A 3450 kg cannon is mounted so that it can recoil only in the horizontal direction. (a) Calculate its recoil velocity in m/s when it fires a 16.0 kg shell at 480 m/s at an angle of 20.0° above the horizontal. (Enter the magnitude.) m/s (b) What is the kinetic energy of the cannon in J? This energy is dissipated as heat transfer in shock absorbers that stop its recoil. J (c) What happens to the vertical component of momentum that is imparted to the cannon when it is fired?

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