Change the chapter
How much work does a supermarket checkout attendant do on a can of soup he pushes 0.600 m horizontally with a force of 5.00 N? Express your answer in joules and kilocalories.
Question by OpenStax is licensed under CC BY 4.0.

$3.00 \textrm{ J}$, or $7.17 \times 10^{-4} \textrm{ kcal}$

Solution Video

OpenStax College Physics Solution, Chapter 7, Problem 1 (Problems & Exercises) (0:38)


3 votes with an average rating of 3.

Quiz Mode

Why is this button here? Quiz Mode is a chance to try solving the problem first on your own before viewing the solution. One of the following will probably happen:

  1. You get the answer. Congratulations! It feels good! There might still be more to learn, and you might enjoy comparing your problem solving approach to the best practices demonstrated in the solution video.
  2. You don't get the answer. This is OK! In fact it's awesome, despite the difficult feelings you might have about it. When you don't get the answer, your mind is ready for learning. Think about how much you really want the solution! Your mind will gobble it up when it sees it. Attempting the problem is like trying to assemble the pieces of a puzzle. If you don't get the answer, the gaps in the puzzle are questions that are ready and searching to be filled. This is an active process, where your mind is turned on - learning will happen!
If you wish to show the answer immediately without having to click "Reveal Answer", you may . Quiz Mode is disabled by default, but you can check the Enable Quiz Mode checkbox when editing your profile to re-enable it any time you want. College Physics Answers cares a lot about academic integrity. Quiz Mode is encouragement to use the solutions in a way that is most beneficial for your learning.

Calculator Screenshots

OpenStax College Physics, Chapter 7, Problem 1 (PE) calculator screenshot 1


Submitted by kelseylane11 on Thu, 01/31/2019 - 15:10

Why aren't all the problems on here?

Submitted by ShaunDychko on Fri, 02/01/2019 - 13:05

You're probably asking about the even numbered problems? At the moment I'm covering all the odd numbered problems in order to cover chapters more quickly. After I'm done these (only 6 chapters to go) I'll return to the beginning of the textbook and cover the evens. It'll take a while though, and probably I'll complete sometime in the summer.

Best wishes,

In reply to by kelseylane11

Submitted by ShaunDychko on Sat, 11/16/2019 - 14:05

Hi there, thanks for asking! I finished up to chapter 4, and just started the chapter 5 evens. I'll probably finish 1 chapter per week on average. If you enter your email at the bottom of the page you'll be part of my newsletter I use for announcing chapter completion.
All the best,

In reply to by C-Mak Breezy