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im not good in math.

The Grand Canyon is 1600 meters deep at its deepest point; a rock is dropped from the rim above this point. Express the height of the rock as a function of the time t in seconds. How long will it tale the rock to hit the canyon floor?

can someone help me find the answer.

  • calculus -

    Height measured from the bottom?

    height=1600-1/2 g time^2

    how long to the bottom? When is h=0, do that, and solve for time

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