A stone is dropped from a height of \( 40 \mathrm{~m} \). (a) How much time will it take to reach the ground? (b) With what velocity will it strike the ground? (Ans.
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The height (h) from which the stone is dropped is 40 m. The acceleration due to gravity (g) is approximately 9.8 m/s². The initial velocity (u) of the stone is 0 m/s because it is dropped, not thrown. Show more…
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