A centrifuge slows down or speeds up from 4,988 rpm to 9,644 rpm in 14 seconds. Assuming constant angular acceleration, determine the number of revolutions it goes through in this time. Express your answers using zero decimal places.

A centrifuge slows down or speeds up from 4,988 rpm to 9,644 rpm in 14 seconds. Assuming constant angular acceleration, determine the number of revolutions it goes through in this time. Express your answers using zero decimal places.

Principles of Physics: A Calculus-Based Text

5th Edition

ISBN:9781133104261

Author:Raymond A. Serway, John W. Jewett

Publisher:Raymond A. Serway, John W. Jewett

Chapter10: Rotational Motion

Section: Chapter Questions

Problem 5P: The tub of a washer goes into its spin cycle, starting from rest and gaining angular speed steadily...

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Concept explainers

Angular speed, acceleration and displacement

Angular acceleration is defined as the rate of change in angular velocity with respect to time. It has both magnitude and direction. So, it is a vector quantity.

Angular Position

Before diving into angular position, one should understand the basics of position and its importance along with usage in day-to-day life. When one talks of position, it’s always relative with respect to some other object. For example, position of earth with respect to sun, position of school with respect to house, etc. Angular position is the rotational analogue of linear position.

Question

A centrifuge slows down or speeds up from 4,988 rpm to 9,644 rpm in 14 seconds. Assuming constant angular acceleration, determine the number of
revolutions it goes through in this time. Express your answers using zero decimal places.

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