A-ball-is-thrown-vertically-upwards-Its-hight-h-meters-at-time-t-seconds-is-given-by-h-5-30t-5t-2-Find-the-maximum-hight-reached-by-the-ball-

Question Number 153628 by otchereabdullai@gmail.com last updated on 08/Sep/21

A ball is thrown vertically upwards .

Its hight (h) meters at time (t) seconds

is given by h = 5 + 30 t - {5 t}^{2} . Find the

maximum hight reached by the ball .

Answered by mr W last updated on 08/Sep/21

h = 5 + 30 t - 5 t^{2}

h = 50 - 5 {(t - 3)}^{2} ⩽ 50

h_{m a x} = 50 m a t t = 3 s .

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