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April 19, 2014

Homework Help: physics

Posted by John on Thursday, September 9, 2010 at 7:45pm.

A helicopter is ascending vertically with a speed of 6.50 m/s. At a height of 55 m above the Earth, a package is dropped from a window. How much time does it take for the package to reach the ground? [Hint: The package's initial speed equals the helicopter's.]

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