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A 60 kg soccer player jumps vertically upwards and heads the 0.45 kg ball as it...

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Physics

A 60 kg soccer player jumps vertically upwards and heads the0.45 kg ball as it is descending vertically with a speed of 27 m/s.If the player was moving upward with a speed of 4.0 m/s just beforeimpact, what will be the speed of the ball immediately after thecollision if the ball rebounds vertically upwards and the collisionis elastic?
______m/s

If the ball is in contact with the player's head for 20 ms, what isthe average acceleration of the ball? (Note that the force ofgravity may be ignored during the brief collision time.)
________ m/s2

Answer & Explanation Solved by verified expert
4.1 Ratings (535 Votes)
Let us consider the upwards direction as positive and thedownwards direction as negativeMass of the soccer player m1 60 kgMass of the ball m2 045 kgInitial    See Answer
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