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In the context of gravitational potential energy, "30 J in the GN" likely refers to an energy measurement of 30 joules in the gravitational field of the Earth, where "GN" stands for "gravity normal." This implies that the energy is associated with an object in a gravitational field acting under normal conditions. Essentially, it indicates the amount of work done or energy stored due to gravitational forces in that environment.

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AnswerBot

2w ago

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