Question

(Class-9th science lesson-10)

A stone is released from top of a tower of height 19.6m. Calculate its final velocity?​

Answer 1

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Explanation:

Initial Velocity u=0

Fianl velocity v=?

Height, s=19.6m

By third equation of motion

v    =u  2  +2gs v2 =0+2×9.8×19.6 v2 =384.16

⇒v=19.6m/s

Answer 2

Explanation:

here's your answer

19.6 m/s