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Home Q & A Board Science-Related Homework Help Physics
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Chery Chery
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7 years ago
A 5.0-m radius playground merry-go-round with a moment of inertia of 2000 kg ∙ m2 is rotating freely with an angular speed of 1.0 rad/s. Two people, each of mass 60 kg, are standing right outside the edge of the merry-go-round and suddenly step onto the edge with negligible speed relative to the ground. What is the angular speed of the merry-go-round right after the two people have stepped on?
A) 0.20 rad/s
B) 0.40 rad/s
C) 0.60 rad/s
D) 0.80 rad/s
E) 0.67 rad/s
Textbook 
College Physics

College Physics


Edition: 1st
Authors:
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HotMathHotMath
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7 years ago
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Chery Author
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#2
7 years ago
You're right again!

Appreciate it
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