A juggler maintains four balls in motion making each of them rise to a height of 40 m from
his hand. What time interval should he maintain for the proper distance between them?
Text Solution
Verified by ExpertsThe correct answer is:
C
If 
is the total time of flight of ball in going up and coming back, then total displacement in
time 
is zero because ball comes back in hand of juggler.
When ball is at the highest point then 
Displacement of the ball is zero.
Time interval of each ball
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