Physics Fundamentals
Physics Fundamentals
2nd Edition
ISBN: 9780971313453
Author: Vincent P. Coletta
Publisher: PHYSICS CURRICULUM+INSTRUCT.INC.
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Chapter 4, Problem 39P

(a)

To determine

To Find: The tension in the string connecting the two blocks.

(b)

To determine

To Find:Time required by the hanging mass to fall by 10.0cm.

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Three mountain climbers who are roped together in a line are ascending an icefield inclined at 31.0° to the horizontal (Fig. 4-69). The last climber slips, pulling the second climber off his feet. The first climber is able to hold them both. If each climber has a mass of 75 kg, calculate the ten- sion in each of the two sections of rope between the three climbers. Ignore friction between the ice and the fallen climbers. 31.0° FIGURE 4-69 Problem 83.
The block shown in Fig. 4-59 has mass m=7.0 kg and lies on a fixed smooth frictionless plane tilted at an angle (theta)= 22.0 degrees to the horizontal. (a) Determine the acceleration of the block a step it slides down the plane. (b) If the block starts from rest 12.0m up the plane from its base, what will be the block’s speed when it reaches the bottom of the incline?
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Newton's Second Law of Motion: F = ma; Author: Professor Dave explains;https://www.youtube.com/watch?v=xzA6IBWUEDE;License: Standard YouTube License, CC-BY