Question

A recently discovered planet has a mass twice as great as Earth's and a radius twice as large as Earth's. What will be the approximate size of its gravitational field?


Apparently it isn't 2 * 9.8...
2m/4r^2

1/2 * g

4.9

Related Questions

A newly discovered giant planet has an aver- age radius 12 times that of the Earth and a mass 722... Suppose a planet is discovered orbiting a distant star with 13 times the mass of the Earth and 1/13... A new planet has been discovered that has a mass one-tenth that of Earth and a radius that is one-si... Suppose a planet is discovered that has the same total mass as the Earth, but half its radius. Calcu...