Intro to Conservation of Energy Video Lessons

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Problem: You and your friend, who weighs the same as you, want to go to the top of the Eiffel Tower. Your friend takes the elevator straight up. You decide to walk up the spiral stairway, taking longer to do so. Compare the gravitational potential energy of you and your friend, after you both reach the top. A) It is impossible to tell, since the times you both took are unknown. B) It is impossible to tell, since the distances you both traveled are unknown. C) You friend's gravitational potential energy is greater than yours, because he got to the top faster. D) Your gravitational potential energy is greater than that of your friend, because you traveled a greater distance getting to the top. E) Both of you have the same amount of gravitational potential energy at the top.

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Problem Details

You and your friend, who weighs the same as you, want to go to the top of the Eiffel Tower. Your friend takes the elevator straight up. You decide to walk up the spiral stairway, taking longer to do so. Compare the gravitational potential energy of you and your friend, after you both reach the top.

A) It is impossible to tell, since the times you both took are unknown.

B) It is impossible to tell, since the distances you both traveled are unknown.

C) You friend's gravitational potential energy is greater than yours, because he got to the top faster.

D) Your gravitational potential energy is greater than that of your friend, because you traveled a greater distance getting to the top.

E) Both of you have the same amount of gravitational potential energy at the top.

Frequently Asked Questions

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 Conservation of Energy concept. You can view video lessons to learn Intro to Conservation of Energy. Or if you need more Intro to Conservation of Energy practice, you can also practice Intro to Conservation of Energy practice problems.

How long does this problem take to solve?

Our expert Physics tutor, Jeffery took 2 minutes and 17 seconds to solve this problem. You can follow their steps in the video explanation above.

What professor is this problem relevant for?

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