A bus starts from rest and travels with a constant acceleration of 1.6 m/s- for 10.3 s. What is the magnitude of the cars displacement (in meters) at the end of the 10.3 s? 3. A drum is rotating initially at 20 rad/s and undergoes a constant angular acceleration of 0.54 rad/s-for 15 s. What is the angular displacement?
A bus starts from rest and travels with a constant acceleration of 1.6 m/s- for 10.3 s. What is the magnitude of the cars displacement (in meters) at the end of the 10.3 s? 3. A drum is rotating initially at 20 rad/s and undergoes a constant angular acceleration of 0.54 rad/s-for 15 s. What is the angular displacement?
Physics for Scientists and Engineers: Foundations and Connections
1st Edition
ISBN:9781133939146
Author:Katz, Debora M.
Publisher:Katz, Debora M.
Chapter12: Rotation I: Kinematics And Dynamics
Section: Chapter Questions
Problem 22PQ: Starting from rest, a wheel reaches an angular speed of 15.0 rad/s in 5.00 s. a. What is the...
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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.
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