How long after its release does the mailbag reach the ground

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Problem: The height of a helicopter above the ground is given by h = 2.80t3, where h is in meters and t is in seconds. At t = 2.25 s, the helicopter releases a small mailbag.

Part A: How long after its release does the mailbag reach the ground?

Hello Experts please provide me the detailed calculation and steps for above problem.

Reference no: EM13695475

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