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A body of mass m moves in a vertical pla...

A body of mass m moves in a vertical plane on a curved surface with constant speed V at all points. If m= 2 kg, g = 10 m/`s^2` , v=`sqrt`5 m/s and R =1m (R: radius of curvature of A) then the normal reaction of road on the body at A in SI units is..

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