A Baseball Is Hit with a Bat And,as a Result,its

question 118

Multiple Choice

A baseball is hit with a bat and,as a result,its direction is completely reversed and its speed is doubled.If the actual contact with the bat lasts 0.45 s,what is the ratio of the magnitude of the average acceleration of the ball to its original speed?

• A)6.7 s^-1
• B)4.4 s^-1
• C)2.2 s^-1
• D)0.15 s^-1

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