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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. heat required to melt a substance
delta x = (Vo)t + .5at^2
mgCostheta(mu)d
roeVg
M(Lf)

2. adibatic
net work = delta K
qV
no heat flow
(V^2)/r

3. formula for impulse involving momentum
elastic collision
mV -m(Vo)
V+IR
1/((1/C)+(1/C)..........)

4. formula for power with current and resistance
MC(deltaT)
elastic collision
(I^2)R
(hc/wavelength)=h(Fo) +(Vs)

5. the force on a charge moving parallel to a magnetic field
2nt=mwavelength
(V^2)/r
no force (right hand rule)
n(Cv)(deltaT)

6. isothermal
1/2wavelength
G M/((d/2)^2)
no temp change
J= Ft

7. second kinematic
no force (right hand rule)
mgCostheta(mu)d
delta x = (Vo)t + .5at^2
dSintheta=mwavelength

8. formula for finding the magnetic field a distance r from a current carrying wire
KI/r
(I^2)R
GM*M/(r^2)
(hc/wavelength)=h(Fo) +(Vs)

9. work energy theorum
net work = delta K
e=mc^2
(I^2)RT
k|Q|/r^2

10. type of collision where objects stick togerther
0
perfectly inelastic collision
KQ/r
dSintheta=mwavelength

11. formula to find the gauge pressure at the bottom of a pool
Q=CV
roegh
(I^2)R
Columbs/second

12. voltage induced in a rod moving through a uniform magnetic field
no force (right hand rule)
(I^2)RT
BLv
deltaU = deltaQ + deltaW

13. heat during an isometric process
n(Cv)(deltaT)
1/2wavelength
MC(deltaT)
perfectly inelastic collision

14. resistance of a wire
pL/A
hc/wavelength
opposite motion
Joules/Columb

15. the electric force between two objects of charge Q
KQ/r
k|Q|/r^2
K |q||Q|/r^2
G M/((d/2)^2)

16. formula for Carnot efficiency
1/2wavelength
1/4wavelength
opposite motion
((Th) -(Tl))/(Th)

17. formula for constructive interference in a diffraction grating
no heat flow
-KA
dSintheta=mwavelength
Ed=V

18. formula for impluse involving time
J= Ft
(No)(wavelength)=(Nn)(new wavelength)
.5CV^2 or .5 Q^2/C or .5QV
sqrt(3KT/m)

19. formula for current through the resistor when the ten coils are removed from the B field in an amount of time t
BLv
J= Ft
1/((1/C)+(1/C)..........)
(EMF)Rt/10

20. total capacitance of capacitors in series
M(Lf)
1/((1/C)+(1/C)..........)
constant pressure
1/2wavelength

21. formula for finding the work function of a metal if the cutoff frequency is known
h(Fo)
mV -m(Vo)
VI
deltaU = deltaQ + deltaW

22. isobaric
no heat flow
constant pressure
mV -m(Vo)
1/2wavelength

23. formula for finding the energy required to move a charged particle from infinity to a point a certain distance away from a charged particle
rF
KI/r
sqrt(3KT/m)
qV

24. force of gravity between two objects of mass m
GM*M/(r^2)
k|Q|/r^2
h(Fo)
elastic collision

25. velocity of a charge traveling at a constant veloc ity through crossed E and B fields
e=mc^2
E/B
h/wavelength
.5CV^2 or .5 Q^2/C or .5QV

26. formula for power with Voltage and resistance
2nt=mwavelength
(hc/wavelength)=h(Fo) +(Vs)
elastic collision
(V^2)/R

27. pressure
opposite motion
V^2=(Vo)^2 +2a*change in x
F/A
L -LCostheta

28. equation for the first law of thermodynamics
M(Lf)
delta x = (Vo)t + .5at^2
Columbs/second
deltaU = deltaQ + deltaW

29. formula for critical angle
1/2wavelength
(N2)/(N1)
1/4wavelength
2nt=mwavelength

30. force of friction
(Fn)(mu)
KI/r
(Patm) + (Pgauge)
VI

31. velocity of waves on a string if tension is known
n(Cv)(deltaT)
qrB/m
sqrt(T/(m/))
E/B

32. formula for charge stored in a capciator
Q=CV
no force (right hand rule)
KQ/r
-KA

33. electric potential a distance r from a charge
KQ/r
k|Q|/r^2
(hc/wavelength)=h(Fo) +(Vs)
net work = delta K

34. formula for finding magnetic flux
BA
n(Cv)(deltaT)
V+IR
(No)(wavelength)=(Nn)(new wavelength)

35. EMF of a battery having internal resistance R
K |q||Q|/r^2
MC(deltaT)
V+IR
KI/r

36. formula to find the absoluate pressure at the bottom of a pool
(Patm) + (Pgauge)
roegh
L -LCostheta
(hc/wavelength)=h(Fo) +(Vs)

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
((Th) -(Tl))/(Th)
(I^2)RT
.5KA^2
V+IR

38. units for voltage other than volts
AV=(A2)(V2)
Joules/Columb
no temp change
(1/Do) + (1/Di) = (1/f)

39. new wavelength of light as it enters a new substance
deltaU -deltaW
2Pi * sqrt(l/g)
qrB/m
(No)(wavelength)=(Nn)(new wavelength)

40. electric field in a distance r from a charge
k|Q|/r^2
sqrt(3KT/m)
((Th) -(Tl))/(Th)
frequency never changes for light problems

41. radius of curvature of a charged particle as it enters a uniform magnetic field
KQ/r
(Di)/(Do) or (Hi)/(Ho)
m(v^2)/qvB
GM*M/(r^2)

42. formula for centripetal acceleration
(1/Do) + (1/Di) = (1/f)
L -LCostheta
.5CV^2 or .5 Q^2/C or .5QV
(V^2)/r

43. formula for torque
.5mV^2 + .5KA^2
hc/wavelength
rF
qVB

44. formula for change in internal energy in a cosnstat volume PV process
(3/2)nRdeltaT
FV
0
M(Lf)

45. formula for the wavelength (debroglie wavelength) of a moving particle
.5KA^2
2nt=mwavelength
dSintheta=mwavelength
h/mv

46. formula for energy of a spring mass when spring is at maximum displacement
qE
.5KA^2
sqrt(T/(m/))
K |q||Q|/r^2

47. the units of power other than watts
.5KA^2
e=mc^2
joules/second
(I^2)R

48. formula for constructive interference in a thin membrane with two phase changes
dSintheta=mwavelength
K |q||Q|/r^2
2nt=mwavelength
mV -m(Vo)

49. formula for efficiency of a heat engine using work out
qrB/m
qE
(Wnet)/(Qin)
1/4wavelength

50. first kinematic
MC(deltaT)
1/4wavelength
V = (Vo) + at
GM*M/(r^2)