1.

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

Answer» Correct Answer - C
Change in KE-Workdone
-Area of graph
`=1//2(1)(20)+(2)(20)=50J


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