Two astronauts (Fig P11.51), each having a mass of 75.0 kg, are connected by a 10.0-m rope
Question:
(a) The magnitude of the angular momentum of the system and
(b) The rotational energy of the system. By pulling on the rope, one of the astronauts shortens the distance between them to 5.00 m.
(c) What is the new angular momentum of the system?
(d) What are the astronauts€™ new speeds?
(e) What is the new rotational energy of the system?
(f) How much work does the astronaut do in shortening the rope?
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a b c d e f L m 2 2mv 9 L 2750 kg500 ms 500 m ...View the full answer
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