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In an XY horizontal plane a force field ...

In an XY horizontal plane a force field `vecF=-(40N//m)(yhati+xhatj)` is present where x and y are the coordinates of any point on the plane. A smooth rod AB is fixed in the plane as shown in the figure. A particle of mass 5kg is to be released with a velocity in this force field such that it reaches to point B. Find the minimum velocity that must be imparted along the rod at A such that it reaches to B.

A

1 m/s

B

2 m/s

C

3 m/s

D

4 m/s

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The correct Answer is:
B
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