A circular saw blade accelerates from rest to an angular speed of 3620 rpm in 6.30 revolutions.

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(a) Find the torque exerted on the saw blade, assuming it is a disk of radius 15.2 cm and mass 0.755 kg.

(b) Is the angular speed of the saw blade after 3.15 revolutions greater than, less than, or equal to 1810 rpm? Explain.

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Physics

ISBN: 978-0321976444

5th edition

Authors: James S. Walker

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Question Posted: Aug 31, 2017 11:30 AM

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A circular saw blade accelerates from rest to an angular speed of 3620 rpm in 6.30 revolutions.

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Picture the Problem A saw blade rotates on its axis and gains rotational kinetic energy due to the t...View the full answer

Physics

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