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Greensboro Day School Hooke’s Law Orbital Motion Reduced-Gravity Flight Experiment

Jeff Regester Physics. Chris Bernhardt Chemistry. Jason Cheek Mathematics. Melinda Graham Mathematics. Tim Martin Earth Science. Eric Shilling Mathematics. Greensboro Day School Hooke’s Law Orbital Motion Reduced-Gravity Flight Experiment.

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Greensboro Day School Hooke’s Law Orbital Motion Reduced-Gravity Flight Experiment

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  1. Jeff Regester Physics Chris Bernhardt Chemistry Jason Cheek Mathematics Melinda Graham Mathematics Tim Martin Earth Science Eric Shilling Mathematics Greensboro Day School Hooke’s Law Orbital Motion Reduced-Gravity Flight Experiment

  2. Hooke’s Lawdescribes the force exerted by a spring F=k·x F = force x = stretch of the spring k = spring constant Normal orbits caused by gravity lead to elliptical orbits. If gravity is replaced by a spring, what will the orbits look like? stiffer springs have bigger k’s

  3. Hooke’s Law Orbits Two masses, connected by a spring, are set spinning by a turntable apparatus. HYPOTHESIS: When released in 0g, the masses will oscillate in and out as they also orbit the system center of mass. Detailed numerical model predictions are to be compared with high-speed video footage.

  4. Construction & Testing

  5. Ellington Field glovebox modifications Fiona, our wonderful NASA mentor! Day One Test Readiness Review (TRR)

  6. Flight!

  7. Flight ground track A video frame. Video was shot at 300 frames per second. Twenty-six successful runs, testing a variety of parameters (spring constant, masses, initial RPM and axis location) were completed.

  8. Flight 2 Run 16 Numerical model prediction

  9. For more info... Go to the HLOM project website for • photos and video • raw and analyzed data • numerical models • articles, papers and classroom activities as they are written http://academic.greensboroday.org/~regesterj/data/rgo-HLOM/ MANY THANKS TO: Fiona Turett, our NASA/JSC mentor, Flavio Mendez & Marie Wiggins at NSTAthe RGO and TFS teams at NASA, and GDS for the financial support!

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