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CBSE Class 11-science Answered

<p class="MsoNormal"><span style="font-size: 18.0pt; line-height: 115%;">A ball is dropped from a height 100 m on the ground. If the coefficients of restitution is 0.2, what is the height to which the ball will go up after it rebounds for the second time.</span></p>
Asked by sudhanshubhushanroy | 25 Oct, 2017, 09:05: PM
Expert Answer
Height (H) after n bounce after falling from height h is given as
e= coefficient of restitution
H=enh
H=0.22x100=4m
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