COLLEGE PHYSICS,VOLUME 1
2nd Edition
ISBN: 9781319115104
Author: Freedman
Publisher: MAC HIGHER
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Chapter 19, Problem 16QAP
To determine
Net force on the coil.
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In the accompanying figure, the rails, connecting end pieces, and rod all have a resistance per unit length
of 4.52/cm. The rod moves to the left at v = 5 m/s. If B = 0.3 T everywhere in the region, what is
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Problem Twelve. An object consists of four
particles: m₁ =1.0kg, m₂ = 2.0kg, m3 = 3.0kg,
ma = 4.0kg. They are connected by rigid
massless rods to form a rectangle of edge lengths
2a and 2b, where a 7.0 m and b = 8.0 m. The
system rotates about the x-axis through the center
as shown.
=
Find the (x, y) coordinate of the center of
gravity of the object (in meters). Use the
geometrical center of the object as the
origin.
2a
13
2b
m
M2
Axis of rotation
20.) (A) (-3.2, -1.4) (B) (-3.2, 1.4)
(C) (5.2, -1.4)
(D) (-1.8,-1.4)
(E) (3.2,-5.2)
Find the moment of inertia of the object about the x-axis and y-axis that run through the geometrical
center of the object. Give an answer as (Ix, ly, I) in units of 10² kg-m².
21.) (A) (6.4, 4.9, 11)
(D) (9.8, 11, 12.8)
(B) (4.9, 6.4, 11)
(C) (11, 12.8, 9.8)
(E) (2.5, 10, 11)
anul babogaus al bos ano
002
maldor
If the object is spinning with angular velocity of 30 rpm around the axis of rotation shown in the
diagram, find the rotational kinetic energy. Give…
Problem Eleven. A hollow sphere with rotational inertia
1 = (2/3)MR2 is moving with speed v down an incline of angle 0
toward a spring with spring constant k. After traveling a distance d
down the incline with no slipping, the sphere makes contact with the
spring and compresses it a distance x before it comes momentarily
to rest. Find the distance d in terms of the other quantities given.
(21)
19.) (A) d=-
2Mg sin
kx²-Mv²
+x (B) d=
2Mg sin
kx²+Mv²
+x
kx²-Mv²
(C) d=-
-x (D) d=
2Mg sin
2Mg cos
kx²-Mv²
2Mg sin
-x
(E) d=
kx²-Mv²
Chapter 19 Solutions
COLLEGE PHYSICS,VOLUME 1
Ch. 19 - Prob. 1QAPCh. 19 - Prob. 2QAPCh. 19 - Prob. 3QAPCh. 19 - Prob. 4QAPCh. 19 - Prob. 5QAPCh. 19 - Prob. 6QAPCh. 19 - Prob. 7QAPCh. 19 - Prob. 8QAPCh. 19 - Prob. 9QAPCh. 19 - Prob. 10QAP
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