A very large number of balls are thrown vertically upwards in quick succession in such a way that the next ball is thrown when the previous one is at the maximum height. If the maximum height is 5 m , the number of ball thrown per minute is (take 
)
Text Solution
Verified by ExpertsThe correct answer is:
C
Maximum height of ball = 5 m
So velocity of projection 
Time interval between two balls (time of ascent)
.
So number of ball thrown per min. = 60
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