In a certain region of space the magnitude of gravitational field intensity varies…

PHYSICS · Subjective · A Level · Physics · Fields and their consequences · Fields and their consequences

Problem

In a certain region of space the magnitude of gravitational field intensity varies with radial distance rr (in metres) according to g(r)=24r2 N kg−1g(r)=\dfrac{24}{r^{2}}\,\text{N kg}^{-1}. Determine the gravitational potential difference V(3 m)−V(8 m)V(3\,\text{m})-V(8\,\text{m}).

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