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The 25-lb slender rod has a length of 6 ft. Using a collar of negligible mass, its end A is confined to move along the smooth circular bar of radius 3/2 ft. End B rests on the floor, for which the coefficient of kinetic friction is HB = 0.52. The bar is released from rest when 0 = 30°. (Figure 1) Part A Determine the angular acceleration of the bar at this instant, measured clockwise. Express your answer using three significant figures. Enter positive value if the angular acceleration is clockwise and negative value if the angular acceleration is counterclockwise. ν ΑΣφ vec ? a = 3,29 rad/s² Review your calculations and make sure you round to 3 significant figures in the last step. No credit lost. Try again. Submit Previous Answers Request Answer igure 1 of 1 Provide Feedback Ne 6 ft 312 ft B

The 25-lb slender rod has a length of 6 ft. Using a collar of negligible mass, its end A is confined to move along the smooth circular bar of radius 3/2 ft. End B rests on the floor, for which the coefficient of kinetic friction is HB = 0.52. The bar is released from rest when 0 = 30°. (Figure 1) Part A Determine the angular acceleration of the bar at this instant, measured clockwise. Express your answer using three significant figures. Enter positive value if the angular acceleration is clockwise and negative value if the angular acceleration is counterclockwise. ν ΑΣφ vec ? a = 3,29 rad/s² Review your calculations and make sure you round to 3 significant figures in the last step. No credit lost. Try again. Submit Previous Answers Request Answer igure 1 of 1 Provide Feedback Ne 6 ft 312 ft B

Elements Of Electromagnetics
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
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Please solve carefully and double check your answer! Unit should be rad/s^2 circle final answer solve appropriately
**Educational Content on Angular Acceleration** **Problem Description:** A 25-lb slender rod has a length of 6 ft. Using a collar of negligible mass, its end \( A \) is confined to move along a smooth circular bar of radius \( 3\sqrt{2} \) ft. End \( B \) rests on the floor, where the coefficient of kinetic friction is \( \mu_B = 0.52 \). The bar is released from rest when \( \theta = 30^\circ \). **Objective:** Determine the angular acceleration of the bar at this instant, measured clockwise. **Instructions:** Express your answer using three significant figures. Enter a positive value if the angular acceleration is clockwise and a negative value if the angular acceleration is counterclockwise. **Solution Input Section:** An input box is provided to enter the calculated angular acceleration in radians per second squared (\( \text{rad/s}^2 \)). A sample entry is shown: \( \alpha = 3.29 \, \text{rad/s}^2 \). - **Review Notice:** Ensure calculations are rounded to three significant figures as specified in the instructions. The interface provides feedback: "Review your calculations and make sure you round to 3 significant figures in the last step. No credit lost. Try again." **Diagram Explanation:** - The diagram depicts the setup: - A rod of length 6 ft positioned at an angle \( \theta \). - The rod's endpoint \( A \) slides along a circular path with a radius of \( 3\sqrt{2} \) ft. - Endpoint \( B \) is in contact with the floor. - The angle of \( \theta = 30^\circ \) is indicated. This interactive problem helps students apply concepts of angular motion, forces, and friction in a controlled physics simulation.
Transcribed Image Text:**Educational Content on Angular Acceleration** **Problem Description:** A 25-lb slender rod has a length of 6 ft. Using a collar of negligible mass, its end \( A \) is confined to move along a smooth circular bar of radius \( 3\sqrt{2} \) ft. End \( B \) rests on the floor, where the coefficient of kinetic friction is \( \mu_B = 0.52 \). The bar is released from rest when \( \theta = 30^\circ \). **Objective:** Determine the angular acceleration of the bar at this instant, measured clockwise. **Instructions:** Express your answer using three significant figures. Enter a positive value if the angular acceleration is clockwise and a negative value if the angular acceleration is counterclockwise. **Solution Input Section:** An input box is provided to enter the calculated angular acceleration in radians per second squared (\( \text{rad/s}^2 \)). A sample entry is shown: \( \alpha = 3.29 \, \text{rad/s}^2 \). - **Review Notice:** Ensure calculations are rounded to three significant figures as specified in the instructions. The interface provides feedback: "Review your calculations and make sure you round to 3 significant figures in the last step. No credit lost. Try again." **Diagram Explanation:** - The diagram depicts the setup: - A rod of length 6 ft positioned at an angle \( \theta \). - The rod's endpoint \( A \) slides along a circular path with a radius of \( 3\sqrt{2} \) ft. - Endpoint \( B \) is in contact with the floor. - The angle of \( \theta = 30^\circ \) is indicated. This interactive problem helps students apply concepts of angular motion, forces, and friction in a controlled physics simulation.
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