Physics

Physics

Problem

The escape speed from the lunar surface is

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

. What is the escape speed from a point

150\,\text{km}

above the Moon’s surface? (Take lunar radius

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

.) a)

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

b)

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

c)

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

d)

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

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