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7 A horizontal force with a magnitude of 40. newtons is used to push a block along a level table at a constant speed of 2.0 meters per second. How much work is done on the block in 6.0 seconds? (1) 80. J (2) 120J (3) 240 J (4) 480 J

7 A horizontal force with a magnitude of 40. newtons is used to push a block along a level table at a constant speed of 2.0 meters per second. How much work is done on the block in 6.0 seconds? (1) 80. J (2) 120J (3) 240 J (4) 480 J

College Physics
College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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please help with questions 7,8 and 9
7 A horizontal force with a magnitude of 40. newtons is used to push a block along a level table at a constant speed of 2.0 meters per second. How much work is done on the block in 6.0 9 The amount of work done against friction to slide seconds? (1) 80. J (2) 120 J (3) 240 J (4) 480 J 8 A force with a magnitude of 100. newtons is used to push a trunk to the top of an incline 3.0 meters long. Then a force with a magnitude of 50. newtons is used to push the trunk for 10. meters along a horizontal platform. What is the total work done on the trunk? (1) 8.0 × 10² J (2) 5.0 x 10 J (3) 3.0 x 102 J (4) 9.0 × 10² J a box in a straight line across a uniform, horizontal floor depends most on the (1) time taken to move the box (2) distance the box is moved (3) speed of the box (4) direction of the box's motion
Transcribed Image Text:7 A horizontal force with a magnitude of 40. newtons is used to push a block along a level table at a constant speed of 2.0 meters per second. How much work is done on the block in 6.0 9 The amount of work done against friction to slide seconds? (1) 80. J (2) 120 J (3) 240 J (4) 480 J 8 A force with a magnitude of 100. newtons is used to push a trunk to the top of an incline 3.0 meters long. Then a force with a magnitude of 50. newtons is used to push the trunk for 10. meters along a horizontal platform. What is the total work done on the trunk? (1) 8.0 × 10² J (2) 5.0 x 10 J (3) 3.0 x 102 J (4) 9.0 × 10² J a box in a straight line across a uniform, horizontal floor depends most on the (1) time taken to move the box (2) distance the box is moved (3) speed of the box (4) direction of the box's motion
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