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A particle moves in one dimension from rest under the influence of a force that varies with the distance travelled by the particle as shown in the figure. The kinetic energy of the particle after it has travelled 3m is - Force (in N) 3 2 1 1 2 3 Distance (in m)

1. 2.5 J
2. 6.5 J
3. 4 J
4. 5 J

Correct answer: 6.5 J

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