Acceleration: A racquetball strikes a wall with a speed of 30 m/s and rebounds in the opposite direction with a speed of 26 m/s. The collision takes 20 ms. What is the average acceleration of the ball during the collision with the wall?
A. 0 m/s2
B. 200 m/s2
C. 2800 m/s2
D. 1500 m/s2
E. 1300 m/s2
Answer: C
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