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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?

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?

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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can you do the third one and draw the FBD please and thank you.
-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?
Transcribed Image Text:-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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