When you drop an object from a certain height, it takes time T to reach the ground with no air resistance. If you dropped it from three times that height, how long (in terms of T) would it take to reach the ground?
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When you drop an object from a certain height, it takes time T to
reach the ground with no air resistance. If you dropped it from three times
that height, how long (in terms of T) would it take to reach the ground?

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