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2 cards from this section. Quick, good the night before a test.
What is angular velocity?
Think about how fast something is rotating.
Name one example of planetary motion.
Consider how long it takes for a planet to complete one full orbit.
What is the primary characteristic of planetary motion?
Refer to the shape of a planet's orbit.
True or False: Angular velocity is only relevant for planets.
Think about any rotating object around us.
If a planet travels at an angular velocity of 2π radians per year, how long does it take to complete one full revolution?
Consider the relationship between angular velocity and the period of rotation.
A planet's angular velocity increases from π/2 radians/day to 3π/2 radians/day. Calculate its angular acceleration over 5 days.
Use the formula for angular acceleration.
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