Planet Z has the same average density as Earth multiplied by and a radius that is…

PHYSICS · Subjective · A Level · Physics · Fields and their consequences · Fields and their consequences

Problem

Planet Z has the same average density as Earth multiplied by

0.8

and a radius that is

1.2

times the Earth’s radius. If

g

on Earth is

9.8\,\text{m/s}^2

, find the value of

g

on the surface of Planet Z.