Question

A body is thrown vertically upward with velocity u, the greatest height h to which it will rise is,

(a) u/g

(b) u2/2g

(c) u2/g

(d) u/2g

Answer 1

Option (B):

Explanation:

Given initial velocity = u, height = h, Final velocity v = 0(Maximum height).

Now,

We know that v^2 = u^2 - 2gh

= > 0 = u^2 - 2gh

= > u^2 = 2gh

= > h = u^2/2g.



Therefore the greatest height it will rise = u^2/2g.


Hope this helps