A ball is vertically projected with an initial velocity of 40ms^(-1) . Find the (i) maximum height it can reach (ii) and the time of descent.

A ball is vertically projected with an initial velocity of 40ms^(-1) .

1.	A ball is vertically projected with an initial velocity of 40ms^(-1) . Find the (i) maximum height it can reach (ii) and the time of descent.
Answer» ANSWER :(i)80 m; (II) 4S