A ball is launched towards a 30 m tall building that is 30 m away (horizontally). Just as the ball reaches its maximum height it strikes the very top at the building. What was the x-component of the ball's initial velocity?

Glencoe Physics: Principles and Problems, Student Edition
1st Edition
ISBN:9780078807213
Author:Paul W. Zitzewitz
Publisher:Paul W. Zitzewitz
Chapter6: Motion In Two Dimensions
Section6.3: Relative Velocity
Problem 27PP
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explain with solutions please!

A ball is launched towards a 30 m tall building that is 30 m away
(horizontally). Just as the ball reaches its maximum height it strikes the very
top at the building. What was the x-component of the ball's initial velocity?
6.3 m/s
4 m/s
10 m/s
12.1 m/s
Transcribed Image Text:A ball is launched towards a 30 m tall building that is 30 m away (horizontally). Just as the ball reaches its maximum height it strikes the very top at the building. What was the x-component of the ball's initial velocity? 6.3 m/s 4 m/s 10 m/s 12.1 m/s
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