A particle moves along a circular path having a radius of 2.0 m. At an instant when speed of the particle is equal to 3.0 m/s and changing at the rate of 5.0 m/s², what the magnitude of the total acceleration of the particle? 4.5 m/s² O 7.5 m/s² O 6.0 m/s² O 5.4 m/s² 6.7 m/s²

A particle moves along a circular path having a radius of 2.0 m. At an instant when speed of the particle is equal to 3.0 m/s and changing at the rate of 5.0 m/s², what the magnitude of the total acceleration of the particle? 4.5 m/s² O 7.5 m/s² O 6.0 m/s² O 5.4 m/s² 6.7 m/s²

University Physics Volume 1

18th Edition

ISBN:9781938168277

Author:William Moebs, Samuel J. Ling, Jeff Sanny

Publisher:William Moebs, Samuel J. Ling, Jeff Sanny

Chapter4: Motion In Two And Three Dimensions

Section: Chapter Questions

Problem 19P

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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

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A particle moves along a circular path having a radius of 2.0 m. At an instant when the
speed of the particle is equal to 3.0 m/s and changing at the rate of 5.0 m/s², what is
the magnitude of the total acceleration of the particle?
4.5 m/s²
O 7.5 m/s²
O
6.0 m/s²
O 5.4 m/s²
O 6.7 m/s²

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