Question

If the mass of the earth and all objects on it were suddenly doubled, but the size remained the same, the acceleration due to gravity at the surface would become
A) 1/2 of what it now is.
B) 2 times what it now is.
C) 1/4 of what it now is.
D) the same as it now is.
E) 4 times what it now is.

Answer 1

its a i just have to type more but its a

Answer 2

The answer is B) 2 times what it is now.