Physics for Scientists and Engineers
6th Edition
ISBN: 9781429281843
Author: Tipler
Publisher: MAC HIGHER
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Chapter 10, Problem 70P
(a)
To determine
ToCalculate: The angular speed of precession.
(b)
To determine
ToCalculate: The speed of the center of mass during the precession.
(c)
To determine
ToCalculate: The time take for the axle to swing through
(d)
To determine
ToCalculate: The
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A small object with mass 4.00 kg moves counterclockwise with constant angular speed 1.50 rad/s in a circle of radius 3.00 m centered at the origin. It starts at the point with position vector 3.00î m. It then undergoes an angular displacement of 9.00 rad. (a) What is its new position vector? Use unit-vector notation for all vector answers. (b) In what quadrant is the particle located, and what angle does its position vector make with the positive x axis? (c) What is its velocity? (d) In what direction is it moving? (e) What is its acceleration? (f) Make a sketch of its position, velocity, and acceleration vectors. (g) What total force is exerted on the object?
A solid cylinder of mass 2 kg and radius 8 cm is mounted with its axis horizontal. A thread is wound around the circumference of the cylinder and a 200 g mass is hung on the end of the thread and released. Neglecting friction, find the angular acceleration of the cylinder and the linear acceleration of the mass.
The wheel has a mass of 100 kg and a radius of gyration of
ko = 0.2 m. A motor supplies a torque M = (400 + 900) N. m,
where is in radians, about the drive shaft at O. Initially the car
is at rest when s = 0 and 0 = 0°. Neglect the mass of the
attached cable and the mass of the car's wheels. (Figure 1)
Figure
M
0.3 m
1 of 1
Part A
Determine the speed of the loading car, which has a mass of 270 kg, after it travels s = 4 m.
Express your answer to three significant figures and include the appropriate units.
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Chapter 10 Solutions
Physics for Scientists and Engineers
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