Question: An object is on the surface of a planet whose radius is 2 . 5 that of Earth. The object weighs 5 times more on

An object is on the surface of a planet whose radius is 2.5 that of Earth. The object weighs 5 times more on the planet than it does on Earth. What is the mass of this planet in terms of Earth's mass? [The gravitational constant G =6.6710-11[:m3kg**s2}
An object is on the surface of a planet whose

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