Einstein and Lorentz, being avid tennis players, play a fast-paced game on a court where they...

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Physics

Einstein and Lorentz, being avid tennis players, play afast-paced game on a court where they stand 20.0 m from each other.Being very skilled players, they play without a net. The tennisball has mass 0.0580 kg. You can ignore gravity and assume that theball travels parallel to the ground as it travels between the twoplayers. Unless otherwise specified, all measurements are made bythe two men. Lorentz serves the ball at 80m/s. Einstein slams areturn at 1.8 x 10^8 m/s Question: Presuming the force thatEinstein impacted to the ball was constant and done over twocentimeters, what was this force?

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4.1 Ratings (823 Votes)
Givenmass of the ball m 00580 kgInitial velocity u 80 msThusKinetic energy before the impact 12mu2 05 00580 802 1856    See Answer
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