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In the track shown in figure section AB ...

In the track shown in figure section AB is a quadrant of a circle of 1 metre radius in vertical plane. A block is released at A and slides without friction until it reaches at B. After B it moves on a rough horizontal floor and comes to rest at D, 3 metres from B. The coefficient of friction between floor and the body will be : Im HUWW WWWWWWWWWWATUITD B

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