Finding the Velocity of a Hang Glider: Where to Start?

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SUMMARY

The discussion centers on calculating the velocity of a hang glider given its vertical and horizontal speeds. The hang glider ascends at 6.75 m/s while its shadow moves at 17.0 m/s. Participants confirm that both vertical and horizontal velocities are sufficient to determine the overall velocity using the Pythagorean theorem. The angle of ascent is not necessary for this calculation, simplifying the process for those unfamiliar with the concept.

PREREQUISITES
  • Understanding of basic physics concepts, particularly velocity.
  • Familiarity with the Pythagorean theorem.
  • Knowledge of vertical and horizontal motion in physics.
  • Ability to interpret diagrams related to motion.
NEXT STEPS
  • Study the application of the Pythagorean theorem in physics problems.
  • Learn about vector addition in the context of motion.
  • Explore the concept of relative motion in physics.
  • Investigate how to calculate angles of elevation and depression in similar scenarios.
USEFUL FOR

Students studying physics, educators teaching motion concepts, and anyone interested in understanding the dynamics of hang gliding and related calculations.

metalmagik
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The altitude of a hang glider is increasing at a rate of 6.75 m/s. At the same time, the shadow of the glider moves along the ground at a speed of 17.0 m/s when the sun is directly overhead. Find the magnitude of the glider's velocity.

I drew this diagram all out and I still cannot understand the concept of this. I don't understand...I could figure this out if I was given an angle at wihch the hang glider was traveling...but since I am not i do not know how to figure this out. Where can I start? any help please??
 
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Effectively, you have been given both the vertical and horizontal velocity. That is all you need. Knowing both of these, you could find the angle if you needed to.
 
AH thanks I didnt need the angle but that got me to thinking about how to get it and i realized to use pythagorean theorem. THANKS!
 

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