Physics
Physics, 25.03.2020 07:01, sugeilochoa

A tennis player practices against a wall, hitting a 0.1 kg ball towards the
wall with a velocity of +20 m/s. The ball bounces straight back from the
wall with a velocity of -20 m/s. What is the average force the wall exerts on
the ball if the ball is in contact with the wall for 0.05 s?*

answer
Answers: 3

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A tennis player practices against a wall, hitting a 0.1 kg ball towards the
wall with a veloci...

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