A tennis ball bounces down flight of stairs striking each step in turn and rebounding to the height of the step above. The coefficient of restitution has a value |
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a) |
b) |
1 |
c) |
1/ |
d) |
1/2 |

A tennis ball bounces down flight of stairs striking each step in turn and rebounding to the height of the step above. The coefficient of restitution has a value |
||||||||

a) |
b) |
1 |
c) |
1/ |
d) |
1/2 |

1 Answer

127 votes

**(c)**

As shown in adjoining figure ball is falling from height 2 and rebounding to a height only. It means that velocity of ball jus before collision

and velocity just after collision

127 votes

127