A box is tossed upward from a cliff that is 15 meters high, at a speed of 4 meters per second. The height of the box is given in meters by h

Question

A box is tossed upward from a cliff that is 15 meters high, at a speed of 4 meters per second. The height of the box is given in meters by h(t)=−4.9t^2+4t+15 where t is seconds. What is the height of the box at 1 second?

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2 weeks 2021-09-12T12:51:54+00:00 1 Answer 0

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    2021-09-12T12:52:57+00:00

    Answer:

    14.1m above the sea level.

    Step-by-step explanation:

    h(t)=−4.9t²+4t+15, t in seconds

    When t=0s, h(0)=15m (height of cliff), so it means that h is measured from the sea level.

    After 1 second: h(1)=-4.9+4+15=14.1m above the sea level.

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