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A hot-air balloon is rising straight up with a speed of 1.82 m/s. A ballast bag is released from rest relative to the balloon when it is 3.12 m above the ground. How much time elapses before the ballast bag hits the ground?
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You throw two balls of equal masses ( m =0.992 kg) vertically upward at an interval of Δ t = 1.41 seconds with the same initial speed of v i=35.3 m/s from the same height. At what height will they collide, measured rel ...
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