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An explosion breaks a 26.0-kg object into three parts. The object is initially moving at a...

An explosion breaks a 26.0-kg object into three parts. The object is initially moving at a velocity of 22.0 m/s due north. Part (1) has a mass m11 = 3.80-kg and a velocity of 58.0 m/s due west. Part (2) has has a mass m22 = 4.70-kg and a velocity of 70.0 m/s due north. What is the magnitude of the velocity of part (3)?

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54.3 m/sec

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