Question

A ball is projected vertically upward . Its speed at half of maximum height is 30mper sec.Maximum height attained by the ball is

Answer 1

Answer:

90m

Explanation:

V=u+at

Put v 0

a=g

u=30

You get in 3 s the particle attains max height

A/c to qn v=30m per second

In 1 second =30 meter

In 3 second=90 meter