## Essential University Physics: Volume 1 (3rd Edition)

$T=6513s$
We know that: $T=\sqrt{\frac{4\pi^2 r^3}{GM}}$ We plug in the known values to obtain: $T=\sqrt{\frac{4(3.1416)^2(1.737\times 10^6)^3}{(6.67\times 10^{-11})(7.35\times 10^{22})}}$ $T=6513s$