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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. process of combing smaller nuclei to create larger nuclei
Kg*m/s^2
Fusion
Farad 1 F= 1 c/v
E=V/d

2. units for newtons
4 Hz
Real inverted image
Kg*m/s^2
373K 100

3. increasing emf has What effect on ?G
Y=(F/A)/(?L/L) stress over strain
Makes ?G more negative thus more spontaneous
The shortest wavelength
??=nv/4L

4. meaning of Bernouili's equation
Counterclockwise is + clockwise is -
As speed of fluid increases pressure and potential energy decrease
Neutron is converted into a proton and an electron is emitted
F=I(L*B)

5. light bends toward normal when
U=QV
700nm -400nm
N2>n1
Current*voltage

6. electric potential energy
U=QV
Incident light is used to free electrons from a metal
Virtual upright
V=IR

7. frequency of spring is proportional to...
Points away from + and toward -
Energy of electrons
W=qv
Spring constant

8. Formula for centripetal force
F=mv^2/r
Counterclockwise is + clockwise is -
C=eoKA/D
Vo^2+2a(?x)

9. lever arm is halved what happens to torque
It is halved
Centrioles
Yield strength
F1/A1=F2/A2

10. Log(100)=
Spreading out of light as it passes through a narrow opening
Convection
2
Fs=

11. under constant acceleration V(average)=
(Vo+v)/2
Splitting of atomic nuclei
E=???=hc/?
2

12. calculate binding energy
(mass defect)(speed of light)^2
Makes ?G more negative thus more spontaneous
3a=Beta
2

13. SI unit for pressure
Energy required to free electron from given metal
Charge/length
Pascal (Pa) N/m^2
Negative

14. resistance in parallel
1/Req=1/R1+1/R2+1/R3 Veq=V1=V2=V3
P=IA
Current*voltage
F=- F

15. formula for impulse (J)
Points away from + and toward -
J=Force*Time=mv - mvo=?p
F=1/2(r)
Gas to solid

16. frequency of light given wavelength
Vo^2+2a(?x)
VA=V/time and v1A1=v2A2 (fluids will flow more quickly through narrow passages)
Longitudinal
F=c/?

17. When does turbulence in a fluid arise
Energy required to free electron from given metal
Real inverted
When velocity of the fluid exceeds critical velocity
V=?A

18. electric field equation
E=kQ/r^2
Yield strength
Sin=v2/2 cos=v2/2
Real inverted

19. force experienced by moving charge traveling parallel or antiparallel to magnetic field
WATTS
None
F=q/e0
Derive universal gravitation equation

20. cohesion
P=IA
Buoyant force equals blocks weight
M1v1=m2v2
Force a molecule of liquid feels toward the other molecules of the liquid

21. plane mirrors create What type of image
4 Hz
Virtual
N is proportional to 1/?
Zero resistance

22. closed pipe frequency
It jumps to higher energy level
Weighted average of the masses of the element
Diopters
??=nv/4L

23. dielectric material
Sin=0 cos=-1
E=kQ/r^2
Will never decrease capacitance
P=i^2r

24. gravitational force formula
Virtual upright
F=Gm1m2/r^2
F=r/2
Beta=

25. magnetic field is created by loop wire - What is magnetic field at center of loop
Beta=
F=Gm1m2/r^2
1/Req=1/R1+1/R2+1/R3 Veq=V1=V2=V3
Virtual upright

26. amplitude of spring is proportional to...
V=IR
1/2mv^2
373K 100
Force and acceleration

27. What is heat of fusion
Angle of incidence=angle of reflection
Rate of doing work
Amount of energy required for phase change from solid to liquid
T=1/f

28. when unlike charges move away from each other - U of the system
W=qv
Cohesion
Derive universal gravitation equation
Increases

29. only radioactive decay that conserves the nucleus charge
None
Number of protons
Charge/area
Gamma decay

30. for photoelectric material to liberate an electron
F=- kx
700nm -400nm
(mass defect)(speed of light)^2
Photon energy must be greater than work function of the material

31. Find electric potential given electric field
Vbulk modulus
Hydrostatics
E*r
New/old

32. potential energy of spring
Splitting of atomic nuclei
U=(1/2)kx^2
Real inverted image
V/??

33. equation for v between two parallel plates
V=ED
Irms=Imax/v2
Vbulk modulus
?x=1/2(v+vo)t

34. 0
Solid to gas
Zero resistance
image/object
Sin=0 cos=1

35. speed of the spring
273K 0
V/??
V=?A
0K -273

36. energy stored in capacitor
C=e(A/d)
U=1/2QV=1/2CV^2=1/2Q^2/C
F=q/e0
Virtual

37. when an electron absorbs a photon
P1+?gy of 1 + 1/2?v^2 of 1=P2+?gy of 2 + 1/2?v^2 of 2
F=q/e0
Real inverted image
It jumps to higher energy level

38. magnetic field force on current carrying wire
2 times the focal distance
Real inverted image
F=I(L*B)
The shortest wavelength

39. continuity equation*
Incident light is used to free electrons from a metal
VA=V/time and v1A1=v2A2 (fluids will flow more quickly through narrow passages)
M1v1=m2v2
F=ma

40. magnification=
20 Hz to 20 -000 Hz
image/object
2pvL/g
Virtual upright smaller

41. type of heat transfer involving direct transfer of energy from molecule to molecule through molecular collisions
Nsin?incident=nsin?refraction
U=q?v
F=c/?
Conduction

42. open pipe wavelength
T=1/f
?=2L/n
Difference between the absolute and atm pressure Pg=P- Patm
Resistor

43. vertical velocity of projectile
Solute whose solution is conductive
??=nv/4L
Sin=1/2 cos=v3/2
Vsin?

44. 60
Insulator
(1/2)?v^2
Sin=v3/2 cos=1/2
Substance is less dense then water

45. diffraction
C=Q/V
Sin=0 cos=-1
Sin=v3/2 cos=1/2
Spreading out of light as it passes through a narrow opening

46. energy of photon
Fluid resistance to flow
P=IV
E=???=hc/?
C=eoKA/D

47. focal length
Neutron is converted into a proton and an electron is emitted
1/f=1/o+ 1/i
Charge/length
T=1/f

48. units for capacitance
Emf is negative
Farad 1 F= 1 c/v
Spring constant
E=???=hc/?

49. fungal cells unlike animals cells do not contain
Centrioles
E*r
Zero resistance
Image is always upright virtual and smaller

50. deposition
Counterclockwise is + clockwise is -
T=rF where F is proportional to mass and r is distance from pivot
Gas to solid
F=- kx

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MCAT Physics Formulas

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