Physics for Scientists and Engineers, Technology Update, Hybrid Edition (with Enhanced WebAssign Multi-Term LOE Printed Access Card for Physics)
9th Edition
ISBN: 9781305116429
Author: Raymond A. Serway, John W. Jewett
Publisher: Cengage Learning
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Textbook Question
Chapter 10, Problem 10.37P
A potter’s wheel—a thick stone disk of radius 0.500 m and mass 100 kg—is freely rotating at 50.0 rev/min. The potter can stop the wheel in 6.00 s by pressing a wet rag against the rim and exerting a radially inward force of 70.0 N. Find the effective coefficient of kinetic friction between wheel and rag.
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A block of mass
m1 = 1.50 kg
and a block of mass
m2 = 6.25 kg
are connected by a massless string over a pulley in the shape of a solid disk having radius
R = 0.250 m
and mass
M = 10.0 kg.
The fixed, wedge-shaped ramp makes an angle of
? = 30.0°
as shown in the figure. The coefficient of kinetic friction is 0.360 for both blocks.
(b) Determine the acceleration of the two blocks. (Enter the magnitude of the acceleration.)
A block of mass m1 =2,00 kg and a block of mass m2=6,00 kg are connected by a rope negligible mass over a pulley in the shape of a solid disk that has radius R= 0,250 m and mass M=10,0 kg. These blocks are allowed to move on an incline ramp of angle30.00, as shown in the figure. The coefficient of kinetic friction between the blocks and the ramp is 0,360. Determine (a) the acceleration of the system and b) the tensions in the rope on both sides of the pulley.
Object A weighs 64.4 lb and has a radius of gyration of 0.60 ft with respect to a horizontal axis through G, and it rolls without slipping on the incline. The velocity of block B changes from 15.0 fps upward to 6.0 fps upward while moving upward a total distance of 6.00 ft. Calculate the weight of block B.
Chapter 10 Solutions
Physics for Scientists and Engineers, Technology Update, Hybrid Edition (with Enhanced WebAssign Multi-Term LOE Printed Access Card for Physics)
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