A particle moves in one dimension from r...

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:

2.5 J

5 J

6.5 J

4 J

Text Solution

Verified by Experts

The correct Answer is:

KE of particle = work done by force = area under F–s curve `2 xx 2 + 1/2 xx(2 + 3) xx 1 = 6.5J`

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