Are there any tips for interpreting word problems in physics?

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SUMMARY

This discussion focuses on strategies for interpreting word problems in freshman physics, particularly those involving angles and distances. The example provided involves three deer and requires the application of the law of cosines to determine the distance between deer A and C. Key insights include the importance of visualizing problems through diagrams and recognizing specific phrases that indicate geometric relationships, such as "relative to" and "angles outside the triangle." The participant emphasizes the need for clearer translations of terminology to aid understanding.

PREREQUISITES
  • Understanding of basic trigonometry concepts, including angles and distances.
  • Familiarity with the law of cosines for solving triangle problems.
  • Ability to interpret geometric relationships in word problems.
  • Basic skills in drawing diagrams to visualize physics problems.
NEXT STEPS
  • Research the law of cosines and its applications in physics problems.
  • Learn how to convert angles to azimuth format for better comprehension.
  • Explore techniques for translating common phrases in physics word problems.
  • Practice drawing diagrams for various types of physics problems to enhance understanding.
USEFUL FOR

This discussion is beneficial for freshman physics students, particularly those with learning disabilities or difficulties in interpreting word problems. It is also useful for educators seeking strategies to support students in understanding geometric relationships in physics.

Phreakzilla
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Hi,
I am new and a learning disabled student. I am taking freshman physics. I am not sure how to read the word problems or how to interpret them. For example, when I read a problem "Three deer, A, B, and C, are grazing in a field. Deer B is located 62 m from deer A at an angle of 51° north of west. Deer C is located 77° north of east relative to deer A. The distance between deer B and C is 95 m. What is the distance between deer A and C? (Hint: Consider the law of cosines)" I did not realize it meant the angles 51 and 77 were outside the lines and were angles adjacent to deer A.
I am asking if there are any phrases or words I should watch out for that would mean things like "angles outside the triangle" or tells me they mean perpendicular or has any particular other meaning... I hope I explained this well enough.
 
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Try drawing these out. It helps a lot. Or, in other words, drawing these problems out helps a lot. Everyone has problems taking this type of info and just plugging it into an equation. Drawing them out helps a lot.

(I hate that method of identifying angles, as well. The first thing I'd do is convert them to an Azimuth with North being 0, East being 90, South being 180, and West being 270.)
 
Well, I guess that's my problem. If I could understand what it was saying, I could draw a diagram. I suppose that 's why I was looking for translations to phrases like "relative to" means "near it" or something like that.
 
I do not have a good working knowledge of physics yet. I tried to piece this together but after researching this, I couldn’t figure out the correct laws of physics to combine to develop a formula to answer this question. Ex. 1 - A moving object impacts a static object at a constant velocity. Ex. 2 - A moving object impacts a static object at the same velocity but is accelerating at the moment of impact. Assuming the mass of the objects is the same and the velocity at the moment of impact...

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