13. Rotational Inertia & Energy
Torque with Kinematic Equations
5:39 minutes
Problem 10.29a
Textbook Question
Textbook QuestionA playground merry-go-round has radius 2.40 m and moment of inertia 2100 kg•m^2 about a vertical axle through its center, and it turns with negligible friction. (a) A child applies an 18.0-N force tangentially to the edge of the merry-go-round for 15.0 s. If the merry-go-round is initially at rest, what is its angular speed after this 15.0-s interval?
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