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The graph given below shows how the for...

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

0.0 J

B

20 J

C

50 J

D

60 J

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The correct Answer is:
A
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