-PROBLEMS-FRICTIONDo the following problems. Draw FBDs.Problems 1 - 4: Show work on a separate sheet.Problem 5: Show work on the worksheet.1. A 1.4-kg block slides across a rough surface such that it slows downwith an acceleration of 1.25 m/s2. What is the coefficient of kineticfriction between the block and the surface?2. At a wedding reception, you notice a small boy who looks like his massis about 25 kg running part way across the dance floor, then sliding onhis knees until he stops. If the kinetic coefficient of friction betweenthe boy's pants and the floor is 0.15, what is the friction force acting onhim when he slides?3. Joshua is playing cards with his friends, and it is his turn to deal. Acard has a mass of 2.3 g, and it slides 0.35 m along the table before itstops. If the coefficient of kinetic friction between the card and thetable is 0.24, what was the initial speed of the card as it left Joshua'shand?4. An 18.0-kg box is released on a 34⁰ incline and accelerates down theincline at 0.33 m/s². Find the friction force impeding its motion. What isthe coefficient of kinetic friction?

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Description: -PROBLEMS-FRICTIONDo the following problems. Draw FBDs.Problems 1 - 4: Show work on a separate sheet.Problem 5: Show work on the worksheet.1. A 1.4-kg block slides across a rough surface such that it slows downwith an acceleration of 1.25 m/s2. What

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1. A 1.4-kg block slides across a rough surface such that it slows down with an acceleration of 1.25 m/s². What is the coefficient of kinetic friction between the block and the surface?

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

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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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Concept explainers

Newton's First Law of Motion

If a very smooth ball is rolled down an inclined surface with zero friction, the ball will continue to roll indefinitely for an infinite time, in an attempt to reach to the same height on the opposite hill!

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Question

-PROBLEMS-
FRICTION
Do the following problems. Draw FBDs.
Problems 1 - 4: Show work on a separate sheet.
Problem 5: Show work on the worksheet.
1. A 1.4-kg block slides across a rough surface such that it slows down
with an acceleration of 1.25 m/s2. What is the coefficient of kinetic
friction between the block and the surface?
2. At a wedding reception, you notice a small boy who looks like his mass
is about 25 kg running part way across the dance floor, then sliding on
his knees until he stops. If the kinetic coefficient of friction between
the boy's pants and the floor is 0.15, what is the friction force acting on
him when he slides?
3. Joshua is playing cards with his friends, and it is his turn to deal. A
card has a mass of 2.3 g, and it slides 0.35 m along the table before it
stops. If the coefficient of kinetic friction between the card and the
table is 0.24, what was the initial speed of the card as it left Joshua's
hand?
4. An 18.0-kg box is released on a 34⁰ incline and accelerates down the
incline at 0.33 m/s². Find the friction force impeding its motion. What is
the coefficient of kinetic friction?

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