At a certain factory, 300 kg crates are dropped vertically

Fundamentals of Physics | 10th Edition | ISBN: 9781118230718 | Authors: David Halliday

Problem 78 Chapter 8

Fundamentals of Physics | 10th Edition

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Fundamentals of Physics | 10th Edition | ISBN: 9781118230718 | Authors: David Halliday

Fundamentals of Physics | 10th Edition

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Problem 78

At a certain factory, 300 kg crates are dropped vertically from a packing machine onto a conveyor belt moving at 1.20 m/s (Fig. 8-64). (A motor maintains the belts constant speed.) The coefficient of kinetic friction between the belt and each crate is 0.400. After a short time, slipping between the belt and the crate ceases, and the crate then moves along with the belt. For the period of time during which the crate is being brought to rest relative to the belt, calculate, for a coordinate system at rest in the factory, (a) the kinetic energy supplied to the crate, (b) the magnitude of the kinetic frictional force acting on the crate, and (c) the energy supplied by the motor. (d) Explain why answers (a) and (c) differ. Figure 8-64 78.

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Chapter 13 Kinetics of a Particle: Force and Acceleration Rectangular Components P ▯▯ = ▯▯ ¨ P ▯▯ = ▯▯ ¨ P ▯ = ▯▯ ¨ ▯ Normal-Tangential...

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Chapter 8, Problem 78 is Solved
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Textbook: Fundamentals of Physics
Edition: 10
Author: David Halliday
ISBN: 9781118230718

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