Bilbrun observes his windmill rotate with constant angular s…
Bilbrun observes his windmill rotate with constant angular speed 8 times in five minutes. Then the wind completely dies down, and the windmill rotates exactly 3 more times before coming to rest. What is the magnitude of the average angular acceleration of the windmill after it begins slowing down?
Read DetailsTwo planets, Fibblestib and Dimble, orbit a single star. The…
Two planets, Fibblestib and Dimble, orbit a single star. The gravitational force from the star on planet Fibblestib is twice the force from the star on planet Dimble. Also, planet Dimble has three times the mass of planet Fibblestib. What is the ratio of the two planets’ orbital radii RFibblestib/RDimble?
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