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4) a cannon shoots a cannonball of mass 5kg vertically upward from the mouth of a cannon with muzzle velocity of 7 m/s. at a height of 25 m above the mouth of the cannon, the cannonball attaches to another mass (1kg) and they continue to travel up. what is the maximum height that both masses will reach?
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4) a cannon shoots a cannonball of mass 5kg vertically upward from the mouth of a cannon with muzzle...
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