A PLANET OF MASS m MOVES ROUND THE SUN OF MASS m IN A CIRCULAR ORBIT OF RADIUS r WITH ANGULAR SPEED w . ANOTHER PLANET OF MASS 2 m MOVES ROUND THE SUN IN CIRCULAR ORBIT OF RADIUS 2r WITH ANGULAR SPEED w’ . FIND THE RATIO w/w’
A PLANET OF MASS m MOVES ROUND THE SUN OF MASS m IN A CIRCULAR ORBIT OF RADIUS r WITH ANGULAR SPEED w . ANOTHER PLANET OF MASS 2 m MOVES ROUND THE SUN IN CIRCULAR ORBIT OF RADIUS 2r WITH ANGULAR SPEED w’ . FIND THE RATIO w/w’