### Average Velocity

##### Score: 2 Points

A particle traversed a distance $d=100m$. It passed half the distance with a velocity $10m/s$. The remaining part of the distance covered with velocity $20m/s$ for half the time, and with velocity $15m/s$ for the other half of the time. Find the mean velocity of the particle averaged over the whole time of motion.

Kinematics

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First Solve @surjabanik432