the height above ground level i

Question

n meters of a missile launched vertically ,is given by h(t)=-16t3+100t .at what time is the missile 72mabove ground level ? (t is time in seconds)

Answer 1

just solve for t in

-16t^2 + 100t = 72

This assumes a normal rocket trajectory under constant gravity. Not sure where a cubic function would work.

Answer 2

get vertex by complete square method

Answer 3

to use derivatives

Answer 4

I havenot respond!!!! But the question is more complex for me..

Answer 5

I do'nt Know

Answer 6

Math

Answer 7

Maths

Answer 8

Solution