Short Answer
A person standing near the edge of a cliff 170 feet above a lake throws a rock upward with an initial speed of 80 feet per second. The height of the rock above the lake at the bottom of the cliff is a function of time and is described by
h(t) = -16t2 + 80t + 170
-At what time will the rock hit the water? Round to two decimal places.
Correct Answer:
Verified
Correct Answer:
Verified
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