Question

An object of mass 20 kg is dropped from a height of 10 m. What will be its velocity at a height 5 m above the ground?

(१)5 unit
(२)10 unit
(३)15 unit
(४)20 unit
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Answer 1

Answer:

5 Unit is the answer of your questions

Answer 2

$v = \sqrt{2gh} \\ v = \sqrt{2 \times 10 \times 5 } \\ v = \sqrt{100} \\ v = 10 \: units$