A ball moving with a velocity of 6 m/s strikes an identical stationary ball. After collision each ball moves at angle of 30 with the original line of motion. Assuming that the collision is elastic, what are the speeds of the balls after the collision?
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2*V cos 30 = 6
V =3*2/root3=2root 3
V =3*2/root3=2root 3
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