The paths of two small satellites, X and Y, of equal mass of 8 kg each, are show

Question

The paths of two small satellites, X and Y, of equal mass of 8 kg each, are shown below. They orbit around a massive star, as illustrated, with M = 4.2x10^29 kg. The orbits are in the plane of the paper and are drawn to scale.

In the statements below KE is kinetic energy, PE is potential energy, and |L| is magnitude of the angular momentum.

Answer equal to, less than, or greater than for each statement.

1. The |L| of X at c is ... that at p.

2. The speed of Y at r is ... that at n.

3. The PE of X at i is ... the PE of Y at u.

4. At n, the PE of X is ... that of Y.

5. At m, the KE of Y is ... that of X.

Explanation / Answer

1.equal to

2.greater than

3.greater than

4.less than

5.equal to

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