Posted by **Nancy** on Wednesday, December 9, 2009 at 12:50am.

the grand canyon is 1600 meters deep at its deeoest point. a rock is dropped fromthe rim above this point. Express the height of the rock as a function T in seconds. how long will it take the rock to hit the canyon floor?

H= 1600-1/2t^2

thats what i got as a function is that correct cause it doesnt work to get the final answer on how long it would take the rock to hit the floor.

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