1.

The value ofthe gravitational field in a region is given by g = 2i + 3j. What is the change in gravitational potential energy of a particle of mass 5kg when it is taken from the origin O(0,0) to a point P(10, -5)? (Letters in bold are vectorial representations)

A. 5 J
B. 10 J
C. 25 J
D. 50 J
Answer» D. 50 J


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