Question

A ball is thrown upward from the top of a building that is 160 feet tall. The height, H, of the ball T seconds after being thrown is given by the equation H = -16t^2 + 48t + 160.

After how many seconds will the ball hit the ground?

a. 2
b. 3
c. 5
d. 10

Answer 1

10

Explanation:

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