physics
posted by vicky .
A helicopter is ascending vertically with a speed of 5.20 m/s. At a height of 120 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: v_0 for the package equals the speed of the helicopter.]

h=vi*t1/2 g t^2 solve for t.

6.17m/s
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