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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 |