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MCAT Physics review
A review of physics equations for the MCAT
62
Physics
Graduate
08/01/2012

Additional Physics Flashcards

 


 

Cards

Term
Ohm's Law
Definition
V=IR
Term
What is the speed of light in a vacuum?
Definition
3 x 10^8 m/s
Term
Formula relating object distance, image distance, and focal length
Definition
1/i + 1/o = 1/f
Term
formula for centripital acceleration
Definition
a=v^2/r
Term
formula for centripital force
Definition
F=mv2/r
Term
Formula relating heat gained and termperature change
Definition
Q=mcΔT
Term
What type of image does a diverging lense produce?
Definition
virtual, upright
Term
Formula for capacitance
Definition
C=Q/V
Term
Formula for electric field between plates of a capacitor
Definition
E=V/d
Term
Formula for calculating binding energy
Definition
E=(mass defect)(speed of light)2
Term

Hook's Law

(force of a spring)

Definition
F=-kx
Term
Formula for angular frequency of a mass on a spring
Definition
ω=√(k/m)
Term
Formula for angular frequency of a mass on a pendulum
Definition
ω=√(g/L)
Term
Formula for kinetic energy of a mass on a spring
Definition
K=mv2/2
Term
Formula for kinetic energy of a mass on a pendulum
Definition
K=mv2/2
Term
Formula for potential energy of a mass on a spring
Definition
U=kx2/2
Term
Formula for potential energy of a mass on a pendulum
Definition
U=mgh
Term

 

What type of image does a convex lense create when object is beyond the focal point?

 

Definition

Convex lense = converging

 

real, inverted

Term

 

What type of image does a convex lense create when object is inside the focal point?

Definition

convex = converging

 

virtual, upright

Term
Formula for calculating lense power
Definition
P=1/f
Term
Formula for sound intensity
Definition

I=P/A

 

Term
Formula for initial horizontal velocity of a projectile launched at an angle (θ) to the horizontal
Definition
Vh=Vcosθ
Term
Formula for initial vertical velocity of a projectile launched at an angle (θ) to the horizontal
Definition
Vv=Vsinθ
Term
Formula for kinetic energy
Definition
K=mv2/2
Term
Gravitational potential energy
Definition
U=mgh
Term
Formula for work
Definition
W=Fdcosθ
Term
Formula for power
Definition
P=W/t
Term
Equation for density
Definition
ρ=m/V
Term
What is the density of water?
Definition

1g/cm3

 

1000kg/m3

Term
Formula for calculating pressure
Definition
P=F/A
Term
Formula for work in an isobaric process
Definition
F=PΔV
Term
First Law of Thermodynamics
Definition
Change in internal energy of a system = (heat energy gained)-(work done by system)
Term
What is β- decay?
Definition
A neutron gives of an electron and becomes a proton
Term
What is β+ decay?
Definition
A proton gives off a positive charge and becomes a neutron
Term
What is gamma decay?
Definition
The atom releases a gamma ray (loses energy only)
Term
Coulomb's Law
Definition
F=k(q1q2)/r2
Term
Formula for electrical potential energy
Definition
U=qV
Term
Formula for buoyant force
Definition
FB=ρgV
Term
Given a pipe of varying cross sections, how does fluid velocity and cross-section area realate throughout the pipe?
Definition
v1a1=v2a2
Term
How does absulute pressure change as fluid velocity increases?
Definition
absolute pressure decreases
Term
Formula for electric current
Definition
I=Δq/Δt
Term
Formula for force on a current-carrying wire in a magnetic field
Definition
F=BLIsinθ
Term
Second Law of Thermodynamics
Definition
The entropy of a closed system must either increase or remain constant
Term
What type of image does a convex mirror create?
Definition
Virtual, upright
Term
What type of image does a concave mirror create when object is beyond the focal point?
Definition
Real, inverted
Term
What type of image does a concave mirror create when the object is inside the focal point?
Definition
Virtual, upright
Term
What are the units of magnetic field
Definition
Tesla
Term
Formula for force on moving charge in a magnetic field
Definition
F=qvBsinθ
Term
Formula for index of refraction
Definition
n=c/v
Term
Snell's Law
Definition
n1sinθ1=n2sinθ2
Term
What is αlpha decay?
Definition
The emission of two protons and two neutrons
Term
Formula for exponential decay
Definition
n=n0e-λt
Term
Formula for a magnetic field created by a long straight wire
Definition
B=μoI/2πr
Term

Formula for magnetic field created at the center of a loop of wire

 

Definition
B=μoI/2r
Term
Formula for magnification
Definition
m=-i/o
Term
Equation relating wavelength and frequency
Definition
λf=V
Term
How many seconds are there in an hour?
Definition
3600s/hr
Term
Units of Power
Definition
Watt = [J/s]
Term
What is enthalpy
Definition
Change in heat at a constant pressure. Negative = exothermic. Positive = endothermic.
Term
Gibbs Free Energy Equation
Definition
ΔG=ΔHTΔs
Term
What is an acetal?
Definition
A compound with two ethers on the same carbon
Term
What is a hemiacetal? A hemiketal?
Definition
A hemiacetal is a compound with an ether and an alcohol on the same carbon along with an R group and a Hydrogen. A hemiketal has another R group instead of a Hydrogen.
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