Agirl of mass 27.3 kg stands on the rim of a frictionless merry-go-round of radius 1.33 m and rotational inertia 410 kg-m? that is not moving. She throws a rock of mass 928 g horizontally in a direction that is tangent to the outer edge of the merry-go-round. The speed of the rock, relative to the ground, is 8.53 m/s. Afterward, what are (a) the angular speed of the merry-go-round and (b) the linear speed of the girl?

College Physics
11th Edition
ISBN:9781305952300
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Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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Agirl of mass 27.3 kg stands on the rim of a frictionless merry-go-round of radius 1.33 m and rotational inertia 410 kg-m? that is not
moving. She throws a rock of mass 928 g horizontally in a direction that is tangent to the outer edge of the merry-go-round. The speed
of the rock, relative to the ground, is 8.53 m/s. Afterward, what are (a) the angular speed of the merry-go-round and (b) the linear
speed of the girl?
(a) Number
i
Units
(b) Number
i
Units
Transcribed Image Text:Agirl of mass 27.3 kg stands on the rim of a frictionless merry-go-round of radius 1.33 m and rotational inertia 410 kg-m? that is not moving. She throws a rock of mass 928 g horizontally in a direction that is tangent to the outer edge of the merry-go-round. The speed of the rock, relative to the ground, is 8.53 m/s. Afterward, what are (a) the angular speed of the merry-go-round and (b) the linear speed of the girl? (a) Number i Units (b) Number i Units
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