Determine the rotation rate

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Reference no: EM1360150

Q. One particular battery is advertised as having 855 cranking amps and a 125-minute reserve capacity. Compare these two ratings by determining the ratio of energy delivered by reserve capacity versus cranking amps.

Q. As their booster rockets separate, Space Shuttle astronauts typically feel accelerations up to 3g, where g = 9.80 m/s2. In their training, astronauts ride in a device where they experience such an acceleration as a centripetal acceleration. Specifically, the astronaut is fastened securely at the end of a mechanical arm that then turns at constant speed in a horizontal circle. Determine the rotation rate, in revolutions per second, required to give an astronaut a centripetal acceleration of 3.36g while in circular motion with radius 9.16 m.

Reference no: EM1360150

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