Homework Help: Scientific studies

Posted by Aly on Wednesday, February 17, 2010 at 4:44pm.

A helicopter is ascending vertically with a speed of 5.20m/s. At a height of 125 m above the Earth, a package is dropped from a window. How much time does it take fo the package to reach the ground? [Hint: The package's initial speed equals the helicopter's}

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