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A 1.3 kg mass weighs 11.18 N on the surface of a planet similar to Earth....

A 1.3 kg mass weighs 11.18 N on the surface of a planet similar to Earth. The radius of this planet is roughly 7.3 × 106 m. Calculate the mass of of this planet. The value of the universal gravitational constant is 6.67259 × 10−11 N · m2 /kg2 . Answer in units of kg.

The answer for the question #1 above is 6.868307509 x 10^24

I just need the answer to the next problem

Calculate the average density of this planet. Answer in units of kg/m 3 .

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Answer #1

density = mass / volume

D = 6.868307509 x 10^24 / ( 4 /3 * 3.14* ( 7.3* 10^6)^3)

D = 4217.09 kg/m^3

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Comment before rate in case any doubt, will reply for sure.. goodluck

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