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Daniel's MCAT Flashcards > Physics > Flashcards

Physics Flashcards

1
Q

What is the coefficient of friction equation

A
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2
Q

What is the force equation?

A

mass x gravitational acceleration

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3
Q

What is Doppler shift for laser sensors?

A

When the light reflects off of an object moving towards the sensor, it will reflet back with a higher frequency. When object is moving away from the sensor, the light will reflect back at a lower frequency.

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4
Q

What is Potential energy equation?

A

PEinit =mgh

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5
Q

What is Kinetic energy equation?

A

KE = 1/2 mv^2

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6
Q

Cardiac output is proportional to what?

A

Heart rate

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7
Q

How do you add capacitors in series?

A
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8
Q

How do you add capacitors in parallel?

A
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9
Q

What is the formula for acceleration

A

a = F/m

or

a=change in velocity over change in time

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10
Q

What is the formula for displacement?

A
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11
Q

What is inertia proportional to?

A

The mass of the object and therefore its static friction force.

I = angular momentum (L) / angular velocity (w)

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12
Q

What is the formula for distance on a speed vs time plot?

A

d = 1/2bh

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13
Q

What is the formula for distance?

A

d = speed x time

or

with no speed given look below

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14
Q

How is work related to kinetic energy of a moving object?

A

W = KE fin - KE int

KE =1/2mv^2

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15
Q

What is the equation for power?

A

P = Work / time

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16
Q

What is the specific heat equaion?

A

Q = m x c x delta T

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17
Q

What are the equations for Power?

A

P=V^2/R
P=IV
P=I^2R

18
Q

Is the angle of incidence equal to the angle of refraction or reflection?

A

Reflection

19
Q

Power equation?

A

power = work / time

20
Q

What is the equation relating distance, acceleration, and velocity?

A

Vf^2 = Vi^2 +2ad

21
Q

What is the capacitance equation?

A

C = q/V

Where C is in farads and q is C

22
Q

How does depolarization occur?

A

the gated sodium ion channels on the neuron’s membrane suddenly open and allow sodium ions (Na+) present outside the membrane to rush into the cell.

23
Q

How is the spring constant related to PE?

A

PE = ½kx^2

where k is the spring constant in N/m and x is the displacement

24
Q

What are the four major acceleration equations?

A
25
Q

What is a power equation relating energy and time?

A

P = E / delta t

26
Q

How do you find heart rate?

A

HR = 1/T

T = the time when PPG is zero before and after a heart beat

27
Q

What is a state function?

A
28
Q

What is a process function?

A
29
Q

How is Work related to pressure and volume?

A

W = P x delta V

30
Q

What is coduction?

A

The transfer of heat through direct contact

31
Q

What is convection?

A

The transfer of heat through the flow of fluids

32
Q

What is the relationship between resistance, resistivity, length and cross sectional area

A

R = p x (L/A)

33
Q

What is the continuity equation?

A

A1V1=A2V2

where A is the cross sectional area. For example, a pipe or blood vessel would be pi (d/2)^2

34
Q

What is an isolated system?

A

Neither heat nor matter can be exchanged with the surroundings

35
Q

What is a closed system?

A

Only heat, not matter, can be exchanged with the surroundings

36
Q

Linear motion equaitons

A

V = Vo +at

x = Vot + at^2/2

V^2 = Vo^2 + 2ax

x = vt

37
Q

Force of a parallel component of gravity on an inclined plane

A

F = mg sin(x)

38
Q

Force of the perpendicular component of gravity on an incline

A

F = mg cos(x)

39
Q

Force in circular motion

A

F = mv^2/r

40
Q

What is conduction?

A

The transfer of energy from molecule to molecule (molecular collisions)

41
Q

What is convection?

A

The transfer of heat by the motion of a fluid over a material

42
Q

What is radiation?

A

Transfer of energy through EM waves

Daniel's MCAT Flashcards (7 decks)

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