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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. work energy theorum
d/2
Ed=V
net work = delta K
(Patm) + (Pgauge)

2. units for voltage other than volts
Joules/Columb
BA
AV=(A2)(V2)
E/B

3. formula for current through the resistor when the ten coils are removed from the B field in an amount of time t
1/((1/C)+(1/C)..........)
(EMF)Rt/10
no heat flow
e=mc^2

4. velocity of an electrion as it exitws from the hole
(I^2)RT
E/B
FV
qrB/m

5. formula used to find the heat generated by a resistor after a certain amount of time if the current through the resistor is known
(No)(wavelength)=(Nn)(new wavelength)
.5mV^2 + .5KA^2
roeVg
(I^2)RT

6. equation of continuity
(V^2)/R
h/wavelength
AV=(A2)(V2)
sqrt(3KT/m)

7. formula to find the absoluate pressure at the bottom of a pool
Q=CV
(Patm) + (Pgauge)
M(Lf)
h/mv

8. formula for finding the work function of a metal if the cutoff frequency is known
(Di)/(Do) or (Hi)/(Ho)
h(Fo)
F/A
qVB

9. magnification equation
(hc/wavelength)=h(Fo) +(Vs)
delta x = (Vo)t + .5at^2
((Qin) -(Qout))/(Qin)
(Di)/(Do) or (Hi)/(Ho)

10. snells law
mgCostheta(mu)d
1/4wavelength
nSintheta=nsintheta
m(v^2)/qvB

11. natural frequency of an open tube of length L
.5mV^2 + .5KA^2
opposite motion
1/2wavelength
J= Ft

12. new frequency of light as it enters a new substance
frequency never changes for light problems
Q=CV
((Th) -(Tl))/(Th)
pL/A

13. formula for finding the qacceleration due to gravity at the surface of a planet of mass M and diameter d
G M/((d/2)^2)
(I^2)RT
K |q||Q|/r^2
.5CV^2 or .5 Q^2/C or .5QV

14. resistance of a wire
KQ/r
pL/A
Joules/Columb
deltaU = deltaQ + deltaW

15. pressure
F/A
mV -m(Vo)
qVB
(Di)/(Do) or (Hi)/(Ho)

16. formula for efficiency not using work out
(EMF)Rt/10
(Fn)(mu)
((Qin) -(Qout))/(Qin)
L -LCostheta

17. force of gravity between two objects of mass m
BLv
0
J= Ft
GM*M/(r^2)

18. electric field in a distance r from a charge
F/A
(I^2)R
mV -m(Vo)
k|Q|/r^2

19. second kinematic
delta x = (Vo)t + .5at^2
K |q||Q|/r^2
qrB/m
qE

20. formula for impluse involving time
J= Ft
constant pressure
perfectly inelastic collision
qrB/m

21. total capacitance of capacitors in series
net work = delta K
(Patm) + (Pgauge)
J= Ft
1/((1/C)+(1/C)..........)

22. isothermal
V^2=(Vo)^2 +2a*change in x
roeVg
BA
no temp change

23. formula for height of the block (at the start of a pendulum string) in terms of theta and L
.5CV^2 or .5 Q^2/C or .5QV
L -LCostheta
deltaU = deltaQ + deltaW
(V^2)/R

24. formula for finding the stopping potential of a metal for a wavelength if the cutoff frequency is known
(No)(wavelength)=(Nn)(new wavelength)
L -LCostheta
(hc/wavelength)=h(Fo) +(Vs)
(V^2)/r

25. heat required to melt a substance
M(Lf)
net work = delta K
2nt=mwavelength
dSintheta=mwavelength

26. adibatic
rF
no heat flow
hc/wavelength
1/2wavelength

27. formula for centripetal acceleration
(V^2)/r
deltaU -deltaW
opposite motion
FV

28. heat required to change temperature of a substance
MC(deltaT)
h/wavelength
mgCostheta(mu)d
(Fn)(mu)

29. formula for power with Voltage and resistance
qrB/m
2nt=mwavelength
E/B
(V^2)/R

30. velocity of a charge traveling at a constant veloc ity through crossed E and B fields
pL/A
E/B
no force (right hand rule)
sqrt(3KT/m)

31. formula for impulse involving momentum
n(Cv)(deltaT)
mV -m(Vo)
qVB
d/2

32. formula for torque
(Wnet)/(Qin)
E/B
(3/2)nRdeltaT
rF

33. force of friction
1/4wavelength
(Fn)(mu)
constant volume
KI/r

34. focal length of a mirror with radius d
d/2
BA
(3/2)nRdeltaT
joules/second

35. formula to find the gauge pressure at the bottom of a pool
n(Cv)(deltaT)
(1/Do) + (1/Di) = (1/f)
roegh
E/B

36. EMF of a battery having internal resistance R
qV
V+IR
delta x = (Vo)t + .5at^2
pL/A

37. isometric
GM*M/(r^2)
.5KA^2
constant volume
(N2)/(N1)

38. new wavelength of light as it enters a new substance
1/((1/C)+(1/C)..........)
n(Cv)(deltaT)
(No)(wavelength)=(Nn)(new wavelength)
F/A

39. velocity of waves on a string if tension is known
(EMF)Rt/10
sqrt(T/(m/))
constant pressure
opposite motion

40. formula for charge stored in a capciator
J= Ft
qV
Q=CV
k|Q|/r^2

41. formula for critical angle
h/mv
Columbs/second
inelastic collision
(N2)/(N1)

42. heat during an isometric process
BA
n(Cv)(deltaT)
0
frequency never changes for light problems

43. formula for the wavelength (debroglie wavelength) of a moving particle
J= Ft
h/mv
qE
(No)(wavelength)=(Nn)(new wavelength)

44. force of frction on an incline
G M/((d/2)^2)
(EMF)Rt/10
mgCostheta(mu)d
BA

45. the force on a charge in an electric field
(V^2)/r
roeVg
qE
(V^2)/R

46. type of collision where K is not conserved
constant volume
qE
inelastic collision
0

47. electric potential a distance r from a charge
deltaU -deltaW
KQ/r
((Qin) -(Qout))/(Qin)
hc/wavelength

48. equation for the first law of thermodynamics
2Pi * sqrt(l/g)
pL/A
(Wnet)/(Qin)
deltaU = deltaQ + deltaW

49. formula for buoyant force
V^2=(Vo)^2 +2a*change in x
VI
roeVg
nSintheta=nsintheta

50. formula equating energy and mass
qrB/m
e=mc^2
dSintheta=mwavelength
((Th) -(Tl))/(Th)