College Physics
College Physics
11th Edition
ISBN: 9781305952300
Author: Raymond A. Serway, Chris Vuille
Publisher: Cengage Learning
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4. When the angular velocity of a 4 in diameter pulley is 3 rad/sec, the total acceleration of a point on its rim is 30 ft/s. Determine the angular acceleration of the pulley at this instant. 5. Determine the distance x such that the projectile shown below will strike point A. 80 ft/s 70° -40'- 6. A bus moves at the rate of 40 mph for 7 min, then 65mph for 10 min, and finally 10mph for 3 min. What is the average velocity in ft/s for the total interval? 8. The wheels of a car are 28 inches in diameter. How many revolutions per minute does each wheel make when the car is moving at 35 miles per hour
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Transcribed Image Text:4. When the angular velocity of a 4 in diameter pulley is 3 rad/sec, the total acceleration of a point on its rim is 30 ft/s. Determine the angular acceleration of the pulley at this instant. 5. Determine the distance x such that the projectile shown below will strike point A. 80 ft/s 70° -40'- 6. A bus moves at the rate of 40 mph for 7 min, then 65mph for 10 min, and finally 10mph for 3 min. What is the average velocity in ft/s for the total interval? 8. The wheels of a car are 28 inches in diameter. How many revolutions per minute does each wheel make when the car is moving at 35 miles per hour
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