Physics

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.