Question: A 1 0 - kg rock and 2 0 - kg rock are dropped from the same height and experience no 4 ) significant air

A 10-kg rock and 20-kg rock are dropped from the same height and experience no 4) significant air resistance. If it takes the 20-kg rock a time T to reach the ground, what time will it take the 10-kg rock to reach the ground?

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