In 1932, Albert Dremel of Racine, Wisconsin, created his rotary tool that has come to be...
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In 1932, Albert Dremel of Racine, Wisconsin, created his rotary tool that has come to be known as a dremel. Suppose a dremel starts from rest and achieves an operating speed of 35,000 rev/min. If it requires 1.20 s for the tool to reach operating speed and it is held at that speed for 49.0 s, how many revolutions has the bit made? What is the average angular acceleration ₁,2 for the start-up period? 0 = α3,z rev || α1,z Suppose it requires another 8.30 s for the tool to return to rest. What is the average angular acceleration a3,z for the slow-down period? How many revolutions tot does the tool complete from start to finish? rad/s² = Orot rad/s² = rev In 1932, Albert Dremel of Racine, Wisconsin, created his rotary tool that has come to be known as a dremel. Suppose a dremel starts from rest and achieves an operating speed of 35,000 rev/min. If it requires 1.20 s for the tool to reach operating speed and it is held at that speed for 49.0 s, how many revolutions has the bit made? What is the average angular acceleration ₁,2 for the start-up period? 0 = α3,z rev || α1,z Suppose it requires another 8.30 s for the tool to return to rest. What is the average angular acceleration a3,z for the slow-down period? How many revolutions tot does the tool complete from start to finish? rad/s² = Orot rad/s² = rev
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Intellectual Property- The Law of Trademarks, Copyrights, Patents, and Trade Secrets
ISBN: 978-1428318366
3rd Edition
Authors: Deborah E. Bouchoux
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