(adsbygoogle = window.adsbygoogle || []).push({}); 1. The problem statement, all variables and given/known data

Planet X has a mass 8 times that of Earth and the acceleration due to gravity at its surface is 19.6 m/s2. The radius of the planet x compared to earth is:

The answer is 2times bigger

2. Relevant equations

Fg = gm1m2 / r^2

3. The attempt at a solution

Is earths gravity 9.8 and the gravity of planet x is 19.6.

Where would I put these values in ?

1. The problem statement, all variables and given/known data

2. Relevant equations

3. The attempt at a solution

1. The problem statement, all variables and given/known data

2. Relevant equations

3. The attempt at a solution

1. The problem statement, all variables and given/known data

2. Relevant equations

3. The attempt at a solution

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# Homework Help: Universal gravitational problem

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