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Two insulating spheres have radii 0.300 cm and 0.500 cm, masses 0.350 kg and 0.700 kg, and uniformly distributed charges of -2.00 µC and 2.50 µC. They are released from rest when their centers are separated by 1.00 m.

(a) How fast will each be moving when they collide? (Hint: Consider conservation of energy and of linear momentum.)

m/s (lighter sphere)
m/s (heavier sphere)

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