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007 (part 1 of 2) 10.0 points A 0.6 kg bead slides on a curved wire, starting from rest at point A as shown in the figure The segment from A to B is frictionless, and the segment from B to C is rough. The point A is at height 9.1 m and the point C is at height 1.8 m with respect to point B 1.8 m Find the speed of the bead at B. The accel- eration due to gravity is 9.8 m/s Answer in units of m/s 008 (part 2 of 2) 10.0 points If the bead comes to rest at C, find the change in mechanical energy due to friction as it moves from B tOC Answer in units of J

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