Bundle: Principles of Physics: A Calculus-Based Text, 5th + WebAssign Printed Access Card for Serway/Jewett's Principles of Physics: A Calculus-Based Text, 5th Edition, Multi-Term
5th Edition
ISBN: 9781133422013
Author: Raymond A. Serway; John W. Jewett
Publisher: Cengage Learning
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Question
Chapter 5, Problem 56P
(a)
To determine
The tension in the string.
(b)
To determine
The radial force on the puck.
(c)
To determine
The speed of the puck.
(d)
To determine
The effect on the motion of the puck if
(e)
To determine
The effect on the motion of the puck if
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A mass m of 1.0 kg is attached by a massless string of length l of 2 m and resting on a cone. The angle θ is 40°. The mass moves around in a horizontal circle at a speed of 2.0 m/s. Use g = 10 N/kg. Assume that the cone does not exert a friction force.
a) Determine the tension in the string.
b) Determine the magnitude of the normal force acting on the mass. (Negative values are possible solutions to this problem even though you can not have a negative normal force physically. Just enter the negative value.)
c0Determine the maximum speed (v) at which the mass stays in contact with the cone.
small block with mass 0.0500 kg slides in a vertical circle of radius R = 0.800 m on the inside of a circular track. There is no friction between the track and the block. At the bottom of the block’s path, the normal force the track exerts on the block has magnitude 3.40 N. What is the magnitude of the normal force that the track exerts on the block when it is at the top of its path?
54. A puck of mass m, is tied
to a string and allowed
to revolve in a circle of
R
radius R on a friction-
less, horizontal table.
The other end of the
string passes through a
small hole in the cen-
m2
ter of the table, and
an object of mass m, is
tied to it (Fig. P6.54).
The suspended object
remains in equilibrium while the puck on the tabletop
revolves. Find symbolic expressions for (a) the tension in
the string, (b) the radial force acting on the puck, and
(c) the speed of the puck.
Figure P6.54
Chapter 5 Solutions
Bundle: Principles of Physics: A Calculus-Based Text, 5th + WebAssign Printed Access Card for Serway/Jewett's Principles of Physics: A Calculus-Based Text, 5th Edition, Multi-Term
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