A wheel of radius 1 metre rolls forward half a Revolution on a horizontal ground find the magnitude of the displacement of the point of the wheel initially in contact with the ground. PLzz urg ent be fast
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A is the point of wheel that was initially in contact with Earth,C is its final point. Distance from B to C will be the diameter of circle = 2 m. Hence,the displacement is √( 4 + π² )m
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