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Sahay Sir > Question Answers > JEE Mains Physics 2002-2019 Solved Video Solutions > Chapter 6 - Gravitation > The ratio of the weights of a body on the Earth’s surface to that on the surface of a planet is 9:4. The mass of the planet is 9/1 th of that of the Earth. If ‘R’ is the radius of the Earth, what is the radius of the planet ? (Take the planets to have the same mass density)

The ratio of the weights of a body on the Earth’s surface to that on the surface of a planet is 9:4. The mass of the planet is 9/1 th of that of the Earth. If ‘R’ is the radius of the Earth, what is the radius of the planet ? (Take the planets to have the same mass density)

The ratio of the weights of a body on the Earth's surface to that on the surface of a planet is 9:4. The mass of the planet is 9/1 th of that of the Earth. If 'R' is the radius of the Earth what is the radius of the planet ? (Take the planets to have the same mass density)