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

5.325

Answer 2

set h(t= unknown value) = 0
0 = -
9.8t2 - 10t +330
solve using quadratic and use real roots

Answer 3

Meters

Answer 4

5.32 seconds

Answer 5

giggles how did u get 5.32 seconds, Can you show me?