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An object of mass 2.90 kg, moving with an initial velocity of 4.90 î m/s, collides...

An object of mass 2.90 kg, moving with an initial velocity of 4.90 î m/s, collides with and sticks to an object of mass 1.91 kg with an initial velocity of -3.97 ĵ m/s. Find the final velocity of the composite object. v with arrow = (____ î + ____ ĵ) m/s

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