How fast is the smaller sphere moving when they collide

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Two insulating spheres having a radii of 0.44cm and 0.64cm, masses 0.16kg and 0.49kg, and -2e-6C and 4e-6C are released from rest when their centers are sepatrated by 1.4m. How fast is the smaller sphere moving when they collide?

Reference no: EM13312816

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