kinematics Questions

A ball is released from the top of a tower of height $h$ metres. It takes $T$ seconds to reach the ground. What is the position of the ball in $T/3$ seconds?

Which of the following statements is false for a particle moving in a circle with a constant angular speed?

An automobile travelling with speed of $60\text{km/h}$, can brake to stop within a distance of $20\text{m}$. If the car is going twice as fast, i.e $120\text{km/h}$, the stopping distance will be:

A ball is thrown from a point with a speed $v_0$ at an angle of projection $\theta$. From the same point and at the same instant a person starts running with a constant speed $v_0/2$ to catch the ball. Will the person be able to catch the ball? If yes, what should be the angle of projection?