Doors a and b have the same mass, height, and thickness. door b is twice as wide as door a. a person pushes straight against the outer edge of door b with force f. a second person pushes against the outer edge of door a with force 2f. which door will have the larger angular acceleration? use i = 1/3 ml^2 for the moment of inertia of the door where l represents the width of the door. show all your work.
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Arotating space station is said to create “artificial gravity”—a loosely-defined term used for an acceleration that would be crudely similar to gravity. the outer wall of the rotating space station would become a floor for the astronauts, and centripetal acceleration supplied by the floor would allow astronauts to exercise and maintain muscle and bone strength more naturally than in non-rotating space environments. if the space station is 200 m in diameter, what angular velocity would produce an “artificial gravity” of 9.80 m/s^{2} 2 at the rim?
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Doors a and b have the same mass, height, and thickness. door b is twice as wide as door a. a person...
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