SOLUTION: what is the height of a building(in meters)if it takes a rock 3.8 seconds to drop from its roof?

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Question 573312: what is the height of a building(in meters)if it takes a rock 3.8 seconds to drop from its roof?
Answer by scott8148(6628) About Me  (Show Source):
You can put this solution on YOUR website!
h = (1/2)gt^2 ___ h = 4.9t^2