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| 1. |
a moter vehicle travelled the first third of a distance s at a speed of v1=10kmph, the second third at a speed of v2= 20 kmps and the last third at a speed of v3=60kmph.determine the mean speed of the vehicle over the entire distances. |
| Answer» a moter vehicle travelled the first third of a distance s at a speed of v1=10kmph, the second third at a speed of v2= 20 kmps and the last third at a speed of v3=60kmph.determine the mean speed of the vehicle over the entire distances. | |