Friday
December 19, 2014

Homework Help: science

Posted by anonymous on Thursday, November 5, 2009 at 10:46am.

Arrange the following from the most work to the least. For each instance, calculate the total amount of work done. Show all calculations, including units of measure.

1. pushing a box of math books weighing 600 newtons a distance of 20 meters
-12000J

2. pulling a television weighing 400 newtons down a hallway of 35 meters
-14000J
3. pushing a stalled truck weighing 7,500 newtons a distance of 0.4 meters
-3000J
4. carrying several textbooks weighing 130 newtons, over the course of a semester, for 5,000 meters
-650000J
i am quite confused... would it be 4,2,1,3 or is that wrong and why? pleeaassee help!

Answer this Question

First Name:
School Subject:
Answer:

Related Questions

science - Arrange the following from the most work to the least. For each ...
ipc - Arrange the following from the most work to the least. For each instance, ...
science - How much work will be necessary for the band members to move the new ...
chemistry - 1.)Calculate the number of moles in 3.50 x 10^21 atoms of silver. ...
Science - Consider the isothermal expansion of 4.50 mol of an ideal gas at 450 K...
Science - Please please help this is the second time I have posted this question...
math - 2. Simplify. Please be sure to show all of your work. -3(-9) |-5 3 3...
physics - (a)Calculate the work done by moving a 50 kg mass along each of the ...
Chemistry - Use Hess' Law to calculate the heat of the following equation. Show ...
Physics - A worker applies a constant force of magnitude F = 339 N on a crate in...

Search
Members