If radius of the earth is doubled without change in its mass, what will be the length of the day?

If the radius of the earth is doubled without changing its mass, what will be the change in weight of body of m on the surface of earth ?

If radius of earth is reduced to half without changing its mass,

If radius of the earth is reduced by n times without changing its mass, then what will be the magnitude of g'_e at the surface of earth?

If radius of earth is increased, without chage in its mass, will the length of day increase, decrease or remain same?

If radius of earth is increased, without chage in its mass, will the length of day increase, decrease or remain same?

If radius of the earth contracts to half of its present value without change in its mass, what will be the new duration of the day?

If the radius of the earth contracts to half of its present value without change in its mass, what will be the new duration of the day?

If the radius of the earth contracts to half of its present value without change in its mass, what will be the new duration of the day?

If radius of the earth contracts to half of its present value without change in its mass, what will be the new duration of the day?