Fundamentals of Physics Extended
10th Edition
ISBN: 9781118230725
Author: David Halliday, Robert Resnick, Jearl Walker
Publisher: Wiley, John & Sons, Incorporated
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Textbook Question
Chapter 5, Problem 57P
ILW A block of mass m1 = 3.70 kg on a frictionless plane inclined at angle θ = 30.0° is connected by a cord over a massless, frictionless pulley to a second block of mass m2 = 2.30 kg (Fig. 5-52). What are (a) the magnitude of the acceleration of each block, (b) the direction of the acceleration of the hanging block, and (c) the tension in the cord?
Figure 5.52 Problem 57.
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BodyA in Fig. 6-33 weighs 102 N, and body B weighs 32 N. The coefficients of friction
between A and the incline are us =0.56 and uk=0.25. Angle 0 is 40°. Let the positive direction
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In Fig. 6-45, a 1.34 kg ball is connected by means of two massless strings, each of length L = 1.70 m, to a vertical, rotating rod. The strings are tied to the rod with separation d = 1.70 m and are taut. The tension in the upper string is 35 N. What are the (a) tension in the lower string, (b) magnitude of the net force on the ball, and (c) speed of the ball? (d) What is the direction of ?
27 Go Body A in Fig. 6-33 weighs
102 N, and body B weighs 32 N. The
coefficients of friction between A
and the incline are 0.56 and
P = 0.25. Angle 0 is 40°. Let the
positive direction of an x axis be up,
the incline. In unit-vector notation.
what is the acceleration of A if A is
initially (a) at rest. (b) moving up
the incline, and (c) moving down
the incline?
0
Frictionless,
massle pulley
Figure 6-33
Problems 27 and 28.
Chapter 5 Solutions
Fundamentals of Physics Extended
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