Answered: A 8.8 kg mass moving in a circle…

A 8.8 kg mass moving in a circle (diameter = 2.3 m). The angular momentum varies in time as l = 3.8t2. What is the net torque acting on the mass at 7.1 s? Enter your answer to the tenth's place.

Physics for Scientists and Engineers: Foundations and Connections

1st Edition

ISBN:9781133939146

Author:Katz, Debora M.

Publisher:Katz, Debora M.

Chapter13: Rotation Ii: A Conservation Approach

Section: Chapter Questions

Problem 71PQ: A long, thin rod of mass m = 5.00 kg and length = 1.20 m rotates around an axis perpendicular to...

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Question

A 8.8 kg mass moving in a circle (diameter = 2.3 m). The angular momentum varies in time as l = 3.8t². What is the net torque acting on the mass at 7.1 s? Enter your answer to the tenth's place.

Definition Definition Product of the moment of inertia and angular velocity of the rotating body: (L) = Iω Angular momentum is a vector quantity, and it has both magnitude and direction. The magnitude of angular momentum is represented by the length of the vector, and the direction is the same as the direction of angular velocity.

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