Laura Sloma

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Recent Posts by Laura

Thu Jun 27, 2013 12:16 PM in Next Gen. SS Earth Science
Is anyone familiar with HS-ESS1-4 Motion of Orbiting Objects? This is allegedly a 9th grade level item. Use mathematical or computational representations to predict the motion of orbiting objects in the solar system. [Clarification Statement: Emphasis is on Newtonian gravitational laws governing orbital motions, which apply to human-made satellites as well as planets and moons.] [Assessment...

Thu Jun 27, 2013 11:07 AM in HS-ESS1-4. Use mathematical or computational representations to predict the motion of orbiting objects in the solar system.
I'm not really sure what they are getting at. Are we doing calculations with Kepler's 2 and third laws? Are we setting gravitational force (Gmm/r^2 = mv^2/r) to solve for velocity of orbits? Both? Neither? Can anyone shed some light on what they really want?