Answers: R=48.424 21° 11° U1 B = × 11.98398 JN

Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
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A tennis player strikes the tennis ball with her racket while the ball is still rising. The ball speed before impact with the racket is v1 = 19 m/s and after impact its speed is v2 = 24 m/s, with directions as shown in the figure. If the 60-g ball is in contact with the racket for 0.052 s, determine the magnitude of the average force R exerted by the racket on the ball. Find the angle β made by R with the horizontal. Comment on the treatment of the ball weight during impact.

Answers:
R=48.424
21°
11°
U1
B =
×
11.98398
JN
Transcribed Image Text:Answers: R=48.424 21° 11° U1 B = × 11.98398 JN
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