A decrease of in the value of is required

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

Problem

A decrease of

1\%

in the value of

g

is required. Which one of the following single trips will achieve this most nearly? (Take Earth’s radius

R = 6400\,\text{km}

.) (a) Go

64\,\text{km}

up from the surface. (b) Go

64\,\text{km}

down into the Earth. (c) Go

32\,\text{km}

up from the surface. (d) Go

32\,\text{km}

down into the Earth.