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ece105: add extra momentum

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eggy 2022-10-25 18:56:43 -04:00
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@ -27,3 +27,11 @@ Please see [SL Physics 1#2.3 - Work, energy, and power](/g11/sph3u7/#23-work-ene
## Momentum and impulse
Please see [SL Physics 1#2.4 - Momentum and impulse](/g11/sph3u7/#24-momentum-and-impulse) for more information.
The change of momentum with respect to time is equal to the average force **so long as mass is constant**.
$$\frac{dp}{dt} = \frac{mdv}{dt} + \frac{vdm}{dt}$$
Impulse is actually the change of momentum over time.
$$\vec J = \int^{p_f}_{p_i}d\vec p$$