6. An object of mass 2.0 kg, moving with an initial velocity of 5.5 m/s, collides with and sticks to an object of mass 4.0 kg with an initial velocity of –3.2ĵ m/s. Find the final velocity of the composite object. (Express your answer in terms of unit vectors.)

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Q: When looking at the measurements with percentage relative error, what is more accurate? Using ruler…

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