A stone is thown vertically upwards with a velocity of `4.9 ms ^(-1)`. Calculate (i) the maximum height reached (ii) the time taken to reach the maximum height (iii) the velocity with which it returns to the ground and (iv) the time taken to reach the ground.

Answer

(i) 1. 225 m (ii) 0. 5 s (iii) ` 42 ms^(-1)` (iv) 1s