Please help. Answer all questions Physics 141Worksheet Chapter 7 due Wed 5/18 n00nSummer 2022Name:Box#:1. Write an equation representing work that involves the force, F, the displacement, Ax, and theangle between the two, 0.2. A 55 kg packing crate is pulled with constant speed across a rough floor with a rope that is atan angle of 40 degrees above the horizontal. (A) Sketch a free-body diagram of the crate.(B) If the tension in the rope is 125 N, how much work is done by the rope on the crate to moveit 5.0 m (use the answer to question (1))?(B) What is the net work done on the crate? (Note the constant speed to get the simplest numberin the universe)Wnet =(C) How much work is done by friction?J2. Write an equation representing kinetic energy.3. A 9.5 g bullet has a speed of 1.30 km/s. (a) What is its kinetic energy?(b) How many times larger is the kinetic energy if the speed is doubled?X larger4. The work - kinetic energy theorem states that the net work done on an object equals thein kinetic energy.5. A 50 kg biker rides his 10 kg bike with a speed of 10 m/s. (a) Use the work-kinetic energytheorem to calculate the work done by the brakes to make him stop (is the work positive ornegative?).W =J(b) If he stops in 5 meters, what was the average stopping force? R=6. A 55 kg skateboarder enters a ramp moving horizontally with a speed of 6.5 m/s, and leavesthe ramp moving vertically with a speed of 4.1 m/s. Find the height of the ramp.(a) Draw lines to match the expressions for the initial and final potential and kinetic energies.1/2mv?PEKEPErKE1/2mvmgh14,491 MAY 118区)00

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Description: Please help. Answer all questions Physics 141Worksheet Chapter 7 due Wed 5/18 n00nSummer 2022Name:Box#:1. Write an equation representing work that involves the force, F, the displacement, Ax, and theangle between the two, 0.2. A 55 kg packing crate i

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1. Write an equation representing work that involves the force, F, the displacement, Ax, and the angle between the two, 0. 2. A 55 kg packing crate is pulled with constant speed across a rough floor with a rope that is at an angle of 40 degrees above the horizontal. (A) Sketch a free-body diagram of the crate. (B) If the tension in the rope is 125 N, how much work is done by the rope on the crate to move it 5.0 m (use the answer to question (1))?

1. Write an equation representing work that involves the force, F, the displacement, Ax, and the angle between the two, 0. 2. A 55 kg packing crate is pulled with constant speed across a rough floor with a rope that is at an angle of 40 degrees above the horizontal. (A) Sketch a free-body diagram of the crate. (B) If the tension in the rope is 125 N, how much work is done by the rope on the crate to move it 5.0 m (use the answer to question (1))?

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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