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The fan blade below is slowing down. What are the signs of a and w? O w is positive and a is positive. O w is positive and a is negative. O w is negative and a is positive. O w is negative and a is negative.

The fan blade below is slowing down. What are the signs of a and w? O w is positive and a is positive. O w is positive and a is negative. O w is negative and a is positive. O w is negative and a is negative.

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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**Description of the Diagram:** The diagram illustrates a fan blade in motion, rotating in a counterclockwise direction. The diagram includes arrows surrounding the fan blade to indicate the direction of rotation. **Question:** The fan blade below is slowing down. What are the signs of angular velocity (ω) and angular acceleration (α)? **Options:** - ○ ω is positive and α is positive. - ○ ω is positive and α is negative. - ○ ω is negative and α is positive. - ○ ω is negative and α is negative. --- This exercise involves understanding the concepts of angular velocity and angular acceleration in rotational motion. The counterclockwise movement suggests a positive angular velocity. Since the fan blade is slowing down, the angular acceleration would be in the opposite direction, indicating a negative sign.
Transcribed Image Text:**Description of the Diagram:** The diagram illustrates a fan blade in motion, rotating in a counterclockwise direction. The diagram includes arrows surrounding the fan blade to indicate the direction of rotation. **Question:** The fan blade below is slowing down. What are the signs of angular velocity (ω) and angular acceleration (α)? **Options:** - ○ ω is positive and α is positive. - ○ ω is positive and α is negative. - ○ ω is negative and α is positive. - ○ ω is negative and α is negative. --- This exercise involves understanding the concepts of angular velocity and angular acceleration in rotational motion. The counterclockwise movement suggests a positive angular velocity. Since the fan blade is slowing down, the angular acceleration would be in the opposite direction, indicating a negative sign.
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