# Shared Flashcard Set

## Details

MCAT Exam Krackers Physics- Formulae
Formulae from Exam Krackers Physics
55
Physics
Not Applicable
07/04/2010

Term
 electromagnetism: relationship between frequency and wavelength
Definition
 c=ƒλ
Term
 electromagnetism: energy
Definition
 E=hƒ, where h= Planck's constant (6.626 x 10^-34)
Term
 index of refraction
Definition
 n=c/v (always greater than 1)
Term
 refraction
Definition
 n1sinθ1=n2sinθ2
Term
 mirror/lens power
Definition
 P=1/ƒ
Term
 lens/mirror focal length
Definition
 1/ƒ=1/do+1/di
Term
 magnetism
Definition
 F=qvβ
Term
 A/C
Definition
 Vmax=√2Vrms imax=√2irms
Term
 capacitance
Definition
 C(capacitance)=Q(charge)/V(voltage)
Term
 capacitance/potential
Definition
 U=½QV
Term
 Resistors
Definition
 V=iR
Term
 Resistors in Parallel
Definition
 Reff=1/R1+1/R2+...
Term
 Resistors in Series
Definition
 Reff=R1+R2+...
Term
 Resistance/Power
Definition
 P=iV
Term
 Constant Electric Fields
Definition
 F=Eq
Term
 Constant Electric Fields:  Potential
Definition
 U=qEd U=Vq
Term
 Constant Electric Fields: Voltage
Definition
 V=Ed
Term
 Electric Fields due to Point Charges
Definition
 F=k(q1q2/r2)   E=k(q1/r2)
Term
 Electric Fields due to Point Charges:  Potential
Definition
 U=k(q1q2/r)
Term
 Electric Fields due to Point Charges:  Voltage
Definition
 V=k(q1/r)
Term
 Angular Frequency:  Mass on a Spring
Definition
 ω=√(k/m) "wack 'em"
Term
 Angular Frequency:  Pendulum
Definition
 ω=√(g/L) "Wiggle"
Term
 Doppler Effect: Frequency
Definition
 Δƒ/ƒs=v/c
Term
 Doppler Effect:  Wavelength
Definition
 Δλ/λs=v/c
Term
 Waves
Definition
 v=ƒλ T=1/ƒ
Term
 Bernoulli's Equation
Definition
 P+ρgh+½ρv2=K(constant)
Term
 Volume Flow Rate
Definition
 Q=Av
Term
 Buoyancy:  Fraction Submerged
Definition
 Fraction Submerged=ρobject/ρfluid
Term
 Buoyant Force
Definition
 Fb=ρfluidVg where V= volume of fluid displaced
Term
 Fluid in a Sealed Container
Definition
 P=ρgy where y=depth
Term
 Rest Mass Energy
Definition
 E=mc2 where m= mass created or destroyed
Term
 Impulse
Definition
 FavgΔt=Δ(mv)
Term
 Inelastic Collisions
Definition
 pinitial=pfinal
Term
 Elastic Collisions
Definition
 pinitial=pfinal kinitial=kfinal
Term
 Momentum
Definition
 p=mv
Term
 Power
Definition
 P=ΔE/t
Term
 Instantaneous Power
Definition
 P=Fvcosθ
Term
 Work
Definition
 W=Fdcosθ W=ΔK+ΔU+ΔEi
Term
 Potential Energy:  Gravity
Definition
 Ug=mgh
Term
 Potential Energy:  Elastic
Definition
 Ue=½kΔx2
Term
 Kinetic Energy
Definition
 K=½mv2
Term
 Torque
Definition
 τ=Fl where l=level arm (τ=Frsinθ)
Term
 Hooke's Law
Definition
 (springs, etc.) F=-kΔx
Term
 Static Friction
Definition
 ƒs≤μsFn
Term
 Kinetic Friction
Definition
 ƒk=μkFn
Term
 Circular Motion:  Acceleration
Definition
 ac=v2/r
Term
 Circular Motion: Force
Definition
 Fc=m(v2/r)
Term
 Inclined Planes:  Normal Force
Definition
 Fn=mgcosθ
Term
 Inclined Planes:  Normal/Gravitational Force
Definition
 F=mgsinθ
Term
 Gravity
Definition
 F=G(m1m2/r2)
Term
 Newton's Second Law
Definition
 F=ma
Term
 Average Velocity
Definition
 vavg=½(v+vo)
Term
 Uniformly Accelerated Motion
Definition
 x=xo+vot+½at2 v=vo+at v2=vo2+2aΔx
Term
 Projectile Motion Velocity
Definition
 if vo=0, then v=√(2gh)
Term
 Derived "Spigot" Equation
Definition
 v2=√(2gh1)
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