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3 cards from this section. Quick, good the night before a test.
Define non-uniform angular motion.
Think about how objects like wheels react when changing speeds.
Give an example of non-uniform angular motion.
Think about toys and everyday objects.
What is non-uniform angular motion?
Think about how movements can vary.
True or False: A car wheel accelerating experiences non-uniform angular motion.
Remember that acceleration affects speed.
A roller coaster car accelerates from a stop to 25 m/s as it descends a slope in 10 seconds. Calculate the angular acceleration if the radius of the track is 5 meters.
Remember that linear velocity translates into angular when considering the radius.
A wheel rotates with an initial angular velocity of 12 rad/s and decreases to 6 rad/s over 4 seconds. Determine the angular deceleration.
Review the formula and the signs of angular velocities.
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