By what approximate altitude above Earth’s surface must a body be raised so that the…

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

Problem

By what approximate altitude above Earth’s surface must a body be raised so that the acceleration due to gravity decreases by

2\%

? (Take

R = 6400\,\text{km}

.) (a)

32\,\text{km}

(b)

160\,\text{km}

(c)

130\,\text{km}

(d)

65\,\text{km}