A cannon weighing 1500 kg fires a ball of mass 20kg at a velocity of 300m/s. The cannon is suspended by ropes. How high does the cannon rise?

A cannon weighing 1500 kg fires a ball of mass 20kg at a velocity of 300m/s. The cannon is suspended by ropes. How high does the cannon rise? If the cannon is on a sliding track, what friction force is needed to stop it within 1m?

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