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Evans Physics
Physics Formulas
| Question | Answer |
|---|---|
| Average velocity | X/t |
| Definition of acceleration | (V-Vo)/t |
| Displacement in terms of V, Vo and t. | (1/2)(Vo+V)t |
| Final velocity | Vo+(a)(t) |
| Displacement in terms of Vo,t, and a. | Vo(t)+(1/2)(a)(t^2) |
| Final Velocity Squared | Vo^2+ 2(a)(x) |
| Newton's Second Law (aka net force) | (m)(a) |
| Friction | (the mew sign)(Fn) |
| Work | Fs(cosign of theta) |
| Net Kinetic Energy | (1/2)(m)(v^2) |
| Work- Kinetic Energy Theorem | {W=change in kinetic |
| Potential gravity: | (m)(g)(h) |
| Potential elastic: | (1/2)(K)(X^2) |
| Power in terms of work and time: | W/t |
| Power in terms of force and velocity: | (F)(V) |
| Momentum | (M)(v) |
| Impulse Momentum Theorem | Fav(t)=change in momentum |
| Centripetal Acceleration | V^2/R |
| Centripetal Force | (M)(V^2)/R |
| Newton's Universal Law | (G)(M1)(M2)/(R^2) |
| Effiency | Wout/Win |
| Mechanical Advantage | Fout/Fin=Sin/Sout |
| Torque | (R)(F)(sin of theta) |
| Pressure | F/A |
| Work Done On/By a Gas | -P(deltaV) |
| 1st Law of Thermo | (DeltaV)= Q + W |
| Efficiency of a Heat Engine | (QH-QC)/ QH |
| Hooke's Law | -kx |
| Speed of a Wave | f(wavelength) |
| Period of a Pendelum | 2 |
| The Mirror Equation | 1/f=1/So+ 1/Si |
| Harmonics for a closed pipe | nV/4L |
| Harmonics for an open pipe | nV/2L |
| Intensity | P/4(Pi)r^2 |
| Magnification | Hi/Ho= -Si/So |
Created by:
93issyjan
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