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Test your basic knowledge |
AP Physics B: Formulas
Start Test
Study First
Subjects
:
science
,
ap
,
physics
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. Natural frequency open tube/not in a tub
Vab=Rated voltage-IR (r=internal resistance)
L=n/2?
Constructive: 2t=m?+1/2? - Destructive: 2t=m?
P1atm + 1/2rhoV1² + rhogh= P2atm + 1/2rhoV2² + rhogh
2. Work - simple formula
W=Fd=mad - direction of force must be same as direction of distance
Fy=FnCos?-Fg
P=W/T=FD/T=FV
Bernoulli Principal
3. Impulse
Pressure is constant ?P=0 w=-P?V
1ev=1.6E-19J
J=?vm=F?t
thumb in direction of proton - fingers in direction of magnetic field and palm will show you force
4. Centripetal acceleration
P=W/T=FD/T=FV
a=v²/r
F=Gm1m2/r²
C=KepA/d
5. F(buoy) = pVg
C=KepA/d
Period in General
Archimedes Principle/Bouyancy
?U=Q + W - heat added= heat + work
6. v = v(3RT)/M = v(3KT)/µ
QH=QL +W and e=W/QH
px and py are conserved
Spring Potential Energy
Average Speed of each Molecule
7. Ideal gas laws
SG=rho object/10³
PV=nRT - PV=N (# of molecules)kb (bozons constant)T
V=added - I=constant - R= added
billiard balls - no sticking total energy is conserved
8. U(spring) = ½kx²
L=n/2?
Spring Potential Energy
273K and 1.013E5 pa
T=2pr/v
9. Net work
shows magnetic field created by a current. Thumb in direction of the current - fingers show direction of field
W=KEf-KEi
F=Bvsin?q
Pin=Pout=Fin/Ain=Fout/Aout
10. Dialectrics insulating sheet between plates
V=added - I=constant - R= added
T=2pr/v
C=KepA/d
f=mv²/r
11. Standard pressure and temperature and pressure
273K and 1.013E5 pa
PE=mgh
Power from Energy
E=-N Change in flux/?t=Blv (v=velocity of the wire)
12. Thermal expansion
Pressure from Depth
?U=Q + W - heat added= heat + work
?L=(coefficient of linear expansion)aLinitial?T
Fy=FnCos?-Fg
13. PE of a spring
V=Ed
PE=1/2kx²
?L=(coefficient of linear expansion)aLinitial?T
Bernoulli Principal
14. Simple force equation
?U=Q + W - heat added= heat + work
F=ma
Fgx=FgCos?
Fnet=Fb-Fg
15. Absolute pressure
Work
Kinematic with Displacement - Velocity - Acceleration - and Time
Efficiency of a Heat Engine
P=Patm + rho g h
16. Adiabatic process
V=constant - I=added - R=1/r added
counterclockwise
Pressure is constant ?P=0 w=-P?V
?U=W - no heat added system (Q=0)
17. Total internal reflection
PE=1/2kx²
V=Ed
n1sin?1=n2sin90
Fny=FnCos?
18. Magnitude of gravitational forces between objects
A1V1=A2V2
F=Gm1m2/r²
f=mv²/r
R=rho L/A A=cross sectional area
19. Centripetal force
?U=W - no heat added system (Q=0)
counterclockwise
n1sin?1=n2sin90
f=mv²/r
20. Current
Constructive: 2t=m? - Destructive: 2t=m?+1/2?
I=?q/?t
t=Fr - force must be perpendicular to the moment arm and the axis of rotation
q=K?AT/L
21. r in torque
Kinematic with Displacement - Velocity - Acceleration - and Time
moment arm - perpendicular distance from the force to the axis of rotation
L=n/2?
W=KEf-KEi
22. Average kinetic energy
Kavg=(3/2)kbT
Fny=FnCos?
Efficiency of a Heat Engine
V=vFt/(m/l)
23. F-F or NF-NF
E=-N Change in flux/?t=Blv (v=velocity of the wire)
?v=0 - w=0 area under the curve is zero
Kinematic with Velocity - Acceleration - and Displacement
Constructive: 2t=m? - Destructive: 2t=m?+1/2?
24. Elastic collision
Force of Friction
billiard balls - no sticking total energy is conserved
f=mv²/r
Fny=FnCos?
25. P = F/A
General Pressure
Momentum
V=vFt/(m/l)
Ideal Gas Law
26. p = mv
Period in General
Momentum
T=2pr/v
Pressure is constant ?P=0 w=-P?V
27. Series Circuits
V=(331 +.6T) T=temp in Celsius
Fgx=FgCos?
