At what height above the earth's surface, the value of g is half of its value on the earth's surface? Its given radius is 6400km.

At what height above the earth's surface, the value of g is half of it

1.	At what height above the earth's surface, the value of g is half of its value on the earth's surface? Its given radius is 6400km.
Answer» G g mg none of the above Answer :B