Question

4) A ball is dropped from a height 'h'. The velocity of the
ball when it reaches the ground is 10 m/s.Find height 'h' (
take g = 10 m/s2)​

Answer 1

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Answer 2

Answer:

5 meter

Explanation:

for a body dropped from height, it's velocity is

$v = \sqrt{2gh}$

So

$h = v {}^{2} \div 2g$

$h = 100 \div (2 \times 10)$

$h = 100 \div 20 = 5m$