A sanding disk with rotational inertia 4.4 x 10°³ kg-m² is attached to an electric drill whose motor delivers a torque of magnitude 14 N-m about the central axis of the disk. About that axis and with torque applied for 18 ms, what is the magnitude of the (a) angular momentum and (b) angular velocity of the disk? (a) Number i Units (b) Number i Units

University Physics Volume 1
18th Edition
ISBN:9781938168277
Author:William Moebs, Samuel J. Ling, Jeff Sanny
Publisher:William Moebs, Samuel J. Ling, Jeff Sanny
Chapter10: Fixed-axis Rotation
Section: Chapter Questions
Problem 87P: A constant torque is applied to a rigid body whose moment of inertia is 4.0kgm2 around the axis of...
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A sanding disk with rotational inertia 4.4 x 103 kg-m2 is attached to an electric drill whose motor delivers a torque of magnitude 14
N-m about the central axis of the disk. About that axis and with torque applied for 18 ms, what is the magnitude of the (a) angular
momentum and (b) angular velocity of the disk?
(a) Number
i
Units
(b) Number
i
Units
Transcribed Image Text:A sanding disk with rotational inertia 4.4 x 103 kg-m2 is attached to an electric drill whose motor delivers a torque of magnitude 14 N-m about the central axis of the disk. About that axis and with torque applied for 18 ms, what is the magnitude of the (a) angular momentum and (b) angular velocity of the disk? (a) Number i Units (b) Number i Units
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