Question

a stone thrown up wards from the top of a tower 85m high reaches the ground in 5s find (1)the greatest height above the ground (2) the velocity with which it teaches the ground and (3) the time taken to reach the maximum height take g= 10ms2​

Answer 1

Answer:

Using the formula, At the maximum height above the level of ground, the stone comes to momentary rest. That means its velocity becomes zero. Thus, the maximum height from the ground is = 3.2 + 85 = 88.2 m.

Answer 2

Explanation:

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