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The graph below shows how the force on a mass depends on the position of the mass. What is the change in the kinetic energy of the mass as it moves from x=0.0m to x=3.0 m ? A. 0.0JB. 20 JC. 50 JD. 60 J |
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Answer» Correct Answer - C Change in KE-Workdone -Area of graph `=1//2(1)(20)+(2)(20)=50J |
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