What would happen if you played tennis with a racquetball or racquetball with a tennis ball? Tennis balls have felt and are heavier. If I practiced tennis with a racquetball for a week, and then switched to a regular tennis ball, what kind of difference would I feel?
closed as too broad by Ram Chandra Giri, dly, jamauss♦ Mar 27 '18 at 19:53
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