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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.
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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. second kinematic
Q=CV
roeVg
delta x = (Vo)t + .5at^2
sqrt(3KT/m)

2. velocity of a molecule of gas
sqrt(3KT/m)
1/2wavelength
(I^2)R
mV -m(Vo)

3. formula for the wavelength (debroglie wavelength) of a moving particle
e=mc^2
M(Lf)
((Qin) -(Qout))/(Qin)
h/mv

4. type of collision where objects stick togerther
(Wnet)/(Qin)
mV -m(Vo)
sqrt(3KT/m)
perfectly inelastic collision

5. electric field in a distance r from a charge
rF
L -LCostheta
k|Q|/r^2
elastic collision

6. velocity of a charge traveling at a constant veloc ity through crossed E and B fields
(hc/wavelength)=h(Fo) +(Vs)
rF
h(Fo)
E/B

7. the electric force between two objects of charge Q
(Wnet)/(Qin)
deltaU -deltaW
n(Cv)(deltaT)
K |q||Q|/r^2

8. formula relating voltage and electric field
GM*M/(r^2)
Ed=V
perfectly inelastic collision
h/wavelength

9. heat during a cyclic process (net heat)
(3/2)nRdeltaT
n(Cv)(deltaT)
qrB/m
deltaU -deltaW

10. total capacitance of capacitors in series
G M/((d/2)^2)
2nt=mwavelength
1/((1/C)+(1/C)..........)
(Patm) + (Pgauge)

11. EMF of a battery having internal resistance R
G M/((d/2)^2)
V+IR
-KA
constant pressure

12. the units of current other than amps
2nt=mwavelength
F/A
L -LCostheta
Columbs/second

13. formula for finding the energy required to move a charged particle from infinity to a point a certain distance away from a charged particle
qVB
Ed=V
L -LCostheta
qV

14. velocity of waves on a string if tension is known
frequency never changes for light problems
pL/A
dSintheta=mwavelength
sqrt(T/(m/))

15. forgotten power equation
nSintheta=nsintheta
(Di)/(Do) or (Hi)/(Ho)
qE
FV

16. natural frequency of an open tube of length L
F/A
no heat flow
GM*M/(r^2)
1/2wavelength

17. third kinematic
.5mV^2 + .5KA^2
(N2)/(N1)
V^2=(Vo)^2 +2a*change in x
(Wnet)/(Qin)

18. formula for efficiency of a heat engine using work out
KQ/r
pL/A
(Wnet)/(Qin)
1/((1/C)+(1/C)..........)

19. formula equating energy and mass
mV -m(Vo)
e=mc^2
((Qin) -(Qout))/(Qin)
(Fn)(mu)

20. 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
no heat flow
V+IR
e=mc^2

21. force a charge in a Bfield
(3/2)nRdeltaT
BLv
qVB
(V^2)/R

22. force of frction on an incline
Q=CV
.5KA^2
pL/A
mgCostheta(mu)d

23. energy stored in a capacitor
MC(deltaT)
(No)(wavelength)=(Nn)(new wavelength)
.5CV^2 or .5 Q^2/C or .5QV
V^2=(Vo)^2 +2a*change in x

24. formula for finding the magnetic field a distance r from a current carrying wire
roegh
dSintheta=mwavelength
no force (right hand rule)
KI/r

25. formula for power with current and voltage
(hc/wavelength)=h(Fo) +(Vs)
VI
E/B
qV

26. formula for constructive interference in a diffraction grating
L -LCostheta
dSintheta=mwavelength
h/mv
(Patm) + (Pgauge)

27. type of collision where K is not conserved
constant pressure
Columbs/second
((Th) -(Tl))/(Th)
inelastic collision

28. isometric
constant volume
KI/r
qE
(Di)/(Do) or (Hi)/(Ho)

29. formula for power with current and resistance
J= Ft
(I^2)R
pL/A
GM*M/(r^2)

30. formula for impulse involving momentum
net work = delta K
mV -m(Vo)
((Th) -(Tl))/(Th)
(Wnet)/(Qin)

31. formula for power with Voltage and resistance
1/2wavelength
Ed=V
roegh
(V^2)/R

32. voltage induced in a rod moving through a uniform magnetic field
(Fn)(mu)
no force (right hand rule)
constant volume
BLv

33. isobaric
joules/second
BA
constant pressure
(I^2)R

34. formula for energy of a spring mass when spring is at maximum displacement
.5KA^2
mgCostheta(mu)d
Q=CV
0

35. equation of continuity
.5CV^2 or .5 Q^2/C or .5QV
qE
AV=(A2)(V2)
perfectly inelastic collision

36. energy of a photon if wavelength is known
hc/wavelength
2Pi * sqrt(l/g)
joules/second
no temp change

37. formula used to find the heat generated by a resistor after a certain amount of time if the current through the resistor is known
m(v^2)/qvB
Ed=V
no temp change
(I^2)RT

38. work energy theorum
mgCostheta(mu)d
qV
net work = delta K
k|Q|/r^2

39. hooke's law force of a spring
e=mc^2
h/mv
qV
-KA

40. the force on a charge in an electric field
qE
V+IR
n(Cv)(deltaT)
V = (Vo) + at

41. formula for buoyant force
e=mc^2
roeVg
(Fn)(mu)
AV=(A2)(V2)

42. new wavelength of light as it enters a new substance
.5mV^2 + .5KA^2
no force (right hand rule)
(No)(wavelength)=(Nn)(new wavelength)
inelastic collision

43. formula to find the gauge pressure at the bottom of a pool
roegh
1/2wavelength
deltaU = deltaQ + deltaW
frequency never changes for light problems

44. formula for finding the qacceleration due to gravity at the surface of a planet of mass M and diameter d
Joules/Columb
G M/((d/2)^2)
MC(deltaT)
(V^2)/R

45. formula for change in internal energy in a cosnstat volume PV process
(3/2)nRdeltaT
h(Fo)
mgCostheta(mu)d
-KA

46. radius of curvature of a charged particle as it enters a uniform magnetic field
d/2
roeVg
m(v^2)/qvB
n(Cv)(deltaT)

47. heat required to melt a substance
2Pi * sqrt(l/g)
h/wavelength
M(Lf)
mV -m(Vo)

48. formula for finding the momentum of a photon
perfectly inelastic collision
h/wavelength
(Fn)(mu)
deltaU = deltaQ + deltaW

49. change in internal energy during a cyclic process
0
no temp change
h/mv
V^2=(Vo)^2 +2a*change in x

50. magnification equation
GM*M/(r^2)
(Di)/(Do) or (Hi)/(Ho)
Ed=V
constant pressure

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