The magnitude of gravitational potential energy of a body at a distance r from the centre…
Physics · JEE Advanced · NTA Exams — Gravitation
The magnitude of gravitational potential energy of a body at a distance r from the centre of earth is u. Its weight at a distance 2r from the centre of earth is
- \(\frac{u}{r}\)
- \(\frac{u}{4 r}\)
- \(\frac{u}{2 r}\)
- \(\frac{4 r}{u}\)
Answer
(B) u 4 r
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