First slide
Release from certain height
Question

A ball is released from the top of a tower of height ft metre. It takes f second to reach the ground. What is the position of the ball in tl3 second ?

Easy
Solution

Here, t=(2h/g)
The distance travelled in t/3 second is given by
t3=13(2h/g)
i.e., s=0+12g19×2hg=h/9
Position of the ball from the ground
=hh9=8h9

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