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A car moves a distance of 200 m. It cove...

A car moves a distance of `200 m`. It covers the first-half of the distance at speed `40km//h` and the second-half of distance at speed `v km//h`. The average speed is `48km//h`. Find the value of v.

Text Solution

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`48=(200xx10^(-3))/(((100xx10^(-3))/40)=((100xx10^(-3))/v))`
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