Multiple Choice
A playground merry-go-round has a radius of 3.0 m and a rotational inertia of 600 kg∙m2.It is initially spinning at 0.80 rad/s when a 20-kg child crawls from the center to the rim.When the child reaches the rim the angular velocity of the merry-go-round is:
A) 0.62 rad/s
B) 0.73 rad/s
C) 0.77 rad/s
D) 0.91 rad/s
E) 1.1 rad/s
Correct Answer:
Verified
Correct Answer:
Verified
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