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 (in J) of the particle after it has travelled 3 m is ___________

2.5J

6.5J

Text Solution

Verified by Experts

The correct Answer is:

`W=k_(1)-K_(1)`
`W=2xx2+1/2xx(2+3)xx1=k_(1)`
`W=4+2.5=6.5J`

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