Question

A ball is released from the top of a tower of height h metres, it takes 5 seconds to reach the ground. What is the position of the ball in 4 seconds?

Answer 1

$s = ut + 0.5a {t}^{2}$
$h = 0 + 0.5 \times 9.8 \times {4}^{2}$
$h = 9.8 \times 8$
h=78.4 m

Answer 2

Answer:

h= 78.4m

Explanation:

Pihu ❤️ Sam......