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Suppose 2000 kg cannon fires a 5 kg cannon ball horizontally with a velocity of 300 m/sec. Compute the recoil velocity of the cannon.
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Ahot-air balloon takes off from the ground traveling vertically with a constant upward acceleration of magnitude g/4. after time interval δt, a crew member releases a ballast sandbag from the basket attached to the balloon. how many seconds does it take the sandbag to reach the ground? (express your answer in terms of δt)
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Suppose 2000 kg cannon fires a 5 kg cannon ball horizontally with a velocity of
300 m/sec. Compute...
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