Can You Calculate This Formula Using Given Values?

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Homework Help Overview

The discussion revolves around a formula involving gravitational calculations, specifically related to the Earth and the Moon. Participants are examining values for mass, distance, and time in the context of physics.

Discussion Character

  • Exploratory, Assumption checking

Approaches and Questions Raised

  • Participants are attempting to verify calculations involving large numbers and discussing the significance of the results. There is also a question regarding the interpretation of the values, particularly the distance to the Moon and the force exerted by the Earth on it.

Discussion Status

The discussion includes attempts to calculate and confirm values, with some participants expressing uncertainty about their calculations. There is a light-hearted exchange regarding the precision of significant digits and the nature of the problem, but no explicit consensus has been reached.

Contextual Notes

Participants are working within the constraints of homework rules, which may limit the extent of assistance they can provide to one another. There is an underlying assumption regarding the interpretation of the formula and its application to gravitational force.

Goosey23
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I'm trying to help a friend out, would anyone be willing to be an extraordinary help and simply plug in the numbers for this formula and let me know the answer? It would be greatly appreciated.

Homework Equations



force_c5.gif


m = 7.35 x 10^22kg
r = 3.84 x 10^8
T = 2358720s


Thank you!
 
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2.0027443773 x 10^20 (kg*m/s/s)

Might be a little off, I haven't calculated such big numbers in my head in a long time.
Hope that helps!
 
dwintz02 said:
2.0027443773 x 10^20 (kg*m/s/s)

Might be a little off, I haven't calculated such big numbers in my head in a long time.
Hope that helps!

How did you know it was meters? Amazing. It's the force exerted by the Earth on the moon, isn't it?
 
Thanks so much guys, that's it! Mucho appreciated!
 
Haha, yeah you're right. I was hoping the 11 or so significant digits would be the funny part but the joke ended up being on me. And yeah, that's the distance to the moon from the earth.
 
dwintz02 said:
Haha, yeah you're right. I was hoping the 11 or so significant digits would be the funny part but the joke ended up being on me. And yeah, that's the distance to the moon from the earth.

Not at all, you were pretty funny as well. Goosey23, you just wanted a confirmation, right? You do know how to calculate that?
 

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