A player throws a ball upwards with an initial speed of 30 m s -1 . How long does the ball take to return to the player’s hands? (Take g = 10 m s -2 )
Text Solution
Verified by ExpertsThe correct answer is:
B
Let t be times taken by the ball to reach the highest point.
As v = u + at
Here , u = 
V = 0 (At highest point velocity is zero)
0 = 30 – 10t or t = 3s
Time taken by the ball to return to player’s hand
=3s + 3s = 6s.
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