Mathematics, 09.12.2020 08:00 allymally12325
The height h (in feet) of an object t seconds after it is dropped can be modeled by the quadratic equation h = -16t2 + h0, where h0 is the initial height of the object. Suppose a small rock dislodges from a ledge that is 255 ft above a canyon floor. Solve the equation h = -16t2 + 255 for t, using the quadratic formula to determine the time it takes the rock to reach the canyon floor.
t =approx 0.87 s
t =approx 4 s
t = 8.5 s
t = 16 s
Answers: 3
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