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## Homework Statement

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 3 times that height, how long (in terms of T) would it take to reach to the ground?

## Homework Equations

displacement=V

_{0}t+.5g(t)

^{2}

## The Attempt at a Solution

i got T=sqrt2 and T=sqrt6 but now i'm stuck on how to set up the next proportion. Also would like to see how you started this one.