# Physics Formula

Pages: 6 (746 words) Published: December 11, 2012
Physics        “FORMULAS LIST “ | |
| | | | | Quantity |Symbol |Formula | |% Error |  |% Error = ( |A-M| ) x 100 /A | |% Uncertainty |  |% Uncertainty = (Uncertainty x 100) / | | | |Measurement | |Distance (Linear displacement) |Dx |Dx = xf - xo | |Elapsed Time |Dt |Dt = t2 - t1 | |Instantaneous Speed |V |V = Dd / Dt   | | | |(with t approaching zero seconds) | |Average Speed |Vavg |Vavg = (total distance | | | |traveled)/(total elapsed time) | |Acceleration |a |a = DV/Dt  =   (V2 - V1) / (t2 - t1) | |Final Speed |V2 |V2 = V1 + aDt | | Original Speed |V1 |V1 = V2 - aDt | |Elapsed Time |Dt |Dt = (V2 -  V1) / a | |Kinematic Equations: |====> |(Uniform Acceleration) | |Final Velocity |V2 |V2 = V1 + aDt | |Displacement |Dx |Dx = V1Dt + 0.5(aDt2) | |Final Velocity |V2 |V22  =   V12 +  2aDx | |Displacement |Dx |Dx = 0.5(V2 + V1)Dt | |Elapsed Time |Dt |Dt = (V2 -V1) / a | |  |  |  | |Free Fall from Rest |V1 = 0.0 m/s |g =  -9.8 m/s2 | |Final Velocity |V2 |V2 =  gDt | | Displacement |  Dx |Dx = 0.5(gDt2) | |Final Velocity |V2 |V22  =  2gDx | |Displacement |Dx |Dx = 0.5(V2 )Dt | |Elapsed Time |Dt |Dt = (V2) / g | |Elapsed Time |Dt |Dt = Sq. root of (2Dx/g) | |  |  |  | | Dynamics | Equations |  | |Force (Newton's 2nd Law) |F = Force |F = ma | | Friction |Ff |Ff = mFn | |Newton's Third Law...

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