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The gravitational field in a region is g...

The gravitational field in a region is given by `vecg=(5hati+12hatj)"N kg"^(-1)`. The change in the gravitational potential energy of a particle of mass 2kg when it is taken from the origin to a point `(7m, -3m)` is

A

71 J

B

`13sqrt(58)J`

C

2 J

D

1 J

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The correct Answer is:
C
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