How much time does it take for the package to hit the ground

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Question: A helicopter is ascending vertically with a speed of 5.4 m/s. At height of 105m above the earth a package is dropped from the helicopter.

Part A: How much time does it take for the package to hit the ground?

I need help to find how much time it takes for the package to hit the ground.

Reference no: EM13703532

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