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1.a bag is dropped from a hovering helicopter. the bag has fallen for 2 s. what is the ball's velocity at the instant its hitting the ground? what was the height of the helicopter? if the bag was dropped from a helicopter descending at the speed of 2 m/s what is the time of the bag fall and its velocity near the ground?
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1.a bag is dropped from a hovering helicopter. the bag has fallen for 2 s. what is the ball's veloci...
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