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MCAT Physics Info
Formulas that you need to know for the MCAT
| Question | Answer |
|---|---|
| Distance (vi, vf, t) | ½(vi+vf)t |
| Velocity (vi, a, t) | vi+at |
| Distance (vi, t, a) | vi*t+½at^2 |
| Distance (vf, t, a) | vf*t-½at^2 |
| Velocity (vi, a, d) | sqrt(vi^2+2ad) |
| sin(30°) or cos(60°) | .5 |
| sin(45°) or cos(45°) | .7 |
| sin(60°) or cos(30°) | .85 |
| Force of Gravity | GMm/r^2 |
| Centripetal Force | mv^2/r |
| Power | W/t=F*d/t=F*v |
| Momentum | mv (Pi=Pf) |
| Gauge Pressure | dρg |
| Force of Buoyancy | ρVg |
| Bernoulli's Equation | P+½ρv^2+ρgh = P+½ρv^2+ρgh |
| sqrt(2) | 1.4 |
| sqrt(3) | 1.7 |
| Electric Force | kQq/r^2 |
| k | 9E9 []=N*m^2/^2 |
| Electric Field | kQ/r^2 []=N/C=V/m |
| Electric Potential | kQ/r []=J/C=V |
| Charge of Capacitor | VC |
| Potential Energy of Capacitor | ½QV |
| Magnetic Force | qvB |
| Work Done by Magnetic Force | 0 |
| Frequency of Spring | (1/2π)sqrt(k/m) |
| Frequency of Pendulum | (1/2π)sqrt(g/L) |
| Force of Spring | -kx |
| Potential Energy of Spring | ½kx^2 |
| Electric Field of Capacitor | V/d |
| Kinetic Energy | ½mv^2 |
| Work | F*d |
| Frictional Force | µ*F(N) |
| Impulse | F*t |
| Stress | F/A |
| Strain | ΔL/L |
| Change in Length | FL/EA |
| Centripetal Acceleration | v^2/r |
| Net Force | ma |
| Elementary Electric Charge | 1.6E-19 |
| Density of Water | 1000kg/m^3 = 1g/cm^3 |
| Speed of Light | 3E8 |
| Current (Q, t) | Q/t |
| Voltage (I, R) | IV |
| Resistivity (ρ, L, A) | ρL/A |
| Power in Circuit | IV = I^2R = V^2/R |
| RMS (MAX) | MAX/sqrt(2) |
| MAX (RMS) | RMS*sqrt(2) |
| Increase of 10 dB | (Initial Intensity) * 10 |
| Harmonic Frequency of Standing Wave With Two Fixed Ends | (n/2L)v (n = 1, 2, 3, ...) |
| Harmonic Frequency of Standing Wave With One Fixed End | (n/4L)v (n = 1, 3, 5, ...) |
| Alpha Decay (α) | ΔA = -4, ΔZ = -2 |
| Beta Decay (β-) | ΔA = 0, ΔZ = +1 |
| Beta Decay (β+) | ΔA = 0, ΔZ = -1 |
| Molality | moles of solute/kg of solvent |
| Doppler Effect | fd = fs(v±vd)/(v±vs) |
| Intensity | P/A []=W/m^2 |
| Photon Energy | E=hf=hc/λ |
| Magnification | -i/o |
| Mirror (and Lens) Equation | (1/o)+(1/i)=(1/f) |
| Lens Power | P=1/f |
| Index of Refraction | n=c/v |
| Volume of One Mole of Ideal Gas at STP | 22.4L |
| Visible Spectrum | Red λ=700nm - Violet λ=400nm |
| STP | P = 100 kPa, T = 273 K |
| Hearing Threshold | 10E-12 W/m^2 |
| Lens Power | 1/focal length |
| Focal Length | R/2 |
Created by:
mfeigley
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