SOLUTION: A penny is dropped from the top of a 900 m tower how long does it take to hit the ground
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Question 580621: A penny is dropped from the top of a 900 m tower how long does it take to hit the ground
Answer by scott8148(6628) (Show Source): You can put this solution on YOUR website!
starting from rest, with a uniform acceleration (gravity) ___ 900 = (1/2) * g * t^2
the gravitational acceleration (g) is 9.8 m/s^2 ___ t is in seconds
900 / 4.9 = t^2
use a calculator to find t
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