A 50-G Ball Traveling at 25

question 25

Multiple Choice

A 50-g ball traveling at 25.0 m/s is bounced off a brick wall and rebounds at 20.0 m/s.A high-speed camera records this event.If the ball is in contact with the wall for 3.50 ms,what is the magnitude of the average acceleration of the ball during this time interval?

• A) 714 m/s²
• B) 1430 m/s²
• C) 6430 m/s²
• D) 12,900 m/s²

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