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OpenStudy (anonymous):
Two 2.0 kg bodies, A and B, collide. The velocities before the collision are A = (15i + 30j) m/s and B = (-10i + 5.0j) m/s. After the collision, ′A = (-5.0i + 20j) m/s. What is the final velocity of B? (c) What is the change in the total kinetic energy (including sign)?
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