Question

A ball thrown up vertically returns to the thrower after 8 s. Find
(a) The velocity with which it was thrown up

Answer 1

Answer:

As time of ascent =time of descent

total time. <br>

<br> (i)

. <br> From

<br>

or

<br> (ii)From

<br>

<br>

<br> (iii) velocity with which body hits the ground = velocity of projection of body