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A motor vehicle travelled the first thir...

A motor vehicle travelled the first third of a distance s at a speed of `v_(1)=10` kmph, the second third at a speed of `v_(2)`=20 kmph and the last third at a speed of `v_(3)=60`kmph determine the mean speed of the vehicle over the entire distances.

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18 kmph
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AAKASH SERIES-MOTION IN A STRAIGHT LINE -Numerical exercise(LEVEL-1)
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  14. If an object reaches a maximum vertical height of 23.0 m when vertical...

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  18. A ball is vertically project with an initial velocity 0f 40ms^(-1).Fin...

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