Bb B.

asked • 12/20/22

help with problems

A tennis ball is dropped from a certain height. Its height in feet is given by h(t) =*- 16t? + 400 where t represents the time in seconds after launch. After how many seconds

Does the ball hit the ground?

Brenda D.

tutor
Did you mean -16t^2 + 400 or -16t + 400 please review the post? If you meant h(t) = -16t + 400 then all you need to do is set h(t) to zero and solve for t.
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12/20/22

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