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The graph below shows how the force on a...

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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