Two satellites S1 and S2 orbit around a planet P in circular orbits of radii r1 = 5.30 106 m, and r2 = 8.40 106 m respectively. If the speed of the first satellite S1 is 1.65 104 m/s, what is the speed of the second satellite, S2 in m/s?

A10.0 kg cart and a 15kg cart are locked together with a compressed spring between them. they are then released so that the spring pushes the two carts apart. the 10.0 kg cart is moving at 4.5 m/s afterward. how fast is the 15kg cart moving? 3.0 m/s 2.0 m/s 4.5 m/s 5.0 m/s

The material that keeps its new shape after it is stretched is called?

Two students, each riding bicycles, start from the same apartment building and ride to the same building on campus, but each takes a different route. the first student rides 1100 m due east and then turns due north and travels another 1430 m before arriving at the destination. the second student heads due north for 1930 m and then turns and heads directly toward the destination.at the turning point, how far is the second student from the destination?