# Shared Flashcard Set

## Details

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

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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