Physics, 01.10.2019 16:10 Emptypockets451

Aball of moist clay falls 19.3 m to the ground. it is in contact with the ground for 21.0 ms before stopping. (a) what is the average acceleration of the ball during the time it is in contact with the ground? (treat the ball as a particle.) (b) is the average acceleration up or down?

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Aball of moist clay falls 19.3 m to the ground. it is in contact with the ground for 21.0 ms before...