How to determine the car's deceleration at a point along a curve?

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Homework Help Overview

The discussion revolves around determining the car's deceleration at a point along a curve, specifically focusing on the geometry of angles related to circular motion. Participants are exploring the relationship between the angle of the circular sector and the angle of the car's heading as it navigates the curve.

Discussion Character

  • Conceptual clarification, Assumption checking, Mixed

Approaches and Questions Raised

  • Participants are questioning how to derive that the angle of the circular sector equals 30 degrees based on the car's heading. There are discussions about the implications of geometry in understanding the relationship between angles and tangents in circular motion.

Discussion Status

The discussion is ongoing, with participants providing insights into geometric principles and questioning assumptions about angles. Some participants have offered clarifications regarding the relationships between angles and tangents, while others express uncertainty about the concepts being discussed.

Contextual Notes

There are mentions of a blurred image that complicates understanding the problem setup. Additionally, some participants note their lack of geometry background, which affects their ability to engage with the concepts being discussed.

  • #31
JesseProbst said:
this is when two lines meet, they form right angles.
Unless you state the whole thing, it’s meaningless. There are two pairs of lines involved. Read that helpful link. It states the actual theorem.
 
Last edited:
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  • #32
Err, ok, thanks, I'll check it
 

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