College Physics
11th Edition
ISBN: 9781305952300
Author: Raymond A. Serway, Chris Vuille
Publisher: Cengage Learning
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- 166. A physics experiment is set up using two pulleys, a string, and a weight as shown below. The larger pulley has a radius of 20 centimeters, and the smaller pulley has a radius of 5 centimeters. The distance between the centers of the pulleys is 51 centimeters. The string is pulled tightly across both pulleys so that AB is a common tangent of the pulleys. Find the length of string from A to B to the nearest tenth of a centimeter. B weightarrow_forwardA hoop of radius Rμ and mass mч and a solid cylinder of radius Rc and mass mc are released simultaneously at the top of a plane ramp of length L inclined at angle 0 above the horizontal plane. Which reaches the bottom of the plane first, and what is the speed of each? (solid cylinder)arrow_forwardIn the figure here, a solid brass ball of mass 0.237 g will roll smoothly along a loop-the-loop track when released from rest along the straight section. The circular loop has radius R = 0.17 m, and the ball has radius r << R. (a) What is h if the ball is on the verge of leaving the track when it reaches the top of the loop? (b) If the ball is released at height h = 7R, what is the magnitude of the horizontal force component acting on the ball at point Q? (a) h= i (b) F= i R g < <arrow_forward
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