Question

A player throws a ball vertically upward, the ball attain a height of 25 m and then returns back.The initial speed of the ball in m/s will be​

Answer 1

Answer:

answer in attachment

Explanation:

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Answer 2

Answer:

Let the initial velocity of the particle be u.

Then , maximum height =

2g

u

2

Now ,

2g

u

2

= 25

Taking g = 10ms

−2

u

2

=500

u=10

5

ms

−1

.