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Posted by on Sunday, February 19, 2012 at 4:32pm.

A rock is dropped form the top of a cliff. It takes 12 seconds to hit the ground.

What is the height in feet of the cliff??

How fast is the rock moving when it hits the ground?

  • pre calc - , Sunday, February 19, 2012 at 4:48pm

    swag swag

  • pre calc - , Sunday, February 19, 2012 at 5:04pm

    distance = |-16t^2| , here t is in seconds and distance is in feet
    distance = 16(12^2) = 2304 feet

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