Fundamentals of Physics Extended
10th Edition
ISBN: 9781118230725
Author: David Halliday, Robert Resnick, Jearl Walker
Publisher: Wiley, John & Sons, Incorporated
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Chapter 10, Problem 43P
SSM WWW The uniform solid block in Fig. 10-38 has mass 0.172 kg and edge lengths a = 3.5 cm, b = 8.4 cm, and c = 1.4 cm. Calculate its rotational inertia about an axis through one corner and perpendicular to the large faces.
Figure 10-38 Problem 43.
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43 SSM ww The uniform solid Rotation
block in Fig. 10-38 has mass 0.172 kg axis
and edge lengths a = 3.5 cm, b= 8.4
cm, and c = 1.4 cm. Calculate its rota-
tional inertia about an axis through
one corner and perpendicular to the
large faces.
Figure 10-33 gives angular speed versus time for a thin rod that rotates around one end. The
scale on the w axis is set by ws = 6.0 rad/s. (a) What is the magnitude of the rod's angular
acceleration? (b) At t = 4.0 s, the rod has rotational kinetic energy of 1.60 J. What is its kinetic
energy at t = 0?
| t (s)
4
Figure 10-33 Problem 34.
In Fig. 11-31, wheel A of radius ra - 12 cm is coupled by belt B te wheet Cof radius re- 20 cm. Wheel A Increases its angular epeed from rest at a constant rate of 1.6 rad/s Find the time for
wheel C to reach a rotational speed of 100 rev/min, assuming the belt does not slip. (Hint: Ir the belt does not slip, the inear speeds at the tims of the two wheels must be equal.)
Figure 11-31
Chapter 10 Solutions
Fundamentals of Physics Extended
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