A uniform disk with radius R = [R} m and mass [M} kg rotates in a horizontal plane on africtionless verticalaxle that passes through the center of the disk. The angle through which the disk hasturned varies with time according to0(t) =3.4t + 1.1t³ rads.What is the angular acceleration (rad/s?) of a point on the rim of the disk at the instantafter 1.1 s.

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Answered: What is the angular acceleration…

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Physics

What is the angular acceleration (rad/s2) of a point on the rim of the disk at the instant after 1.1 s.

Glencoe Physics: Principles and Problems, Student Edition

1st Edition

ISBN:9780078807213

Author:Paul W. Zitzewitz

Publisher:Paul W. Zitzewitz

Chapter8: Rotational Motion

Section: Chapter Questions

Problem 5STP

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Concept explainers

Torque

Torque is the rotational equivalent of linear force in physics and mechanics. Based on the course of study, it is also known as the moment of force, rotational force, or turning effect.

Question

A uniform disk with radius R = [R} m and mass [M} kg rotates in a horizontal plane on a
frictionless vertical
axle that passes through the center of the disk. The angle through which the disk has
turned varies with time according to
0(t) =3.4t + 1.1t³ rads.
What is the angular acceleration (rad/s?) of a point on the rim of the disk at the instant
after 1.1 s.

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