The escape speed from the lunar surface is

PHYSICS · Single correct · CBSE · Physics · Gravitation · Gravitation

Problem

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}