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Old 01-22-2013, 09:36 PM   #40
toly
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Quote:
Originally Posted by dominikk1985 View Post
I think the hand slows down because energy is transferred from the hand into the racket.
in the kinematic chain energy is alway transferred by decelerating the prior body part.

think cracking a whip: the handle is accelerated and then suddenly stopped which causes the whip to crack
Hand and racquet operate as unit. So, how the hand can transfer energy to the racquet by using its deceleration? Itís impossible.
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