Magma from a volcano is considered a fluid because it can flow and it exhibits viscosity true or false

What object a collides with object b and bounces back its final momentum is?

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Amoving electron has kinetic energy k1. after a net amount of work w has been done on it, the electron is moving one-quarter as fast in the opposite direction. (a) find w in terms of k1. (b) does your answer depend on the final direction of the electron's motion?