SOLUTION: A stone is thrown horizontally from the top of a vertical cliff and lands 4.0s later at a distance 12.0m from the base of the cliff. Ignore air resistance. a) Calculate the horiz

Question 1200491: A stone is thrown horizontally from the top of a vertical cliff and lands 4.0s later at a distance
12.0m from the base of the cliff. Ignore air resistance.
a) Calculate the horizontal speed of the stone.
b) Calculate the height of the cliff.
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
A stone is thrown horizontally from the top of a vertical cliff and lands 4.0s later at a distance 12.0m from the base of the cliff. Ignore air resistance.
a) Calculate the horizontal speed of the stone.
12/4 = 3 m/sec
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b) Calculate the height of the cliff.
h = at^2/2
Using 9.8 m/sec/sec for gravity:
h = 9.8*4^2/2 meters
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