Intro to Calculating Work Video Lessons

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Problem: Two men, Joel and Jerry, push against a concrete wall that is 3 meters thick. Jerry stops after 10 min, while Joel is able to push for 5.0 min longer. How does the work that Joel does on the wall compare to the work that Jerry does on the wall?A) Both men do positive work, but Jerry does 50% more work than Joel.B) Both men do positive work, but Joel does 25% more work than Jerry.C) Both men do positive work, but Joel does 50% more work than Jerry.D) Both men do positive work, but Joel does 75% more work than Jerry.E) Neither of them does any work.

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Problem Details

Two men, Joel and Jerry, push against a concrete wall that is 3 meters thick. Jerry stops after 10 min, while Joel is able to push for 5.0 min longer. How does the work that Joel does on the wall compare to the work that Jerry does on the wall?

A) Both men do positive work, but Jerry does 50% more work than Joel.

B) Both men do positive work, but Joel does 25% more work than Jerry.

C) Both men do positive work, but Joel does 50% more work than Jerry.

D) Both men do positive work, but Joel does 75% more work than Jerry.

E) Neither of them does any work.

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What scientific concept do you need to know in order to solve this problem?

Our tutors have indicated that to solve this problem you will need to apply the Intro to Calculating Work concept. You can view video lessons to learn Intro to Calculating Work. Or if you need more Intro to Calculating Work practice, you can also practice Intro to Calculating Work practice problems.

What professor is this problem relevant for?

Based on our data, we think this problem is relevant for Professor Sigurdson's class at UBC.