Question

A ball is thrown from
a height of 20m
vertically downward and has an initial velocity of vo2
As the stone colliches with the ground 50% of its
energy
is lost and bounce back to the same height
What is the initial velocity​

Answer 1

Answer:

A ball is thrown from

a height of 20m

vertically downward and has an initial velocity of vo2

As the stone colliches with the ground 50% of its

energy

is lost and bounce back to the same height

What is the initial velocity