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m /s 1 m /sThere are two air-track gliders (A, B). A has mass of 1 kg and moves forward at a velocity of 2 m/s. B has mass of 3 kg and moves backward at a velocity of –1 m/s. They collide with each other and stick together afterward. How much kinetic energy (in Joule) is lost after the collision?

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momentum conservation miviemą U2 = (m, rm2) v (x2 – 3x1 = 4V va = -2.25 mis K.E. clost after collision - SKE lost = KEP-KE Ef

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