A package is pushed across a floor a distance of 150 feet by exerting a force of28 pounds downward at an angle of 358. How much work is done?a. 2,800 ft­lb b. 3,400 ft­lb c. 4,200 ft­lb d. 3,700 ft­lb

College Physics
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Author:Raymond A. Serway, Chris Vuille
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Chapter5: Energy
Section5.1: Work
Problem 5.1QQ: In Figure 5.5 (a)-(d), a block moves to the right in the positive x-direction through the...
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A package is pushed across a floor a distance of 150 feet by exerting a force of
28 pounds downward at an angle of 358. How much work is done?
a. 2,800 ft­lb

b. 3,400 ft­lb

c. 4,200 ft­lb

d. 3,700 ft­lb

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