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# Just before it is struck by a racket, a tennis ball ISBN: 9780321675460 31

## Solution for problem 69P Chapter 8

University Physics | 13th Edition

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Problem 69P

Just before it is struck by a racket, a tennis ball weighing 0.560 N has a velocity of During the 3.00 ms that the racket and ball are in contact, the net force on the ball is constant and equal to What are the x- and y-components (a) of the impulse of the net force applied to the ball; (b) of the final velocity of the ball?

Step-by-Step Solution:

Solution 69P Step 1 of 3: w 0.560 N we have relation w = mg and m = g = 9.8 m/s = 0.0571 kg The relation between impulse force and change in velocity is given by Step 2 of 3: a) J = F t x x 3 = 380 N × 3 × 10 = 1.14 N.s so x component of impulse is 1.44 N.s Jy= F y 3 = 110 N × 3 × 10 = 0.330 N.s so y component of impulse is 0.330 N.s

Step 3 of 3

##### ISBN: 9780321675460

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