Question

a body is thrown vertically up reaches a maximum height of 78.4 metres.After what time it will reach the Ground from the maximum height reached ​

Answer 1

Answer:

3.94 is your answer.

Explanation:

Given,

Let's keep 'a' as 10 m/s^2

Height max = 78.4 meters

t to reach ground =?

There is a formula for finding the time taken to reach the ground, that is:

t=√2(hmax)/g

t=√2(78.4)/10

t=√156.8/10

t=√15.6

t=3.94 seconds.

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