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
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
Question ID - 54124 | SaraNextGen Top Answer
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
|
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
Answer Key / Explanation : (c) -
(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
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127 votes
Answer Link
127