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01-04-2024
Physics

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A cannon is rigidly attached to a carriage, which can move along horizontal rails but is connected to a post by a large spring, initially unstretched and with force constant k = 1.35x10^4 N/m, as shown in the figure below. The cannon fires a 230-kg projectile at a velocity of 125 m/s directed 45.0° above the horizontal. (a) Assuming that the mass of the cannon and its carriage is 4,400 kg, find the recoil speed of the cannon.

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