of a photon if wavelength is known
E/B
sqrt(3KT/m)
hc/wavelength
(Patm) + (Pgauge)

20. velocity of a charge traveling at a constant veloc ity through crossed E and B fields
Q=CV
E/B
(Wnet)/(Qin)
KQ/r

21. formula for efficiency of a heat engine using work out
(Wnet)/(Qin)
KQ/r
Columbs/second
V+IR

22. formula for impluse involving time
J= Ft
(V^2)/R
F/A
no heat flow

23. formula for height of the block (at the start of a pendulum string) in terms of theta and L
L -LCostheta
G M/((d/2)^2)
k|Q|/r^2
(V^2)/R

24. the force on a charge moving parallel to a magnetic field
MC(deltaT)
h(Fo)
.5CV^2 or .5 Q^2/C or .5QV
no force (right hand rule)

25. natural frequency of an open tube of length L
1/2wavelength
e=mc^2
V = (Vo) + at
BA

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

27. velocity of an electrion as it exitws from the hole
V = (Vo) + at
deltaU -deltaW
qrB/m
G M/((d/2)^2)

28. formula for torque
roeVg
rF
pL/A
2Pi * sqrt(l/g)

29. formula for finding the energy required to move a charged particle from infinity to a point a certain distance away from a charged particle
1/2wavelength
(hc/wavelength)=h(Fo) +(Vs)
qV
((Qin) -(Qout))/(Qin)

30. formula for centripetal acceleration
inelastic collision
(V^2)/r
nSintheta=nsintheta
(N2)/(N1)

31. isothermal
BA
no temp change
2Pi * sqrt(l/g)
e=mc^2

32. force of frction on an incline
.5CV^2 or .5 Q^2/C or .5QV
mgCostheta(mu)d
E/B
(Patm) + (Pgauge)

33. resistance of a wire
roeVg
pL/A
(EMF)Rt/10
BA

34. electric potential a distance r from a charge
perfectly inelastic collision
KQ/r
no heat flow
hc/wavelength

35. second kinematic
delta x = (Vo)t + .5at^2
(I^2)RT
dSintheta=mwavelength
V = (Vo) + at

36. snells law
(V^2)/r
(I^2)RT
nSintheta=nsintheta
L -LCostheta

37. formula for power with current and resistance
Joules/Columb
(I^2)R
perfectly inelastic collision
h/wavelength

38. formula for energy of a spring mass when spring is at maximum displacement
((Qin) -(Qout))/(Qin)
(No)(wavelength)=(Nn)(new wavelength)
rF
.5KA^2

39. heat during an isometric process
no heat flow
rF
n(Cv)(deltaT)
KI/r

40. formula equating energy and mass
e=mc^2
roegh
h/mv
KI/r

41. magnification equation
h(Fo)
rF
(Di)/(Do) or (Hi)/(Ho)
qrB/m

42. formula for efficiency not using work out
(I^2)RT
((Qin) -(Qout))/(Qin)
net work = delta K
V = (Vo) + at

43. new wavelength of light as it enters a new substance
(No)(wavelength)=(Nn)(new wavelength)
0
nSintheta=nsintheta
constant volume

44. radius of curvature of a charged particle as it enters a uniform magnetic field
roegh
m(v^2)/qvB
(1/Do) + (1/Di) = (1/f)
opposite motion

45. velocity of a molecule of gas
V = (Vo) + at
(1/Do) + (1/Di) = (1/f)
sqrt(3KT/m)
d/2

46. electric field in a distance r from a charge
k|Q|/r^2
.5CV^2 or .5 Q^2/C or .5QV
roeVg
K |q||Q|/r^2

47. heat during a cyclic process (net heat)
(Di)/(Do) or (Hi)/(Ho)
joules/second
sqrt(3KT/m)
deltaU -deltaW

48. EMF of a battery having internal resistance R
0
V+IR
qV
(N2)/(N1)

49. formula relating voltage and electric field
Ed=V
1/2wavelength
nSintheta=nsintheta
frequency never changes for light problems

50. lens/mirror equation
sqrt(T/(m/))
h(Fo)
(1/Do) + (1/Di) = (1/f)
mV -m(Vo)