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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. force of frction on an incline
(I^2)R
G M/((d/2)^2)
mgCostheta(mu)d
0

2. second kinematic
inelastic collision
sqrt(T/(m/))
delta x = (Vo)t + .5at^2
BLv

3. 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/Do) + (1/Di) = (1/f)
delta x = (Vo)t + .5at^2
Joules/Columb
qV

4. work energy theorum
BLv
net work = delta K
d/2
V^2=(Vo)^2 +2a*change in x

5. voltage induced in a rod moving through a uniform magnetic field
0
no heat flow
h(Fo)
BLv

6. pressure
e=mc^2
F/A
qE
(V^2)/r

7. units for voltage other than volts
2nt=mwavelength
inelastic collision
Joules/Columb
deltaU = deltaQ + deltaW

8. total capacitance of capacitors in series
Q=CV
1/((1/C)+(1/C)..........)
deltaU -deltaW
mgCostheta(mu)d

9. formula for power with Voltage and resistance
joules/second
BA
J= Ft
(V^2)/R

10. electric potential a distance r from a charge
KQ/r
rF
VI
MC(deltaT)

11. type of collision where K is conserved
elastic collision
.5KA^2
delta x = (Vo)t + .5at^2
G M/((d/2)^2)

12. energy of a photon if wavelength is known
sqrt(T/(m/))
inelastic collision
joules/second
hc/wavelength

13. the electric force between two objects of charge Q
2nt=mwavelength
1/2wavelength
qV
K |q||Q|/r^2

14. formula for power with current and voltage
VI
dSintheta=mwavelength
-KA
no force (right hand rule)

15. energy stored in a capacitor
.5CV^2 or .5 Q^2/C or .5QV
qVB
no force (right hand rule)
e=mc^2

16. heat during a cyclic process (net heat)
qVB
deltaU -deltaW
constant pressure
roeVg

17. velocity of an electrion as it exitws from the hole
(EMF)Rt/10
dSintheta=mwavelength
deltaU = deltaQ + deltaW
qrB/m

18. the units of current other than amps
qE
perfectly inelastic collision
d/2
Columbs/second

19. force of gravity between two objects of mass m
BA
GM*M/(r^2)
(EMF)Rt/10
Columbs/second

20. isobaric
qVB
constant pressure
h(Fo)
((Qin) -(Qout))/(Qin)

21. velocity of a molecule of gas
MC(deltaT)
sqrt(3KT/m)
opposite motion
((Qin) -(Qout))/(Qin)

22. focal length of a mirror with radius d
m(v^2)/qvB
qV
d/2
M(Lf)

23. formula for finding the qacceleration due to gravity at the surface of a planet of mass M and diameter d
qVB
G M/((d/2)^2)
0
1/2wavelength

24. EMF of a battery having internal resistance R
Q=CV
roeVg
no force (right hand rule)
V+IR

25. heat during an isometric process
n(Cv)(deltaT)
opposite motion
no temp change
(Di)/(Do) or (Hi)/(Ho)

26. new frequency of light as it enters a new substance
qVB
nSintheta=nsintheta
(N2)/(N1)
frequency never changes for light problems

27. formula for buoyant force
.5mV^2 + .5KA^2
roeVg
VI
constant volume

28. velocity of waves on a string if tension is known
delta x = (Vo)t + .5at^2
Columbs/second
sqrt(T/(m/))
(No)(wavelength)=(Nn)(new wavelength)

29. force of friction
constant pressure
(Fn)(mu)
(Patm) + (Pgauge)
L -LCostheta

30. the force on a charge in an electric field
deltaU = deltaQ + deltaW
qE
rF
constant pressure

31. formula for impulse involving momentum
delta x = (Vo)t + .5at^2
mV -m(Vo)
n(Cv)(deltaT)
V+IR

32. natural frequency of an open tube of length L
constant pressure
-KA
delta x = (Vo)t + .5at^2
1/2wavelength

33. formula for the wavelength (debroglie wavelength) of a moving particle
h/mv
joules/second
MC(deltaT)
Joules/Columb

34. magnification equation
(V^2)/r
constant volume
(Di)/(Do) or (Hi)/(Ho)
(Fn)(mu)

35. formula for Carnot efficiency
(EMF)Rt/10
(V^2)/r
((Th) -(Tl))/(Th)
(No)(wavelength)=(Nn)(new wavelength)

36. type of collision where objects stick togerther
BA
((Th) -(Tl))/(Th)
sqrt(T/(m/))
perfectly inelastic collision

37. formula for charge stored in a capciator
Q=CV
deltaU -deltaW
M(Lf)
2Pi * sqrt(l/g)

38. formula for centripetal acceleration
(I^2)RT
F/A
(V^2)/r
(1/Do) + (1/Di) = (1/f)

39. formula to find the gauge pressure at the bottom of a pool
roegh
qV
d/2
V = (Vo) + at

40. formula to find the absoluate pressure at the bottom of a pool
(Patm) + (Pgauge)
d/2
.5CV^2 or .5 Q^2/C or .5QV
deltaU -deltaW

41. change in internal energy during a cyclic process
Columbs/second
joules/second
0
(3/2)nRdeltaT

42. force a charge in a Bfield
(Patm) + (Pgauge)
qVB
no temp change
sqrt(3KT/m)

43. formula for efficiency not using work out
((Qin) -(Qout))/(Qin)
GM*M/(r^2)
(Wnet)/(Qin)
hc/wavelength

44. formula for current through the resistor when the ten coils are removed from the B field in an amount of time t
(EMF)Rt/10
roeVg
sqrt(3KT/m)
k|Q|/r^2

45. formula for constructive interference in a diffraction grating
BLv
F/A
opposite motion
dSintheta=mwavelength

46. formula for finding magnetic flux
BA
d/2
((Qin) -(Qout))/(Qin)
(V^2)/R

47. what direction is friction?
opposite motion
G M/((d/2)^2)
d/2
(Fn)(mu)

48. electric field in a distance r from a charge
pL/A
d/2
(3/2)nRdeltaT
k|Q|/r^2

49. formula for energy of a spring mass when spring is neither at maximum displacement nor at equilibrium
constant pressure
m(v^2)/qvB
.5mV^2 + .5KA^2
-KA

50. natural frequency of a closed tube of length L
inelastic collision
1/4wavelength
deltaU = deltaQ + deltaW
(Patm) + (Pgauge)