Calculate the approximate escape speed from the Moon given that the acceleration due…

PHYSICS · Single correct · A Level · Physics · Fields and their consequences · Fields and their consequences

Problem

Calculate the approximate escape speed from the Moon given that the acceleration due to gravity at its surface is

1.6\,\text{m\,s}^{-2}

and its radius is

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

. (a)

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

(b)

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

(c)

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

(d)

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