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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. type of collision where objects stick togerther
Q=CV
(Fn)(mu)
perfectly inelastic collision
no force (right hand rule)

2. what direction is friction?
Q=CV
joules/second
opposite motion
hc/wavelength

3. force of gravity between two objects of mass m
L -LCostheta
perfectly inelastic collision
GM*M/(r^2)
(V^2)/r

4. formula for centripetal acceleration
FV
pL/A
(V^2)/r
constant pressure

5. the force on a charge in an electric field
deltaU -deltaW
Columbs/second
F/A
qE

6. energy of a photon if wavelength is known
k|Q|/r^2
no force (right hand rule)
deltaU -deltaW
hc/wavelength

7. formula for finding the energy required to move a charged particle from infinity to a point a certain distance away from a charged particle
(N2)/(N1)
F/A
qV
qE

8. formula to find the absoluate pressure at the bottom of a pool
(Patm) + (Pgauge)
no force (right hand rule)
delta x = (Vo)t + .5at^2
opposite motion

9. isobaric
frequency never changes for light problems
E/B
pL/A
constant pressure

10. equation of continuity
AV=(A2)(V2)
qE
V^2=(Vo)^2 +2a*change in x
V+IR

11. formula for power with Voltage and resistance
(V^2)/R
.5CV^2 or .5 Q^2/C or .5QV
deltaU -deltaW
G M/((d/2)^2)

12. the electric force between two objects of charge Q
(V^2)/r
K |q||Q|/r^2
perfectly inelastic collision
opposite motion

13. formula for efficiency not using work out
((Qin) -(Qout))/(Qin)
VI
F/A
1/((1/C)+(1/C)..........)

14. formula for charge stored in a capciator
no heat flow
1/((1/C)+(1/C)..........)
K |q||Q|/r^2
Q=CV

15. formula for constructive interference in a thin membrane with two phase changes
V^2=(Vo)^2 +2a*change in x
2nt=mwavelength
K |q||Q|/r^2
(3/2)nRdeltaT

16. hooke's law force of a spring
-KA
perfectly inelastic collision
V+IR
qV

17. formula for the wavelength (debroglie wavelength) of a moving particle
(1/Do) + (1/Di) = (1/f)
h/mv
delta x = (Vo)t + .5at^2
h/wavelength

18. type of collision where K is conserved
rF
Joules/Columb
qE
elastic collision

19. lens/mirror equation
net work = delta K
(1/Do) + (1/Di) = (1/f)
opposite motion
frequency never changes for light problems

20. electric potential a distance r from a charge
delta x = (Vo)t + .5at^2
(N2)/(N1)
((Th) -(Tl))/(Th)
KQ/r

21. pressure
no force (right hand rule)
qV
(3/2)nRdeltaT
F/A

22. snells law
constant volume
no heat flow
qV
nSintheta=nsintheta

23. heat required to melt a substance
net work = delta K
M(Lf)
k|Q|/r^2
AV=(A2)(V2)

24. formula for finding magnetic flux
joules/second
J= Ft
((Th) -(Tl))/(Th)
BA

25. work energy theorum
V = (Vo) + at
E/B
net work = delta K
1/4wavelength

26. formula for power with current and resistance
KQ/r
Joules/Columb
k|Q|/r^2
(I^2)R

27. total capacitance of capacitors in series
1/((1/C)+(1/C)..........)
(I^2)R
0
sqrt(T/(m/))

28. heat required to change temperature of a substance
(I^2)RT
VI
(N2)/(N1)
MC(deltaT)

29. radius of curvature of a charged particle as it enters a uniform magnetic field
m(v^2)/qvB
deltaU -deltaW
h(Fo)
.5mV^2 + .5KA^2

30. third kinematic
h/mv
V^2=(Vo)^2 +2a*change in x
(Patm) + (Pgauge)
2Pi * sqrt(l/g)

31. formula equating energy and mass
E/B
e=mc^2
qrB/m
(hc/wavelength)=h(Fo) +(Vs)

32. 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
((Qin) -(Qout))/(Qin)
V = (Vo) + at
Q=CV

33. natural frequency of a closed tube of length L
VI
1/4wavelength
deltaU = deltaQ + deltaW
(No)(wavelength)=(Nn)(new wavelength)

34. formula for impulse involving momentum
qVB
mV -m(Vo)
d/2
(I^2)RT

35. force of friction
qV
perfectly inelastic collision
qVB
(Fn)(mu)

36. formula for finding the magnetic field a distance r from a current carrying wire
V = (Vo) + at
nSintheta=nsintheta
KI/r
qVB

37. formula for finding the qacceleration due to gravity at the surface of a planet of mass M and diameter d
1/2wavelength
V^2=(Vo)^2 +2a*change in x
net work = delta K
G M/((d/2)^2)

38. voltage induced in a rod moving through a uniform magnetic field
inelastic collision
M(Lf)
(V^2)/r
BLv

39. heat during an isometric process
1/((1/C)+(1/C)..........)
n(Cv)(deltaT)
1/4wavelength
dSintheta=mwavelength

40. new frequency of light as it enters a new substance
0
FV
frequency never changes for light problems
(3/2)nRdeltaT

41. focal length of a mirror with radius d
d/2
E/B
(N2)/(N1)
e=mc^2

42. type of collision where K is not conserved
inelastic collision
1/((1/C)+(1/C)..........)
V+IR
1/4wavelength

43. magnification equation
(Di)/(Do) or (Hi)/(Ho)
V^2=(Vo)^2 +2a*change in x
constant pressure
(1/Do) + (1/Di) = (1/f)

44. forgotten power equation
(Wnet)/(Qin)
FV
h/mv
delta x = (Vo)t + .5at^2

45. adibatic
no heat flow
(No)(wavelength)=(Nn)(new wavelength)
MC(deltaT)
sqrt(T/(m/))

46. formula for height of the block (at the start of a pendulum string) in terms of theta and L
elastic collision
L -LCostheta
(No)(wavelength)=(Nn)(new wavelength)
hc/wavelength

47. the units of power other than watts
joules/second
n(Cv)(deltaT)
inelastic collision
qrB/m

48. resistance of a wire
pL/A
E/B
K |q||Q|/r^2
J= Ft

49. second kinematic
delta x = (Vo)t + .5at^2
2Pi * sqrt(l/g)
(Wnet)/(Qin)
(Di)/(Do) or (Hi)/(Ho)

50. the force on a charge moving parallel to a magnetic field
J= Ft
V^2=(Vo)^2 +2a*change in x
no force (right hand rule)
V = (Vo) + at