Physics, 24.04.2020 04:30 janelisse199820
Wagon wheel. While working on your latest novel about settlers crossing the Great Plains in a wagon train, you get into an argument with your co-author regarding the moment of inertia of an actual wooden wagon wheel. The 70-kg wheel is 120-cm in diameter and has heavy spokes connecting the rim to the axle. Your co-author claims that you can approximate using I = MR2 (like for a hoop) but you anticipate I will be significantly less than that because of the mass located in the spokes. To find I experimentally, you mount the wheel on a low-friction bearing then wrap a light cord around the outside of the rim to which you attach a 20-kg bag of sand. When the bag is released from rest, it falls with a downward acceleration of 2.95 m/s2.
Answers: 3
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Wagon wheel. While working on your latest novel about settlers crossing the Great Plains in a wagon...
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