$A$ body dropped from the top of a tower clears $7/16$ of the total height of the tower in its last second of flight. The time taken by the body to reach the ground is........$s$

If a ball is thrown vertically upwards with speed $u$,the distance covered during the last $t$ seconds of its ascent is

What is free fall? Write the equations of uniformly accelerated motion for an object falling freely.

$A$ man in a balloon rising vertically with an acceleration of $4.9 \, m/s^2$ releases a ball $2 \, s$ after the balloon is let go from the ground. The greatest height above the ground reached by the ball is .......... $m$ :-

$A$ boy throws a ball vertically upwards from a bridge with velocity $5 \ m/s$. It strikes the water surface after $2 \ s$. The height of the bridge is (Take $g = 10 \ m/s^2$) (in $m$)

$A$ body is thrown vertically upwards. At half of the maximum height,its velocity is $10 \ m/s$. What is the maximum height attained by the body? (Take $g = 10 \ m/s^2$)