Two satellites are in circular orbits around the earth. The orbit for satellite A is at a height of 366 km above the earth's surface, while that for...

Two satellites are in circular orbits around the earth. The orbit for satellite A is at a height of 366 km above the earth’s surface, while that for satellite B is at a height of 730 km. Find the orbital speed for (a) satellite A and (b) satellite B.