Question

A watermelon is dropped from the top of a building The height of the watermelon above the sidewalk is given by h(t)=-16t^2+240 with t representing number of seconds

How many seconds does it take for the watermelon to hit the sidewalk

Answer 1

h(t) = 240 - 16tT^2 = 0.
16t^2 = 240, t = 3.87 s.





















































































































































6