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A point traversed half of the total dist...

A point traversed half of the total distance covered by its with velocity `v_0`.The remaining part of the distance was covered with velocity `v_1` for half of the remaining time, and with velocity `v_2` for the other half of the remaining time.Find the mean velocity of the point over the whole time of motion.

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The correct Answer is:
=`(2v_0(v_1+v_2))/(2v_0+v_1+v_2)`
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