Asked by Anonymous

. A package is dropped from a helicopter moving upward at 5 m/s. If it takes the package 15 s to strike the
ground, how high above the ground was the package when it was released? Assume that air resistance is
negligible
Answered by oobleck
h + 5t - 4.9t^2 = 0
now plug in t=15 and solve for h
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