Problem 7.40 10 of 14 Constants | Periodic Tab The force on a particle, acting along the x axis, varies as shown in the figure(Figure 1). Determine the work done by this force to move the particle along the x axis: from x = 0.0 to x = 10.0m. Express your answer using two significant figures. V ΑΣφ Figure < 1 of 1 > 400 Submit Request Answer 300 200 100 Part B х (m) 15 10 -100 -200 Determine the work done by this force to move the particle along the a axis: from x = 0.0 to x = 15.0m. Express your answer using two significant figures. (N) 4

Problem 7.40 10 of 14 Constants | Periodic Tab The force on a particle, acting along the x axis, varies as shown in the figure(Figure 1). Determine the work done by this force to move the particle along the x axis: from x = 0.0 to x = 10.0m. Express your answer using two significant figures. V ΑΣφ Figure < 1 of 1 > 400 Submit Request Answer 300 200 100 Part B х (m) 15 10 -100 -200 Determine the work done by this force to move the particle along the a axis: from x = 0.0 to x = 15.0m. Express your answer using two significant figures. (N) 4

Principles of Physics: A Calculus-Based Text

5th Edition

ISBN:9781133104261

Author:Raymond A. Serway, John W. Jewett

Publisher:Raymond A. Serway, John W. Jewett

Chapter6: Energy Of A System

Section: Chapter Questions

Problem 15P

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Similar questions

“ E=K+Uconstant is a special case of the work energy theorem.” Discuss this statement.
Two bodies are interacting by a conservative force Show that the mechanical energy of an isolated system consisting of two bodies interacting with a conservative force is conserved. (Hint: Start by using Newton’s third law and the definition of work to find the work done on each body by the conservative force.)
(a) What is the average useful power output of a person who does 6.00106J of useful work in 8.00 h? (b) Working at this rate, how long will it take this person to lift 2000 kg of bricks 1.50 m to a platform? (Work done to lift his body can be omitted because it is not considered useful output here.)
Suppose the ski patrol lowers a rescue sled and victim, having a total mass of 90.0 kg, down a 60.00 slope at constant speed, as shown below. The coefficient of friction between the sled and the snow is 0.100. (a) How much work is done by fiction as the sled moves 30.0 m along the hill? (b) How much work is done by the rope on the sled in this distance? (c) What is the work done by the gravitational force on the sled? (d) What is the total work done?
Find the work done by the same force in Example 7.4, between the same points, A=(0,0) and B=(2m,2m) , over a circular arc of radius 2 m, centered at (0,2m) . Evaluate the path integral using Cartesian coordinates. (Hint: You will probably need to consult a table of integrals.)
The force acting on a panicle varies as shown in Figure la P7.14. Find the work done by the force on the particle as it moves (a) from x = 0 to x = 8.00 m. (b) from x = 8.00 m to x = 10.0 m, and (c) from x = 0 to x = 10.0 m.
A horizontal force of 20 N is required to keep a 5.0 kg box traveling at a constant speed up a frictionless incline for a vertical height change of 3.0 m. (a) What Is the work done by gravity dining this change in height? (b) What Is the work done by the normal force? (c) What is the work done by the horizontal farce?
Give an example of a situation in which there is a force and a displacement, but the force does no work. Explain why it does no work.
In a Coyote/Road Runner cartoon clip (https://openstaxcollege.org/l/21coyroadcarcl), a spring expands quickly and sends the coyote into a rock. If the spring extended 5 m and sent the coyote of mass 20 kg to a speed of 15 m/s, (a) what is the spring constant of this spring? (b) If the coyote were sent vertically into the air with the energy given to him by the spring, how high could he go if there were no non-conservative forces?
As a young man, Tarzan climbed up a vine to reach his tree house. As he got older, he decided to build and use a staircase instead. Since the work of the gravitational force mg is path Independent, what did the King of the Apes gain in using stairs?
A person in good physical condition can put out 100 W of useful power for several hours at a stretch, perhaps by pedaling a mechanism that drives an electric generator. Neglecting any problems of generator efficiency and practical considerations such as resting time: (a) How many people ‘would it take to nm a 4.O0-kW electric clothes dryer? (b) How many people would it take to replace a large electric power plant that generates 800 MW?
At hokey puck of mass 0.17 kg is shot across a rough floor with the roughness different at different places, which can be described by a position-dependent coefficient of kinetic friction. For a puck moving along the x-axis, the coefficient of kinetic friction is the following function of x, where x is in m: (x)=0.1+0.05x . Find the work done by the kinetic frictional forte on the hockey puck when it h moved (a) from x=0 to x=2 m, and (b) from x=2 m to x=4 m.