College Physics
College Physics
11th Edition
ISBN: 9781305952300
Author: Raymond A. Serway, Chris Vuille
Publisher: Cengage Learning
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Hi , can I get some help with those practice questions? I’m stuck. Can you please explain the process . thank you
**Physics Problem Set—Circular Motion and Weightlessness** --- **9. Problem: Whirling a Brick in a Vertical Circle** Consider a 1-kg brick being whirled in a vertical circle at the end of a 1-meter rope. a. **Critical Velocity**: What critical velocity must the brick achieve to pass safely through the top of its circular path? b. **Tension in the Rope**: What is the tension in the rope as it is passing through the top of its circular path? c. **Critical Velocity on the Moon**: How would the critical velocity of the brick be if it were to be whirled on the moon, where the acceleration due to gravity is \( \frac{1}{6} \) that on Earth? --- **10. Problem: Experiencing Weightlessness While Driving** While driving to work, you pass over a "crest" in the road that has a radius of 30 meters. *Diagram Description*: The diagram shows a vehicle passing over a curved path with a radius of 30 meters. a. **Speed for Apparent Weightlessness**: How fast would you need to be traveling to experience apparent "weightlessness" while passing over the crest? ---
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Transcribed Image Text:**Physics Problem Set—Circular Motion and Weightlessness** --- **9. Problem: Whirling a Brick in a Vertical Circle** Consider a 1-kg brick being whirled in a vertical circle at the end of a 1-meter rope. a. **Critical Velocity**: What critical velocity must the brick achieve to pass safely through the top of its circular path? b. **Tension in the Rope**: What is the tension in the rope as it is passing through the top of its circular path? c. **Critical Velocity on the Moon**: How would the critical velocity of the brick be if it were to be whirled on the moon, where the acceleration due to gravity is \( \frac{1}{6} \) that on Earth? --- **10. Problem: Experiencing Weightlessness While Driving** While driving to work, you pass over a "crest" in the road that has a radius of 30 meters. *Diagram Description*: The diagram shows a vehicle passing over a curved path with a radius of 30 meters. a. **Speed for Apparent Weightlessness**: How fast would you need to be traveling to experience apparent "weightlessness" while passing over the crest? ---
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