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31. A 2.55 kg bucket of sand is attached to a 1.31­m long rope and is swung in a vertical circle. At the bottom of the circle the tension in the rope is 30.2 N. What is the speed of the bucket of sand at the bottom of the circle? A. 1.85 m/s B. 2.61 m/s C. 3.41 m/s D. 6.01 m/s

31. A 2.55 kg bucket of sand is attached to a 1.31­m long rope and is swung in a vertical circle. At the bottom of the circle the tension in the rope is 30.2 N. What is the speed of the bucket of sand at the bottom of the circle? A. 1.85 m/s B. 2.61 m/s C. 3.41 m/s D. 6.01 m/s

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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31. A 2.55 kg bucket of sand is attached to a 1.31­m long rope and is swung in a vertical circle. At the bottom of the circle the tension in the rope is 30.2 N. What is the speed of the bucket of sand at the bottom of the circle?
A. 1.85 m/s
B. 2.61 m/s
C. 3.41 m/s
D. 6.01 m/s

**Unit 4: Circular Motion** --- **Question 31:** A 2.55 kg bucket of sand is attached to a 1.31-meter long rope and is swung in a vertical circle. At the bottom of the circle, the tension in the rope is 30.2 N. What is the speed of the bucket of sand at the bottom of the circle? - A) 1.85 m/s - B) 2.61 m/s - C) 3.41 m/s - D) 6.01 m/s --- **Question 32:** A 40.0 cm diameter pulley is attached to a motor and is rotating at 1,800 revolutions per minute. What is the acceleration of a point on the outer edge of the pulley? - A) 7,100 m/s² - B) 14,200 m/s² - C) 17,000 m/s² - D) 72,000 m/s² --- This section presents problems related to circular motion, specifically involving centripetal force and acceleration. Diagrams or graphs were not included in this content.
Transcribed Image Text:**Unit 4: Circular Motion** --- **Question 31:** A 2.55 kg bucket of sand is attached to a 1.31-meter long rope and is swung in a vertical circle. At the bottom of the circle, the tension in the rope is 30.2 N. What is the speed of the bucket of sand at the bottom of the circle? - A) 1.85 m/s - B) 2.61 m/s - C) 3.41 m/s - D) 6.01 m/s --- **Question 32:** A 40.0 cm diameter pulley is attached to a motor and is rotating at 1,800 revolutions per minute. What is the acceleration of a point on the outer edge of the pulley? - A) 7,100 m/s² - B) 14,200 m/s² - C) 17,000 m/s² - D) 72,000 m/s² --- This section presents problems related to circular motion, specifically involving centripetal force and acceleration. Diagrams or graphs were not included in this content.
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