How Do You Calculate Displacement for Multiple Direction Movements?

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Homework Help Overview

The discussion revolves around calculating the final displacement of a person who walks in multiple directions: 200 meters west, 300 meters south, and then meets a friend 150 meters east. The original poster expresses confusion regarding the calculations involved in determining the final displacement.

Discussion Character

  • Exploratory, Assumption checking

Approaches and Questions Raised

  • The original poster attempts to use trigonometric functions to find the angle of displacement but is unsure about the final displacement value. Some participants question the accuracy of the distances provided, specifically whether the southward movement is indeed 300 meters or possibly 30 meters.

Discussion Status

The discussion is ongoing, with participants exploring the details of the problem and questioning the assumptions made about the distances. There is no explicit consensus on the values, but clarification is being sought regarding the southward distance.

Contextual Notes

There is a potential discrepancy in the distance walked south, with one participant suggesting it might be 30 meters instead of 300 meters. This uncertainty could affect the calculations for displacement.

freshoff
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Finding the displacement...

Okay so I've been having a lot of trouble trying to find the final displacement for a person who begins walking 200 meters west, the 300 meters south and finally meets his friend 150 meters away. I somehow got that he will be 80.5 degrees South or West by going Tan*(300m/80m) but I can't get his displacement as 58.3 meters...I'm confused. Help will be greatly appreciated :)
 
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Opps the 150 meters where he meets his friend should be 150 meters east..
 
You sure it's 300 m south? You sure it's not 30 m?
 
yeah it says 300 meters south
 

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