Question

llt 9- Work 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 5.2 m and the point C is at height 2 m with respect to point B. 5.2 m 2 m Find the speed of the bead at B. The accel- eration due to gravity is 9.8 m/s2 Answer in units of m/s. 010 (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 to C Answer in units of J.
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Answer #1

initial potential energy of the bead at point A-U,mgh by the time the bead reach pointB, the kinetic energy of bead- K mv the

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