Calculating Speed Along Sides of Right Angle at Intersection with Ruler

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SUMMARY

The discussion centers on a physics problem involving a ruler moving at a speed of 10 cm/sec, which remains perpendicular to the bisectrix of a right angle. Participants clarify that the bisectrix is synonymous with the bisector, and the ruler's movement creates points of intersection along the sides of the angle. The key challenge is visualizing the scenario and understanding the geometric terms involved.

PREREQUISITES
  • Understanding of basic geometry, specifically right angles and bisectors.
  • Familiarity with the concept of speed and motion in a geometric context.
  • Knowledge of terminology related to angles, such as bisectrix and perpendicular lines.
  • Ability to visualize geometric scenarios involving moving objects.
NEXT STEPS
  • Research the properties of bisectors and bisectrices in geometry.
  • Explore the relationship between speed and motion in geometric contexts.
  • Study problems involving dynamic geometry and moving lines.
  • Learn about the applications of geometry in physics, particularly in motion analysis.
USEFUL FOR

Students studying geometry, physics enthusiasts, and educators looking to enhance their understanding of dynamic geometric scenarios involving motion and angles.

teddyayalew
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Homework Statement


A right-angle is drawn on a sheet of paper. A ruler , which always remains perpendicular to the bisectrix of this angle moves over the paper with a speed 10cm/sec. The ends of the ruler intersect the sides of the angle. What are the speeds along the sides of the angle of their points of intersection with the ruler?


Homework Equations







The Attempt at a Solution


I'm not asking anyone to give me a solutions I am just having difficulty picturing the physical scenario described in the question
1) Am I right to assume it means a right angle with legs parallel to the sides of the paper?
2) I don't understand what bisectrix means if not bisector and if so then how is the ruler perpendicular to the bisectrix and what is the bisectrix?
 
Physics news on Phys.org
hi teddyayalew! :smile:

bisector and bisectrix are the same, bisectrix is the female version, and apparently lines are feminine!
 

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