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Old 07-12-2011, 01:19 PM   #45
julian
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Join Date: Dec 2006
Location: Bedford,Massachusetts,US
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Default A recent paper by Cross

Your quote
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For maximum control on a groundstroke, the racquet face should remain at a constant angle through the hitting zone. For this to occur, the forward component of the velocity vector of the racquethead must have equal magnitude to the forward component of the velocity vector of the hand. In other words, if the racquethead moves forward faster (or slower) than the hand during the moment of impact, then small errors in timing will result in changes in racquetface angle, leading to less accuracy of the shot. But if the racquethead moves at the same speed as the hand, then small errors in timing are inconsequential and the ball will still go toward the target.
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Fig 4 disagrees with your SECOND sentence above
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