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Get Full Access to University Physics - 13 Edition - Chapter 6 - Problem 42e
Get Full Access to University Physics - 13 Edition - Chapter 6 - Problem 42e

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# Suppose the 2.0-kg model car in Exercise 6.43 is initially

ISBN: 9780321675460 31

## Solution for problem 42E Chapter 6

University Physics | 13th Edition

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Problem 42E

Suppose the 2.0-kg model car in Exercise 6.43 is initially at rest at x = 0 and is the net force acting on it. Use the work–energy theorem to find the speed of the car at (a) x = 3.0 m; (b) x = 4.0 m; (c) x = 7.0 m. 6.43 . A force is applied to a 2.0-kg, radio-controlled model car parallel to the x-axis as it moves along a straight track. The x- component of the force varies with the x-coordinate of the car (?Fig. E6.43?). Calculate the work done by the force when the car moves from (a) x = 0 to x = 3.0 m; (b) x = 3.0 m to x = 4.0 m; (c) x = x = 4.0 m to x = 7.0 m; (d) x = 0 to x = 7.0 m; (e) x = 7.0 m to x = 2.0 m.

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9­27­16 ● Analyst: involved in evaluation and formulation of policy ○ Systematically research effects of social welfare policies (SWPs) ○ Formulate best approach to problems ○ Compile statistics ○ Synthesize information into meaningful documents ○ Help draft policy language ○ Improve SWPs ○ Comparative analysis ○ Determine if SWPs are constitutional ● Policy analysis ○ Systematic (protocol) ○ Evaluate congruence of policy within context of goals ○ Policy’s goals as guiding principle for systematic analysis ○ Useful for making comparisons with existing policies ○ Context matters (ex. Food stamps and mi

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