Amina throws the ball straight upward and after 1 second it reaches its maximum height then it does free fall motion which takes 2 seconds. Calculate the maximum height and the velocity of the ball when it reaches the same level on its way down (take g = 10 m/s2)
Amina throws the ball straight upward and after 1 second it reaches its maximum height then it does free fall motion which takes 2 seconds. Calculate the maximum height and the velocity of the ball when it reaches the same level on its way down (take g = 10 m/s2)
Glencoe Physics: Principles and Problems, Student Edition
1st Edition
ISBN:9780078807213
Author:Paul W. Zitzewitz
Publisher:Paul W. Zitzewitz
Chapter3: Accelerated Motion
Section: Chapter Questions
Problem 81A
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Amina throws the ball straight upward and after 1 second it reaches its maximum height then it does free fall motion which takes 2 seconds. Calculate the maximum height and the velocity of the ball when it reaches the same level on its way down (take g = 10 m/s2)
Expert Solution
Step 1
Let the ball be thrown at height H from the ground and initial velocity be u.
Speed of ball at highest point will be zero.
Using first law of motion
u=10 m/s
Step 2
When the ball is at the ground.
Using second law of motion
Therefore H=10 m
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