### The magnitude of the angular momentum of the system

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Q1. Two astronauts, each having a mass of 95.0 kg, are connected by a 10.0-m rope of negligible mass. They are isolated in space, moving in circles around the point halfway between them at a speed of 4.70 m/s. treating the astronauts as particles, compute each of the following. The magnitude of the angular momentum of the system.

Q2. A father (m = 70 kg) and son (m = 45 kg) are standing facing each other on a frozen pond. The son pushes on the father and finds himself moving backward at 3 m/s after they have separated. How fast will the father be moving?

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