COLLEGE PHYSICS
2nd Edition
ISBN: 9781464196393
Author: Freedman
Publisher: MAC HIGHER
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Chapter 11, Problem 81QAP
To determine
The initial flow rate of the oil from the hole
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Two astronauts, each having a mass of 95.5 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 4.60 m/s. Treating the astronauts as particles, calculate each of the following.
CG
×
d
(a) the magnitude of the angular momentum of the system
kg m2/s
(b) the rotational energy of the system
KJ
By pulling on the rope, the astronauts shorten the distance between them to 5.00 m.
(c) What is the new angular momentum of the system?
kg m2/s
(d) What are their new speeds?
m/s
(e) What is the new rotational energy of the system?
KJ
(f) How much work is done by the astronauts in shortening the rope?
KJ
Chapter 11 Solutions
COLLEGE PHYSICS
Ch. 11 - Prob. 1QAPCh. 11 - Prob. 2QAPCh. 11 - Prob. 3QAPCh. 11 - Prob. 4QAPCh. 11 - Prob. 5QAPCh. 11 - Prob. 6QAPCh. 11 - Prob. 7QAPCh. 11 - Prob. 8QAPCh. 11 - Prob. 9QAPCh. 11 - Prob. 10QAP
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