Answer to Question #24797 in Mechanics | Relativity for kathy
dv = 22.0 m/s - (-25.0 m/s) = 47.0 m/s
It has taken place during time interval dt = 3.50 ms,
so the average acceleration is
a = dv/dt = (47.0 m/s) / (3.50 ms) = 13428.6 m/s^2
Using the mass of the ball and the 2nd Newton's Law, one can also estimate the average force of interaction between the ball and the wall.
Answer: 13428.6 m/s^2
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