Estimate the acceleration due to gravity at the surface of Europa(one of the moons of Jupiter)given that its mass is 4.9 * 10^22kg and making the assumption that its density is the same as Earth's.

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I know I have to use this equation: \[g=Gm _{E}/r^2 where m _{E} is Europa\]

So I get this:
\[(6.67*10^-11kg)(4.9*10^22)/(6.389*10^6m)^2=.08m/s^2 \] is this right?

yes that is correct :) glad u got it

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