A moon of Jupiter

PHYSICS · Multi-part · A Level · Physics · Fields and their consequences · Fields and their consequences

Problem

A moon of Jupiter, call it Moon X, orbits at a radius of

4.0\times10^{8}\,\text{m}

and takes

1.77\,\text{days}

to complete one revolution. (i) Orbital period of Moon Y (ii) Average orbital speed of Moon Y