Question

A ball is projected horizontally with a velocity of 5

m/s from the top of a building 19.6 m high. How

long will the ball take to hit the ground?

(a)

2s

(b) 3s (c)

3s

(d​

Answer 1

Answer:

$T = \sqrt{\frac{2h}{g} }$

$T = \sqrt{\frac{2* 19.6}{9.8} }$

T = 2 sec