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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. type of collision where K is not conserved
GM*M/(r^2)
qV
BA
inelastic collision

2. formula for efficiency of a heat engine using work out
BLv
(Wnet)/(Qin)
h/mv
K |q||Q|/r^2

3. forgotten power equation
FV
opposite motion
no force (right hand rule)
no temp change

4. natural frequency of a closed tube of length L
joules/second
e=mc^2
1/4wavelength
hc/wavelength

5. formula for power with Voltage and resistance
inelastic collision
(V^2)/R
MC(deltaT)
opposite motion

6. formula for critical angle
KQ/r
L -LCostheta
Joules/Columb
(N2)/(N1)

7. electric potential a distance r from a charge
dSintheta=mwavelength
KQ/r
V+IR
AV=(A2)(V2)

8. formula for energy of a spring mass when spring is at maximum displacement
(EMF)Rt/10
qV
.5KA^2
1/((1/C)+(1/C)..........)

9. change in internal energy during a cyclic process
BLv
1/2wavelength
h/mv
0

10. formula for Carnot efficiency
((Th) -(Tl))/(Th)
BLv
(V^2)/r
G M/((d/2)^2)

11. formula for constructive interference in a diffraction grating
qE
GM*M/(r^2)
k|Q|/r^2
dSintheta=mwavelength

12. the force on a charge in an electric field
qE
qV
d/2
nSintheta=nsintheta

13. natural frequency of an open tube of length L
1/2wavelength
rF
hc/wavelength
G M/((d/2)^2)

14. formula used to find the heat generated by a resistor after a certain amount of time if the current through the resistor is known
(I^2)RT
no temp change
qE
net work = delta K

15. formula for the wavelength (debroglie wavelength) of a moving particle
h/mv
rF
constant pressure
(I^2)RT

16. energy of a photon if wavelength is known
hc/wavelength
(3/2)nRdeltaT
MC(deltaT)
L -LCostheta

17. formula for period of a pendulum
constant pressure
2Pi * sqrt(l/g)
dSintheta=mwavelength
M(Lf)

18. formula for height of the block (at the start of a pendulum string) in terms of theta and L
L -LCostheta
mV -m(Vo)
h(Fo)
-KA

19. formula for torque
d/2
-KA
inelastic collision
rF

20. force of frction on an incline
L -LCostheta
mgCostheta(mu)d
pL/A
0

21. hooke's law force of a spring
GM*M/(r^2)
-KA
KI/r
rF

22. formula for finding the momentum of a photon
h(Fo)
J= Ft
h/wavelength
dSintheta=mwavelength

23. type of collision where objects stick togerther
perfectly inelastic collision
BLv
h/mv
opposite motion

24. electric field in a distance r from a charge
constant volume
(V^2)/r
F/A
k|Q|/r^2

25. first kinematic
(Patm) + (Pgauge)
sqrt(3KT/m)
M(Lf)
V = (Vo) + at

26. formula for current through the resistor when the ten coils are removed from the B field in an amount of time t
J= Ft
frequency never changes for light problems
joules/second
(EMF)Rt/10

27. formula for efficiency not using work out
roeVg
((Qin) -(Qout))/(Qin)
(V^2)/r
Columbs/second

28. the force on a charge moving parallel to a magnetic field
V+IR
no force (right hand rule)
(Wnet)/(Qin)
KI/r

29. heat during an isometric process
MC(deltaT)
n(Cv)(deltaT)
V^2=(Vo)^2 +2a*change in x
h/mv

30. formula for constructive interference in a thin membrane with two phase changes
dSintheta=mwavelength
2nt=mwavelength
1/2wavelength
V = (Vo) + at

31. isobaric
(No)(wavelength)=(Nn)(new wavelength)
MC(deltaT)
constant pressure
Columbs/second

32. radius of curvature of a charged particle as it enters a uniform magnetic field
m(v^2)/qvB
AV=(A2)(V2)
2Pi * sqrt(l/g)
k|Q|/r^2

33. formula for energy of a spring mass when spring is neither at maximum displacement nor at equilibrium
perfectly inelastic collision
(N2)/(N1)
.5mV^2 + .5KA^2
Ed=V

34. heat required to change temperature of a substance
F/A
dSintheta=mwavelength
MC(deltaT)
roegh

35. energy stored in a capacitor
no force (right hand rule)
h(Fo)
1/((1/C)+(1/C)..........)
.5CV^2 or .5 Q^2/C or .5QV

36. third kinematic
V^2=(Vo)^2 +2a*change in x
VI
(EMF)Rt/10
rF

37. formula relating voltage and electric field
FV
(hc/wavelength)=h(Fo) +(Vs)
qVB
Ed=V

38. formula for finding the qacceleration due to gravity at the surface of a planet of mass M and diameter d
J= Ft
G M/((d/2)^2)
m(v^2)/qvB
qE

39. second kinematic
2Pi * sqrt(l/g)
dSintheta=mwavelength
-KA
delta x = (Vo)t + .5at^2

40. work energy theorum
.5mV^2 + .5KA^2
sqrt(3KT/m)
(V^2)/r
net work = delta K

41. formula equating energy and mass
e=mc^2
((Th) -(Tl))/(Th)
elastic collision
2Pi * sqrt(l/g)

42. formula to find the absoluate pressure at the bottom of a pool
(Di)/(Do) or (Hi)/(Ho)
rF
n(Cv)(deltaT)
(Patm) + (Pgauge)

43. formula for impulse involving momentum
qVB
deltaU -deltaW
mV -m(Vo)
qV

44. heat required to melt a substance
hc/wavelength
KI/r
K |q||Q|/r^2
M(Lf)

45. velocity of waves on a string if tension is known
Q=CV
e=mc^2
1/2wavelength
sqrt(T/(m/))

46. formula for charge stored in a capciator
k|Q|/r^2
Q=CV
h/wavelength
hc/wavelength

47. force of friction
F/A
K |q||Q|/r^2
(Fn)(mu)
e=mc^2

48. voltage induced in a rod moving through a uniform magnetic field
E/B
L -LCostheta
qrB/m
BLv

49. EMF of a battery having internal resistance R
mV -m(Vo)
2nt=mwavelength
constant volume
V+IR

50. lens/mirror equation
constant pressure
(3/2)nRdeltaT
(1/Do) + (1/Di) = (1/f)
FV