When one moves from a point 16 km below the earth's surface to a point 16 km above the earth's surface. The change in g is approximately α %. The…

When one moves from a point $\displaystyle 16$ km below the earth's surface to a point $\displaystyle 16$ km above the earth's surface. The change in g is approximately $\displaystyle \alpha \%$. The value of $\displaystyle \alpha$ is $\displaystyle \_\_\_\_$. (Take radius of the earth $\displaystyle =6400 \mathrm{~km}$.)