The escape speed at Earth’s surface is about

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

Problem

11.2\,\text{km\,s}^{-1}

. Using the data: mass of the Moon

7.35\times10^{22}\,\text{kg}

, radius of the Moon

1.74\times10^{6}\,\text{m}

, estimate the escape speed from the Moon’s surface in

\text{km\,s}^{-1}