A rocket is fired upward with a velocity (v) of 680 feet per second. Find how many seconds pass before the rocket reaches the

Question

A rocket is fired upward with a velocity (v) of 680 feet per second. Find how many seconds pass before the rocket reaches the ground (S=0) again. Use the quadratic equation S = - 16t² +680t.
It will take seconds until the rocket reaches the ground again.
(Simplify your answer. Type an integer or decimal rounded to the nearest hundredth as needed.)

Kunduz · Accepted Answer

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