SOLUTION: a stone falls from a ledge and takes 16 seconds to hit the ground. The stone has an original velocity of 0 m/s. How tall is the ledge?
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Question 266018: a stone falls from a ledge and takes 16 seconds to hit the ground. The stone has an original velocity of 0 m/s. How tall is the ledge?
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
9.8 meters/sec/sec is apx the gravitational acceleration on Earth.
Neglecting air friction:
s = 4.9t^2 = 4.9*16^2
s = 1254.4 meters
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~ 4100 feet
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