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A stone is released from an elevator going up with an acceleration a and speed u. The acceleration and speed of the stone just after the release is(A) a upward, zero (B) (g-a) upward, u (C) (g-a) downward, zero (D) g downward, ujustify ur answer |
Answer» Answer: (D) g downwardExplanation: As soon as the stone is released from the elevator the acceleration 'a' of the elevator has no effect on the stone, it is now only under the influence of the gravitational pull. So only acceleration due to gravity 'g' acts. |
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