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Answered: - A computer is reading data from a rotating CD-ROM. At a point


A computer is reading data from a rotating CD-ROM. At a point that is 0.030 m from the center of the disc, the centripetal acceleration is 120m/s^2. What is the centripetal acceleration at a point that is 0.050 m from the center of the disc?


Computer-?controlled?display screens provide drivers in? the Indianapolis 500 with a variety of information about how their cars are performing. For instance, as a car is going through a turn, a speed of 221m/h(98.8m/s) and centripetal acceleration 0f 3.00 g(three times the acceleration due to gravity) are displayed. Determine the radius of turn in meters.


Speedboat A negotiates a curve whose radius is 120m. Speedboat B negotiates a curve whose radius is 240 m. Each both experiences the same centripetal acceleration. What is the ratio Va/Vb of the speeds of the boats?

 


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