Question

I don't understand this....
Please any one Understand my this problem...​

Answer 1

Answer:

It is saying that 'Let gc and gp be the gravitational acceleration on the surface of the earth and there is an another planet whose mass and radius (half of centre of the circle) is twice of earth

So the relation will be

gp = 1/2 gc

I HOPE YOU HAVE UNDERSTOOD

I HAVE TRIED MY BEST

Answer 2

Answer:

1ST ONE HAS GIVEN YOU CORRECT ANSWER