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Physics 7 Online
OpenStudy (anonymous):

1) Find the Work done by the Friction on the 50kg object (Graph Attached) u=0.250 2) Find the Change in Potential energy as the 50kg object moves from A to B for 20m 3) Find the change in Kinetic Energy 4) Find the velocity of the system (This is a question of a test I took, I'm doing it from memory, so I may be missing some stuff) Please, if you have any idea how to start let me know.

OpenStudy (anonymous):

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