HomeworPA student lifts a 50 pound (Ib) ball 4 feet (ft) in 5seconds (s). How many joules of work has the studentcompleted?2- what is the kinetic energy of a jogger with a mass of 6kg traveling with a speed of 2.5 m/s?3- find the potential energy of a street light that has mass13 kg and is 4.8 meters above the ground.4. What distance is a book from the floor if the bookcontains 196 joules of potential energy and has a mass ofkilograms?

As per guidelines we are suppose to do only one question from multiple questions and three part from…

Answered: A student lifts a 50 pound (lb) ball 4…

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)...

See similar textbooks

Similar questions

You and your friend Gandalf are mowing lawns for extra spending money. Gandalf pushes his mower 25 m and applies a force of 150 N. If you apply a force of 60 N, how far must you push your mower so that the work you do equal Gandalf’s?
An archer pulls a bow string back 0.40 m by exerting a force that increases linearly from zero to 460 N. How much work does the archer do?
Bob is pulling a box of his toys of mass 15.0 kg along a rough horizontal surface for a distance of 6.00 m. The tension force in the rope is 58.0 N and the angle is 30° with respect to the horizontal. The frictional force on the box is 12.0 N. How much work is done on the box by the normal force, in Joule? Use g = 10.0 m/s2. Your answer needs to have 3 significant figures, including the negative sign in your answer if needed. Do not include the positive sign if the answer is positive. No unit is needed in your answer, it is already given in the question statement.
Numerical integration. A breadbox is made to move along an x axis from x= 0.15 m to x = 1.20 m by a force with a magnitude given by F = exp(2x2), with x in meters and F in newtons. (Here exp is the exponential function.) How much work is done on the breadbox by the force?
A 5.0 kg object has a velocity (5.Oi + 2.Oj) m/s. If its velocity changes to (6.0i - 4.0j) m/s/ what is the net external work done on the object?
A 4.8 kg box has an acceleration of 1.8 m/s? when it is pulled by a horizontal force across a surface with 4, = 0.50. Find the work done over a distance of 22 cm by the following forces. (Enter your answers in joules.) (a) the horizontal force (b) the frictional force (c) the net work (d) what is the change in kinetic energy of the box?
A 1.3Kg particle moves from an initial position r1=2i-1j+2k m to a final position r2=6i-4j-4k m while a force F=4i-5j+4k N acts on it. What is the work done by the force on the particle? Answer in Joules
Starting from rest, a 4.3-kg block slides 2.40 m down a rough 30.0° incline. The coefficient of kinetic friction between the block and the incline is p, = 0.436. (a) Determine the work done by the force of gravity. (b) Determine the work done by the friction force between block and incline. (c) Determine the work done by the normal force. (d) Qualitatively, how would the answers change if a shorter ramp at steeper angle were used to span the same vertical height?
answer to work and power with solution

Recommended textbooks for you

College Physics

Physics

ISBN:

9781305952300

Author:

Raymond A. Serway, Chris Vuille

Publisher:

Cengage Learning

University Physics (14th Edition)

Physics

ISBN:

9780133969290

Author:

Hugh D. Young, Roger A. Freedman

Publisher:

PEARSON

Introduction To Quantum Mechanics

Physics

ISBN:

9781107189638

Author:

Griffiths, David J., Schroeter, Darrell F.

Publisher:

Cambridge University Press

College Physics

Physics

ISBN:

9781305952300

Author:

Raymond A. Serway, Chris Vuille

Publisher:

Cengage Learning

University Physics (14th Edition)

Physics

ISBN:

9780133969290

Author:

Hugh D. Young, Roger A. Freedman

Publisher:

PEARSON

Introduction To Quantum Mechanics

Physics

ISBN:

9781107189638

Author:

Griffiths, David J., Schroeter, Darrell F.

Publisher:

Cambridge University Press

Physics for Scientists and Engineers

Physics

ISBN:

9781337553278

Author:

Raymond A. Serway, John W. Jewett

Publisher:

Cengage Learning

Lecture- Tutorials for Introductory Astronomy

Physics

ISBN:

9780321820464

Author:

Edward E. Prather, Tim P. Slater, Jeff P. Adams, Gina Brissenden

Publisher:

Addison-Wesley

College Physics: A Strategic Approach (4th Editio…

Physics

ISBN:

9780134609034

Author:

Randall D. Knight (Professor Emeritus), Brian Jones, Stuart Field

Publisher:

PEARSON

SEE MORE TEXTBOOKS

A student lifts a 50 pound (lb) ball 4 feet (ft) in 5 seconds (s). How many joules of work has the student completed?