Question: i was given 4 options to pick from here are the following, 1 Second, 2 Seconds, 3 Seconds and 4 Seconds A rock is tossed

i was given 4 options to pick from here are the following, 1 Second, 2 Seconds, 3 Seconds and 4 Seconds

A rock is tossed down from a cliff that is 180 m high. The function h(t) = 5t2 10 gives the approximate height of the rock above the water, where h(t) is the height in meters and t is the time in seconds. When will the rock reach a ledge that is 105 m above the water

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