Two ball of equal masses ma 40g and mb 60g are, Ask an Expert

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Two ball, of equal masses mA = 40g and mB = 60g, are suspendedas shown. The lighter ball is pulled away to a 60degree anglewith the vertical and released.

(a) What is the velocity of the lighter ball beforeimpact.

(b) What is the velocity of each ball after the elastic collision?

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