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The graph given 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=3.0m` ? A. `0.0J`B. `20J`C. `50 J`D. `60 J` |
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Answer» Correct Answer - C Area `=` work done `=(1)/(2)xx20xx1+2xx20=50=` change in `KE` |
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