Finding X and Y components of a vector of magnitude

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Homework Help Overview

The original poster seeks to determine the x and y components of vectors given their magnitudes and directions, specifically for a vector of 25 m/s at 45 degrees and another of 75 N at 60 degrees.

Discussion Character

  • Exploratory, Conceptual clarification

Approaches and Questions Raised

  • Participants discuss the use of trigonometric formulas for calculating vector components and suggest using geometric principles. There is a request for clarification regarding the concept of right angles in relation to the vector components.

Discussion Status

Some guidance has been offered regarding the geometric interpretation of vectors and their components. Participants are exploring the relationship between angles and the components of vectors, with ongoing questions about the clarity of the explanations provided.

Contextual Notes

There appears to be some confusion regarding the terminology and the application of geometric concepts to the problem, particularly concerning the right angle and its relevance to the vector components.

Sonny18n
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1. A- What are the x and y components of a vector of magnitude 25m/s and direction of 45 degrees?

B- What are the x and y components of a vector of magnitude 75N and a direction of 60 degrees.2. Are these the formulas you use?

Vx=(R)Cos0
Vy=(R)Sin0
3. help please
 
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Welcome to PF;
Never mind trying to figure out which formula is for which - instead, use your knowledge of geometry.
Start by drawing out a pair of x and y axes, then sketch the vector on those axes.
If you draw a dotted line at 90deg from the x-axis to the tip of the vector arrow, you will have a triangle where the vector is the hypotenuse.
The components are the other two sides.
 
90 degrees? As in a right angle? Can you clarify that
 
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90 degrees? As in a right angle? Can you clarify that
That's right - "deg" = "degrees" (it's easier to type than those little circles).
90deg = (pi/2)rad = "perpendicular to" = (yes) the right angle.
It's how you normally read off a coordinate from an axis.

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