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Old 08-08-2013, 11:16 AM   #89
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Join Date: Oct 2005
Posts: 34,473

Originally Posted by Jkramer View Post
I canít tell the source or validity of the graph, but here is some thing interesting from it: with the test condition as stated, at racket tilt angle 10 deg, the spin out is 1500rpm and the ball travels a distance of 50 ft. Think about this: the incoming ball falling at 5 deg (after bounce I assume) from horizontal at speed 30 mph. This must be an incoming shot that landed close to the base line (shallow angle deep drive), and after you impacted the ball with the stated condition, the ball landed at 50 ft away. Where did it land on the court? Bottom of the net since it is 60 ft away from base line. Validity check anyone?
Isn't the court 78 feet long, and each half 39 feet?
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