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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the total time to return to the surface of the earth. (b) its final velocity just before touching the ground.
the total time to return to the surface of the earth. (b) its final velocity just before touching the ground
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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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