Posted by Cin on Sunday, August 26, 2012 at 2:44pm.
The distance it falls in t seconds after being dropped is
H = (1/2) g t^2
g is the acceleration of gravity, which you must have learned about by now. It is 9.8 m/s^2 on Earth.
Set t = 1.7 seconds and use the formault to solve for the height, H, in meters.
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