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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 | |