Typically a tennis ball hit during a serve travels away at
Typically, a tennis ball hit during a serve travels away at about 47 m/s. If the ball is at rest in mid-air when struck, and it has a mass of 0.068 kg, what is the magnitude of the change in its momentum (in kg*m/s) on leaving the racket?
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typically a tennis ball hit during a serve travels away at about 47 ms if the ball is at rest in mid-air when struck
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