Question

A ball is thrown up and attains a maximum height of 180 m. calculate its initial speed.
(take g = 10metre per second square)​

Answer 1

Answer:

s=180m v=0m/s a=-g=-10m/s²

v²=u²+2as

0=u²+2(-10) (180)

u²=3600

u=60m/s