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Astronauts use a centrifuge to simulate the acceleration of a rocket launch. The centrifuge takes 40.0 s to speed up from rest to its top speed of 1 rotation every 1.20 s . The astronaut is strapped into a seat 4.90 m from the axis.

please show work. need help with both questions.

Problem 4.59 Part A Astronauts use a centrifuge to simulate the acceleration of a rocket launch. The centrifuge takes 40.0 s to speed up from rest to its top speed of 1 rotation every 1.20 s. The astronaut is strapped into a seat 4.90 m from the axis. What is the astronauts tangential acceleration during the first 40.0 s? Express your answer with the appropriate units. ValueUnits Submit My Answers Give Up Part B How many gs of acceleration does the astronaut experience when the device is rotating at top speed? Each 9.80 m/s2 of acceleration is 1 g Express your answer with the appropriate units. UA ValueUnits Submit My Answers Give Up Provide Feedback Co

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