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(1) A centrifuge accelerates uniformly from rest to 15,000 rpm in 240 s. Through how many revolutions did it turn in this time?

(1) A centrifuge accelerates uniformly from rest to 15,000 rpm in 240 s. Through how many revolutions did it turn in this time?

College Physics
College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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lar rubber is he ratio cf their angular velocities, w1/w,? with it at their outer edges. 8-2 snd -3 Constant Angular Acceleration; Rolling 17. (I) An automobile engine slows down from 3500 rpm to 1200 rpm in 2.5 s. Calculate (a) its angular acceleration, assumed constant, and (b) the total number of revolutions the engine makes in this time. 18. (I) A centrifuge accelerates uniformly from rest to 15,000 rpm in 240 s. Through how many revolutions did it turn in this time? 19. (I) Pilots can be tested for the stresses of flying high-speed jets in a whirling “human centrifuge," which takes 1.0 min to turn through 23 complete revolutions before reaching its final speed. (a) What was its angular acceleration nal angular (assumed constant), and (b) what wa speed in rpm? nning at ID A cooling fan is t
Transcribed Image Text:lar rubber is he ratio cf their angular velocities, w1/w,? with it at their outer edges. 8-2 snd -3 Constant Angular Acceleration; Rolling 17. (I) An automobile engine slows down from 3500 rpm to 1200 rpm in 2.5 s. Calculate (a) its angular acceleration, assumed constant, and (b) the total number of revolutions the engine makes in this time. 18. (I) A centrifuge accelerates uniformly from rest to 15,000 rpm in 240 s. Through how many revolutions did it turn in this time? 19. (I) Pilots can be tested for the stresses of flying high-speed jets in a whirling “human centrifuge," which takes 1.0 min to turn through 23 complete revolutions before reaching its final speed. (a) What was its angular acceleration nal angular (assumed constant), and (b) what wa speed in rpm? nning at ID A cooling fan is t
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