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In introductory mechanics, the momentum of a particle is its mass times its velocity. In electrodynamics, the momentum of a field is proportional to the cross-product of the electric field with the magnetic field. In special relativity, momentum is generalized to four-momentum.

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Is the coefficient of restitution of a bouncing ball constant with respect to height?

Is the rebound rate (or ratio) of a bouncing ball actually constant? Edit: To clarify, I am considering a given ball and whether it has a different coefficient of restitution depending on the height d …
lukejanicke's user avatar