Learning Goal: A box of mass 3.0 kg slides down a rough vertical wall. The gravitational force on the box is 29.4 N. When the box reaches a speed of 2.5 m/s, you start pushing on one edge of the box at a 45° angle (use degrees in your calculations throughout this problem) with a constant force of magnitude Fp = 23.0 N, as shown in ( Figure 1). There is now a frictional force between the box and the wall of magnitude 13.0 N. How fast is the box sliding 3.0 s after you started pushing on it? Figure < 1 of 1 45° 155 Find the box's speed of at 3.0 s after you first started pushing on it. ▸ View Available Hint(s) Vƒ = ΕΟ ΑΣΦ 0 ? m/s

Learning Goal: A box of mass 3.0 kg slides down a rough vertical wall. The gravitational force on the box is 29.4 N. When the box reaches a speed of 2.5 m/s, you start pushing on one edge of the box at a 45° angle (use degrees in your calculations throughout this problem) with a constant force of magnitude Fp = 23.0 N, as shown in ( Figure 1). There is now a frictional force between the box and the wall of magnitude 13.0 N. How fast is the box sliding 3.0 s after you started pushing on it? Figure < 1 of 1 45° 155 Find the box's speed of at 3.0 s after you first started pushing on it. ▸ View Available Hint(s) Vƒ = ΕΟ ΑΣΦ 0 ? m/s

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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Power As shown in the picture below, you and a friend are pushing a box horizontally. You can assume that you and your friend are both pushing completely horizontally in this case. Your combined push force (from you and your friend) is Push = 46.0 N. The box has a mass of 20.0 kg. You and your friend push the box a horizontal distance of 6.50 m. There is a force of friction between the ground and the box with a value of f = 28.0 N. Assume that initially the box is at rest when you and your friend start pushing it. What is the rate at which all of the forces do work on the box? This is another way of asking about Power. You'll need acceleration to find the time - but you have enough information to calculate the acceleration. Motion Воx Your answer should include the following: 2 Decimal Places Correct SI Units Appropriate sign (only needed for negative answers) Answers must be in the following format: Written out and NOT in scientific notation Acceptable: 278.40 Not Acceptable: 2.784 x…
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