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44.A boy swim in a 100 m long pool.He covers 60m with a velocity of 20m/s and covers the rest of the distance with a velocity of 10m/s. Calculate the average velocity of the boy. |
| Answer» 44.A boy swim in a 100 m long pool.He covers 60m with a velocity of 20m/s and covers the rest of the distance with a velocity of 10m/s. Calculate the average velocity of the boy. | |