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A small bag of sand is released from an ascending hot-air balloon whose upward constant velocity...

A small bag of sand is released from an ascending hot-air balloon whose upward constant velocity is v0 = 1.65 m/s. Knowing that at the time of the release the balloon was 48.3 m above the ground, determine the time, ?, it takes the bag to reach the ground from the moment of its release.

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Answer #1

Initial speed of the sand bag is (upwards)

Height at which the sand bag is released is

Time taken by the sand bad to reach ground is

Using ,

solving above quadratic equation ,

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