Physics, Books a la Carte Edition (5th Edition)

5th Edition

ISBN: 9780134020853

Author: James S. Walker

Publisher: PEARSON

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Textbook Question

Chapter 13, Problem 20PCE

A ball rolls on a circular track of radius 0.62 m with a constant angular speed of 1.3 rad/s in the counterclockwise direction. If the angular position of the ball at t = 0 is θ = 0, find the x component of the ball’s position at the times 2.5 s, 5.0 s, and 7.5 s Let θ = 0 correspond to the positive x direction.

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Chapter 13, Problem 19PCE

Chapter 13, Problem 21PCE

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Problem 2. A wheel of radius R = 0.1m whose center is fixed on an axle has a string of length l = 15m wrapped around it. It is initially not rotating. The string is pulled off tangentially with a constant tension in t = 1.0s. Find the the angular acceleration of the wheel. Find the final angular velocity of the wheel. How many full rotations does the wheel turn through while the string is being pulled off?

A small object with mass 4.45 kg moves counterclockwise with constant speed 1.60 rad/s in a circle of radius 2.75 m centered at the origin. It starts at the point with position vector 2.75î m. Then it undergoes an angular displacement of 9.10 rad. (a) What is its new position vector? -2.61i + 0.87j m (b) In what quadrant is the object located and what angle does its position vector make with the positive x-axis? second vv at 161.46 (c) What is its velocity? 4.4 m/s (d) In what direction is it moving? o from the +x direction. (e) What is its acceleration? m/s2 (f) Make a sketch of its position, velocity, and acceleration vectors. Choose File No file chosen (g) What total force is exerted on the object? N

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Chapter 13 Solutions

Physics, Books a la Carte Edition (5th Edition)

Ch. 13.1 - If the frequency of an oscillator is halved, by...Ch. 13.2 - Prob. 2EYU Ch. 13.3 - An object moves with simple harmonic motion about...Ch. 13.4 - Rank the four massspring systems in Figure 13-15...Ch. 13.5 - The total mechanical energy of an ideal...Ch. 13.6 - Rank the four pendulum systems in Figure 13-25 in...Ch. 13.7 - The amplitude of a damped oscillation decreases...Ch. 13.8 - When you drive a pendulum at a frequency f1, you...Ch. 13 - A basketball player dribbles a ball with a steady...Ch. 13 - A person rides on a Ferris wheel that rotates with...

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