Question

If a stone is tossed from the top of a 330 meter building, the height of the stone as a function of time is given by h(t) = -9.8t2 – 10t + 330, where t is in seconds, and height is in meters. After how many seconds will the stone hit the ground? Round to the nearest hundredth’s place; include units in your answer.

Answer 1

set = 0 and solve. annoying quadratic formula problem get about 5.32

Answer 2

so -9.8t^2-10t+330=0?

Answer 3

i really just dont understand the set up