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9. An explosion breaks a 28.0-kg object into three parts. The object is initially moving at a velocity of 20.0 m/s due north.
Part (1) has a mass m₁ = 5.30-kg and a velocity of 54.0 m/s due east. Part (2) has a mass m₂ 5.70-kg and a velocity
=>
=
of 75.0 m/s due south. Find the direction of the velocity of part (3).
north west

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