Answered: During service, a tennis ball is struck…

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter3: Motion In Two Dimensions

Section: Chapter Questions

Problem 39AP: A rocket is launched at an angle of 53.0 above the horizontal with an initial speed of 100. m/s. The...

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During service, a tennis ball is struck at height h = 1.5 m above a tennis court and moves with velocity v₀ = v_0xi. Assume the ball encounters no air resistance, and use a Cartesian coordinate system with the origin located at the ball's initial position.

h = 1.5 m
v_0x = 22.5 m/s

A) Calculate the tennis ball’s horizontal velocity, v_fx in m/s, when it strikes the court.

B) How long, t_f in seconds, does the tennis ball move before striking the court?

C) How far horizontally from the service position, x_f in meters, does the tennis ball move before striking the court?

Expert Solution

Step 1

Given:

$h = 1.5 m v_{o x} = 22.5 m / s \sin c e, v_{o} = v_{o x} \hat{i} i e v_{o y} = 0 m / s$

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