Force vec F, = Fhat{i} on a particle of mass 2, kg , moving along x- axis is given in figure as a fu

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5.Work, Energy, Power and Collision

hard

The force $\vec F\, = F\hat i$ on a particle of mass $2\, kg$, moving along the $x-$ axis is given in the figure as a function of its position $x$. The particle is moving with a velocity of $5\, m/s$ along the $x-$ axis at $x\, = 0$. What is the kinetic energy of the particle at $x\,= 8\, m$ ? .................. $\mathrm{J}$

A

$34$

B

$34.5$

C

$4.5$

D

$29.4$

(AIEEE-2012)

Solution

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Standard 11

Physics

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