a stone is thrown vertically upwards with an initial velocity of 30meter per second from the top of a tower 20metes high find the time taken to reach the maximum height and the total time which elapses before it reaches the ground and gravity is 10meter per second.
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Answer:
Time will be 2s.
Explanation:
Initial Velocity (u) = 30 m/s
Acceleration (a) = -10m/s²
The value of acceleration will be negative because the ball is thrown above which is against the gravity.
Final velocity (v) = 0 m/s
= v = u-at
= 0 = 20-10*t
= 0 = 20-10t
= 10t = 20
= t = 2s
Hope this helps.
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