How far apart are the moonlets in km if the angle between them from the planet's center is 30 degrees? The density of the asteroid in kg/m^3.

Principles of Physics: A Calculus-Based Text
5th Edition
ISBN:9781133104261
Author:Raymond A. Serway, John W. Jewett
Publisher:Raymond A. Serway, John W. Jewett
Chapter11: Gravity, Planetary Orbits, And The Hydrogen Atom
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An asteroid with a 400 km diameter has two moonlets orbiting it. One orbits at an altitude of 45 km and completes 2 orbits in 8 hours. The other completes 2 orbits in a day. Find:

How far apart are the moonlets in km if the angle between them from the planet's center is 30 degrees?

The density of the asteroid in kg/m^3.      

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