Principles of Physics 11th ISV Edition · Rotation · Problem 26
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Walker, Halliday & Resnick — Rotation: Problem 26
26 The flywheel of a steam engine runs with a constant angular velocity of 160 rev/min. When steam is shut off, the friction of the bearings and of the air stops the wheel in 2.2 h. (a) What is the constant angular acceleration, in revolutions per minute-squared, of the wheel during the slowdown? (b) How many revolutions does the wheel make before stopping? (c) At the instant the flywheel is turning at 75 rev/min, what is the tangential component of the linear acceleration of a flywheel particle that is 50 cm from the axis of rotation? (d) What is the magnitude of the net linear acceleration of the particle in (c)?
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주어진 조건: , in, 50 cm
구하는 것: (a) What is the constant angular acceleration; (b) How many revolutions does the wheel make before stopping?; (c) At the instant the flywheel is turning at 75 rev/min
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Principles of Physics · 11th ISV Edition
저자: Walker, Halliday & Resnick
출판사: Wiley
단원: Rotation