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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. new wavelength of light as it enters a new substance
V = (Vo) + at
qrB/m
(No)(wavelength)=(Nn)(new wavelength)
VI

2. formula to find the absoluate pressure at the bottom of a pool
1/((1/C)+(1/C)..........)
(Patm) + (Pgauge)
KQ/r
E/B

3. formula for efficiency not using work out
M(Lf)
(No)(wavelength)=(Nn)(new wavelength)
((Qin) -(Qout))/(Qin)
FV

4. formula for torque
(V^2)/r
nSintheta=nsintheta
n(Cv)(deltaT)
rF

5. hooke's law force of a spring
VI
(1/Do) + (1/Di) = (1/f)
-KA
(Di)/(Do) or (Hi)/(Ho)

6. EMF of a battery having internal resistance R
V+IR
net work = delta K
2nt=mwavelength
no heat flow

7. formula for power with Voltage and resistance
sqrt(3KT/m)
sqrt(T/(m/))
(V^2)/R
FV

8. formula for period of a pendulum
(Fn)(mu)
2Pi * sqrt(l/g)
rF
pL/A

9. voltage induced in a rod moving through a uniform magnetic field
BLv
constant volume
sqrt(T/(m/))
(Patm) + (Pgauge)

10. formula for Carnot efficiency
pL/A
(I^2)RT
2Pi * sqrt(l/g)
((Th) -(Tl))/(Th)

11. formula for impluse involving time
VI
mV -m(Vo)
J= Ft
KI/r

12. new frequency of light as it enters a new substance
deltaU -deltaW
K |q||Q|/r^2
frequency never changes for light problems
GM*M/(r^2)

13. formula equating energy and mass
e=mc^2
h/mv
d/2
mV -m(Vo)

14. formula for height of the block (at the start of a pendulum string) in terms of theta and L
(EMF)Rt/10
L -LCostheta
qrB/m
V^2=(Vo)^2 +2a*change in x

15. type of collision where K is not conserved
Joules/Columb
inelastic collision
(EMF)Rt/10
(I^2)RT

16. formula for centripetal acceleration
(I^2)R
h/mv
BLv
(V^2)/r

17. formula for finding the stopping potential of a metal for a wavelength if the cutoff frequency is known
net work = delta K
1/4wavelength
(hc/wavelength)=h(Fo) +(Vs)
h(Fo)

18. formula for change in internal energy in a cosnstat volume PV process
h/wavelength
(3/2)nRdeltaT
opposite motion
rF

19. velocity of an electrion as it exitws from the hole
m(v^2)/qvB
.5mV^2 + .5KA^2
sqrt(T/(m/))
qrB/m

20. formula for finding the magnetic field a distance r from a current carrying wire
constant volume
KI/r
qVB
VI

21. formula for power with current and resistance
no force (right hand rule)
qrB/m
(I^2)R
deltaU -deltaW

22. third kinematic
pL/A
hc/wavelength
V^2=(Vo)^2 +2a*change in x
KQ/r

23. forgotten power equation
(V^2)/r
FV
h/wavelength
constant pressure

24. velocity of a molecule of gas
L -LCostheta
sqrt(3KT/m)
m(v^2)/qvB
E/B

25. formula for charge stored in a capciator
(V^2)/r
Q=CV
m(v^2)/qvB
opposite motion

26. heat during a cyclic process (net heat)
sqrt(3KT/m)
(1/Do) + (1/Di) = (1/f)
deltaU -deltaW
FV

27. formula for impulse involving momentum
rF
mV -m(Vo)
E/B
2Pi * sqrt(l/g)

28. lens/mirror equation
1/4wavelength
sqrt(3KT/m)
(1/Do) + (1/Di) = (1/f)
elastic collision

29. natural frequency of an open tube of length L
1/2wavelength
AV=(A2)(V2)
(3/2)nRdeltaT
h/wavelength

30. energy stored in a capacitor
constant volume
(V^2)/R
.5CV^2 or .5 Q^2/C or .5QV
qrB/m

31. formula for energy of a spring mass when spring is at maximum displacement
(V^2)/r
Joules/Columb
.5KA^2
KQ/r

32. electric potential a distance r from a charge
roegh
KQ/r
deltaU -deltaW
(V^2)/R

33. isobaric
2nt=mwavelength
(V^2)/r
sqrt(T/(m/))
constant pressure

34. snells law
BA
nSintheta=nsintheta
(I^2)R
((Qin) -(Qout))/(Qin)

35. heat required to change temperature of a substance
E/B
M(Lf)
MC(deltaT)
qVB

36. pressure
.5mV^2 + .5KA^2
no heat flow
F/A
KQ/r

37. isometric
elastic collision
0
constant volume
F/A

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

39. force a charge in a Bfield
delta x = (Vo)t + .5at^2
qVB
V^2=(Vo)^2 +2a*change in x
Ed=V

40. focal length of a mirror with radius d
d/2
J= Ft
frequency never changes for light problems
pL/A

41. radius of curvature of a charged particle as it enters a uniform magnetic field
L -LCostheta
m(v^2)/qvB
KQ/r
roegh

42. formula to find the gauge pressure at the bottom of a pool
(3/2)nRdeltaT
roegh
constant volume
(V^2)/r

43. formula for current through the resistor when the ten coils are removed from the B field in an amount of time t
2nt=mwavelength
constant volume
Columbs/second
(EMF)Rt/10

44. heat during an isometric process
hc/wavelength
-KA
n(Cv)(deltaT)
mV -m(Vo)

45. velocity of a charge traveling at a constant veloc ity through crossed E and B fields
(I^2)RT
E/B
d/2
m(v^2)/qvB

46. type of collision where K is conserved
elastic collision
no force (right hand rule)
e=mc^2
M(Lf)

47. second kinematic
KI/r
h/wavelength
mgCostheta(mu)d
delta x = (Vo)t + .5at^2

48. resistance of a wire
pL/A
VI
(I^2)RT
Columbs/second

49. work energy theorum
(Di)/(Do) or (Hi)/(Ho)
net work = delta K
rF
(hc/wavelength)=h(Fo) +(Vs)

50. type of collision where objects stick togerther
perfectly inelastic collision
nSintheta=nsintheta
roeVg
e=mc^2