V=added - I=constant - R= added
F=Gm1m2/r²
28. v² = v0² + 2a(x-x0)
Kinematic with Displacement - Velocity - Acceleration - and Time
Kinematic with Velocity - Acceleration - and Displacement
Centripetal Acceleration
v3kT/m [mass per molecule] - v3RT/M [molar mass]
29. Potential energy
Centripetal Acceleration
PE=mgh
Fy=FnCos?-Fg
Pin=Pout=Fin/Ain=Fout/Aout
30. e = abs(W/Q)
V=W/Q=KQ/r NO VECTORS
General Pressure
Kinetic Energy
Efficiency of a Heat Engine
31. Simple density formula
rho=m/v
thumb in direction of proton - fingers in direction of magnetic field and palm will show you force
PE=mgh
Vf=Vi+ at - Vf²=Vi² +2ad - d=1/2 a t² +vit
32. Net force/apparent weight in forces
QH=QL +W and e=W/QH
Fnet=Fb-Fg
A1V1=A2V2
Pressure is constant ?P=0 w=-P?V
33. Hookes law
F=kx
P1atm + 1/2rhoV1² + rhogh= P2atm + 1/2rhoV2² + rhogh
Fgy=FgSin?
T=2pvm/k
34. Simple harmonic motion - pendulum
counterclockwise
T=2pvl/g
Flux (in webers)=Bcos?A
Constructive: 2t=m?+1/2? - Destructive: 2t=m?
35. Voltage (circuts)
V=IR
billiard balls - no sticking total energy is conserved
L=n/2?
shows magnetic field created by a current. Thumb in direction of the current - fingers show direction of field
36. Basic thermo equation
F=ma
V=W/Q=KQ/r NO VECTORS
a=v²/r
?U=Q + W - heat added= heat + work
37. P = P0 + pgh
Force of Friction
T=2pvm/k
Pressure from Depth
Momentum
38. P = Fvcos?
Adiabatic and isothermal processes ec= TH-TL/
Power from Force
Power from Energy
Q=CV
39. torque
E=F/q (point charge)=KQ1/r² BREAK INTO VECTORS
f=mv²/r
Pressure is constant ?P=0 w=-P?V
t=Fr - force must be perpendicular to the moment arm and the axis of rotation
40. U(gravitational) = -(Gm1m2/r)
Gravitational Potential Energy Anywhere
clockwise
Fnet=Fb-Fg
E=-N Change in flux/?t=Blv (v=velocity of the wire)
41. Parallel Circuits
1ev=1.6E-19J
clockwise
V=constant - I=added - R=1/r added
billiard balls - no sticking total energy is conserved
42. Ammeter
Vf=Vi+ at - Vf²=Vi² +2ad - d=1/2 a t² +vit
Adiabatic and isothermal processes ec= TH-TL/
Efficiency of a Heat Engine
in series - measures current - low resistance
43. On an inclined plane - gravity in the y
Fgy=FgSin?
Kinematic with Velocity - Acceleration - and Displacement
V=vFt/(m/l)
I=?q/?t
44. PV = nRT = NkT
Q=CV
Ideal Gas Law
Momentum
QH=QL +W and e=W/QH
45. A1V1 = A2V2
Continuity
Kinetic Energy
Vf=Vi+ at - Vf²=Vi² +2ad - d=1/2 a t² +vit
Kinematic with Displacement - Velocity - Acceleration - and Time
46. K = ½mv²
Bernoulli Principal
px and py are conserved
1ev=1.6E-19J
Kinetic Energy
47. Continuity equation [Conservation of mass]
thumb in direction of proton - fingers in direction of magnetic field and palm will show you force
A1V1=A2V2
T=2pvm/k
PV=nRT - PV=N (# of molecules)kb (bozons constant)T
48. v = v0 + at
V=vFt/(m/l)
Kinematic with Velocity - Acceleration - and Time
P=F/A=rho(g)h
t=Fr - force must be perpendicular to the moment arm and the axis of rotation
49. Simple harmonic motion - spring
QH=QL +W and e=W/QH
Constructive: 2t=m? - Destructive: 2t=m?+1/2?
T=2pvm/k
T=2pr/v
50. Force on a current carrying wire in a magnetic field
Efficiency of a Heat Engine
?L=(coefficient of linear expansion)aLinitial?T
F=BIL
in series - measures current - low resistance