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MCAT Physics Formulas

Subjects : mcat, science

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. Log(100)=
Resistor
N*s/m^2
2
Fs=

2. circumference of a circle
U=q?v
Beta=10Log(I/Io)
2pr
Frequency

3. visible light wavelength
2pvm/k
700nm -400nm
?=2L/n
No image is formed

4. closed pipe frequency
??=nv/4L
2pr
B=(F/A)/(?V/V)
Req=R1+R2+R3 Veq=V1+V2+V3

5. loudness of sound
Intensity
(mass defect)(speed of light)^2
V/??
N1>n2

6. work in electromagnetic field
?=2L/n
W=qv
Substance is less dense then water
MRT

7. 60
Pressure to move - voltage when no charge is moving between 2 terminals
Sin=v3/2 cos=1/2
W=Fdcos?
Fnet=0 thus Fg=Fs mg=kx

8. magnetic field is created by loop wire - What is magnetic field at center of loop
Irms=Imax/v2
V=?A
image/object
Beta=

9. youngs modulus
Y=(F/A)/(?L/L) stress over strain
4 Hz
Sin=v2/2 cos=v2/2
Vo+at

10. electric field and magnetic field are...
P=IA
Perpendicular to each other
Light emitted due to heat
Irms=Imax/v2

11. electric work
P=i^2r
U=q?v
Solute whose solution is conductive
F1/A1=F2/A2

12. Newtons 2nd law of motion
Sin=0 cos=-1
F=ma
Amount of energy required for phase change from solid to liquid
Beta=

13. current of AC
Zero resistance
None
Irms=Imax/v2
273K 0

14. work done by non conservative force

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15. larger the index of refraction..
E=1/2k(A^2)
?=vk/m=2p??
Slower light will travel
P=IV

16. density of water
1000 kg/m^3 or 1 g/cm^3
Beta=
E=???=hc/?
Sin=v3/2 cos=1/2

17. work function
Perpendicular to each other
??=nv/4L
Energy required to free electron from given metal
Fk=

18. resistance in parallel
Amount of energy required for phase change from solid to liquid
F=I(L*B)
1/Req=1/R1+1/R2+1/R3 Veq=V1=V2=V3
Vot+1/2at^2=(V0+v/2)t

19. What is heat of fusion
Vo+at
Conduction
Amount of energy required for phase change from solid to liquid
F=q/e0

20. small moduli value
More malleable material
Beta=10Log(I/Io)
T=rF where F is proportional to mass and r is distance from pivot
Req=R1+R2+R3 Veq=V1+V2+V3

21. open pipe wavelength
Makes ?G more negative thus more spontaneous
Spring constant
?x=1/2(v+vo)t
?=2L/n

22. Log(1000)=
U=QV
Spreading out of light as it passes through a narrow opening
3
F=r/2

23. units for power
F=q/e0
Fk=
WATTS
F=r/2

24. when spring is at rest
Weighted average of the masses of the element
Derive universal gravitation equation
More rigid material
Fnet=0 thus Fg=Fs mg=kx

25. focal length
1000 kg/m^3 or 1 g/cm^3
Charge/length
1/f=1/o+ 1/i
R=pL/A

26. equation for kinetic friction
Fk=
Bigger and beyond original object
Virtual upright
New/old

27. audible wave frequency
?L=aL?T
273K 0
?=m/v kg/m^3 g/ml g/cm^3
20 Hz to 20 -000 Hz

28. degrees to radians
Req=R1+R2+R3 Veq=V1+V2+V3
Degree=p/180 radian
F=xk=mg
Mass number

29. location of minima in diffraction pattern
Substance is less dense then water
A sin?=n?
Photon energy must be greater than work function of the material
Surface

30. find power in circuit
Current*voltage
None
T=1/f
20 Hz to 20 -000 Hz

31. dielectric material
273K 0
?=4L/n
Vsin?
Will never decrease capacitance

32. dynamic pressure
Neutron is converted into a proton and an electron is emitted
Work/time
Derive universal gravitation equation
(1/2)?v^2

33. sound level
(1/2)?v^2
VA=V/time and v1A1=v2A2 (fluids will flow more quickly through narrow passages)
Beta=10Log(I/Io)
F=Gm1m2/r^2

34. light bends away from normal when
W=mg=?Vg
N1>n2
F=nv/2L
Substance is less dense then water

35. type of image ALWAYS created by diverging (convex) mirror
U=QV
Is equal to gravitational force
100% of the object will be submerged but will not sink
Virtual upright smaller

36. Find electric potential given electric field
E*r
Proton or neutron
Substance is less dense then water
1/Req=1/R1+1/R2+1/R3 Veq=V1=V2=V3

37. ?
Charge/length
???
Conductor
Incident light is used to free electrons from a metal

38. tone with shortest period has
Upright image
Sin=0 cos=1
N2>n1
The shortest wavelength

39. object placed beyond focal point in converging lens create What type of image
J=Force*Time=mv - mvo=?p
Y=(F/A)/(?L/L) stress over strain
Real inverted
Pascal (Pa) N/m^2

40. across capacitor what remains constant
Voltage
Emf is negative
T=1/f
Amount of energy required for phase change from solid to liquid

41. amplitude of spring is proportional to...
Emf is negative
Force and acceleration
Body in motion remains in motion unless net force acts upon it
Proton or neutron

42. gravitational force formula
0K -273
Degree=p/180 radian
100% of the object will be submerged but will not sink
F=Gm1m2/r^2

43. conservation of energy law
Holds whenever we have a change in energy ?E=?KE+?PE=0
Rate of doing work
Voltage
Vot+1/2at^2=(V0+v/2)t

44. shear
Mass number
Force applied parallel to objects surface
Difference between the mass of nucleus and the sum of nucleons
Constant for closed system independent of changes in area

45. under constant acceleration - v=
Longitudinal
Vo+at
3
Fluid resistance to flow

46. frequency of spring is proportional to...
E=V/d
Gamma decay
Spring constant
image/object

47. force experience by stationary particle in magnetic field
None
A Calorie is a nutritional term equal to 1000 calories
Vrms=Vmax/v2
Ampere (1C/s)

48. photoelectric effect
Fusion
0K -273
Incident light is used to free electrons from a metal
Kg*m/s^2

49. period of pendulum
C=eoKA/D
Moving charge
Light travels from high n to lower n with an angle of incidence greater than the critical angle
2pvL/g

50. equation for static friction
C=eoKA/D
Fs=
Makes ?G more negative thus more spontaneous
(1/2)?v^2

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MCAT Physics Formulas

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