A stone thrown vertically upwards reaches the maximum height in 3s. if the acceleration of the stone be 10 m/s2 , calculate its initial velocity.
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Explanation:
Initial velocity of the stone, u = ?
Final velocity of stone, v = 0
Acceleration due to gravity, g=−9.8m/s
2
Time, t = 3 sec
Using relation, v = u + gt
0=u−9.8×3
u = 29.4 m/s
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