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The 20-g centrifuge at NASA's Ames Research Center in Mountain View, California, is a horizontal, cylindrical tube 58 ft long and is represented in the figure below. Assume an astronaut in training sits in a seat at one end, facing the axis of rotation 29.0 ft away. Determine the rotation rate, in revolutions per second, required to give the astronaut a centripetal acceleration of 19.0g.

  • physics -

    please explain steps/thinking thank you!

  • physics -

    Centripetal acceleration is
    a = ω ²•r
    where ω is the angular velocity (in radians per second), and r is the radius r=29 ft
    ω=sqrt(a/r)= …. (in rad/s)

    f(rev/s)= ω (rad/s)/2π

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