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
0.0J
B
20 J
C
50 J
D
60 J
Text Solution
Verified by Experts
The correct Answer is:
C
Change in KE-Workdone -Area of graph `=1//2(1)(20)+(2)(20)=50J
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