Physics, asked by aksrivastava668, 4 days ago

ms: 15 [Take, g = 10 msy 2. A stone is released from the top of a building of height 20 m. Calculate: (a) the total time to return to the surface of the earth. (b) its final velocity just before touching the ground. [Ans. 4 s; 20 ms ]

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Answered by chakrapanisharma001

0

Explanation:

As stone is released its initial velocity u will be 0

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