Q.

Two stones of different masses are dropped simultaneously from the top of a building –

A. Smaller stone reaches the ground earlier
B. Larger stone reaches the ground earlier
C. Both the stones reach the ground at the same time
D. Depends on the composition of the stone
Answer» C. Both the stones reach the ground at the same time
Explanation: Both stones at the same Lime. The initial speed is 0 for both stones, and the only acceleration working in that system would be g (Gravity acceleration). So, as the distance is the same, the final speed will be the same time. The only reason which could change this result is a difference in the shape of the stones. While they fall to the ground, they must "open" a way across the air. The shape of the falling object will decide the force needed to open that way.
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