What is change in the total kinetic energy including sign

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Two 1.6 kg bodies, A and B, collide. The velocities before the collision are vector vA = (18i hat + 35j hat) m/s and vector vB = (-10i hat + 10.0j hat) m/s. After the collision, vector v'A = (-2.0i hat + 22j hat) m/s.

(a) What is the final velocity of B?

(b) What is the change in the total kinetic energy (including sign)?

Reference no: EM13340114

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