Question

If the mass of a planet is eight times the mass of the earth and it's radius is twice the radius of the earth,what will be the escape velocity for that planet?

Answer 1

escape velocity = √GM/R
earth = √G×M/R
planet. = √G×8M/2R
= √4×GM/R
= 2√GM/R
planet = 2×earth
please mark it as the brainliest answer