The recoil of a shotgun can be significant. Suppose a 3.0-kg shotgun is held tightly by an arm and shoulder with a combined mass of 15.0 kg Part A When the gun fires a projectile with a mass of 0.032 kg and a speed of 380 m/s, what is the recoil velocity of the shotgun and arm–shoulder combination? Express your answer to three significant figures and include appropriate units.

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