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If a planet x has some radius as that of earth but if its mass is double that of Earth then find the acceleration on the surface of the planet x

Posted by Neha Malhotra 4 years, 1 month ago

CBSE > Class 09 > Science

1 answers

Parth Surmare 4 years, 1 month ago

Let the radius of earth be r The radius of planet x=r Let the mass of earth be M The mass of planet x = 2M g of earth =GM/r^2=9.8m/s^2 g of planet x= G2M/r^2 g of x / g of earth = (G2M/r^2)/(GM/r^2) g of x = 2× g of earth g of x= 2×9.8 =19.6 m/s^2 Hope that it will help

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