If then radius of earth R, then the height at which the value of becomes one-fourth, will be |
|||||||
a) |
b) |
c) |
d) |
If then radius of earth R, then the height at which the value of becomes one-fourth, will be |
|||||||
a) |
b) |
c) |
d) |
(b)
The value of acceleration due to gravity at height above the surface of the earth is given by