Quiz 3. Kepler's Laws

Name: ________________________ Given 9/07 ID Number: ________________________

1. A new planet is discovered in an orbit around the Sun! Briefly state the law which predicts its orbital period, and describe the information you'd need to use this law.












2. The planet's distance to the Sun varies between Rp and Ra. State the law which predicts the shape of the planet's orbit, and explain how to plot this orbit.












3.The planet moves faster in one part of its orbit, and slower in another part. State the law which predicts how its speed varies, and explain how you could use it to find the range of speeds.













Joshua E. Barnes (barnes@ifa.hawaii.edu)
Last modified: September 6, 2006
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