edugen wileyplus.oom adApp The uni- Master\'s Degree Programs PHYS 2A Homework P

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edugen wileyplus.oom adApp The uni- Master's Degree Programs PHYS 2A Homework PLUS Cutnell, Physics, 10e Help l System Announcements. Unread Grace Period 13 days left l Register New Chapter 03, Problem 14. mework 2 1 Problem tennis ball is and the racket horzontaly 62 above the court is the tennis ball when it leaves the racket? with a speed of 28.3 m/s. The ball hits the court at a 23 Problem 11 (a) Number Prahenm 02 the tolerance is +/-2% 3 Problem 82 Click if you would like to show work for this open Show Work questions Question Attempts Unlimited SAVETonurms SuBMIT ANSWER salts by Study Copyright c 2000-2017 by John wiley s sons, Inc. or related companies. All nghts reserved

Explanation / Answer

Here,

horizontal distance , d = 20.7 m

speed , u = 28.3 m/s

let the time of flight is t

t = d/u

t = 20.7/28.3 = 0.731 s

height of ball when racket hits ball = 0.5 * g * t^2

height of ball when racket hits ball = 0.5 * 9.8 * 0.731^2

height of ball when racket hits ball = 2.62 m

the height of ball when racket hits ball is 2.62 m

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