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A force vecF=6t^(2)hati+4thatj is acting...

A force `vecF=6t^(2)hati+4thatj` is acting on a particle of mass 3 kg then what will be velocity of particle at t=3 second and if at t=0, particle is at rest:-

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The correct Answer is:
A, C
`vec(v)=|vec(v)|hat(v), " "[|vec(v)| rarr "speed"]`
Velocity may charge by changing either speed or direction and by both.
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