NASA's Ames Research Center in Mountain View, California, houses a 20g centrifuge used to conduct research and training to solve real world problems related to the effects of acceleration on systems. It consists of a horizontal rail system with a 58-foot diameter mounted on a central axis, as shown in the figure below. An astronaut is using the centrifuge for training on high accelerations during spaceflight. The astronaut is seated 29.0 ft from the axis of rotation. At what rotation rate, in revolutions per second, will the astronaut experience a centripetal acceleration of 11.6g? KKKH rev/s

NASA's Ames Research Center in Mountain View, California, houses a 20g centrifuge used to conduct research and training to solve real world problems related to the effects of acceleration on systems. It consists of a horizontal rail system with a 58-foot diameter mounted on a central axis, as shown in the figure below. An astronaut is using the centrifuge for training on high accelerations during spaceflight. The astronaut is seated 29.0 ft from the axis of rotation. At what rotation rate, in revolutions per second, will the astronaut experience a centripetal acceleration of 11.6g? KKKH rev/s

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter7: Rotational Motion And Gravitation

Section: Chapter Questions

Problem 20P: Human centrifuges are used to train military pilots and astronauts in preparation for high-g...

See similar textbooks

Similar questions

A point on a rotating turntable 20.0 cm from the center accelerates from rest to a final speed of 0.700 m/s in 1.75 s. At t = 1.25 s, find the magnitude and direction of (a) the radial acceleration, (b) the tangential acceleration, and (c) the total acceleration of the point.
Human centrifuges are used to train military pilots and astronauts in preparation for high-g maneuvers. A trained, fit person wearing a g-suit can withstand accelerations up to about 9g (88.2 m/s2) without losing consciousness, (a) If a human centrifuge has a radius of 4.50 m, what angular speed results in a centripetal acceleration of 9g? (b) What linear speed would a person in the centrifuge have at this acceleration?
An astronaut is inside a centrifuge that has a radius of 10 m. The astronaut is experiencing 10g, meaning that the centripetal acceleration is ac=98ms2ac=98ms2. The angular velocity of the astronaut is
An astronaut is inside a centrifuge that has a radius of 10 m. The astronaut is experiencing 10g, meaning that the centripetal acceleration is ac=98ms2ac=98ms2. The tangential velocity of the astronaut is
A wind turbine is rotating counterclockwise at 0.78 rev/s and slows to a stop in 17 s. Its blades are 25 m in length. (a) What is the angular acceleration of the turbine (in rad/s2)? (Indicate the direction with the sign of your answer.)_________rad/s2 (b) What is the centripetal acceleration (in m/s2) of the tip of the blades at t = 0? (Enter the magnitude. Round your answer to at least two decimal places.)_________m/s2 (c) What is the magnitude (in m/s2) of the total linear acceleration of the tip of the blades at t = 0? (Round your answer to at least two decimal places.)_________m/s2 What is the angle that this total linear acceleration vector makes with the centripetal acceleration vector? (Enter the magnitude of the smallest such angle in degrees.)_________°
The world's tallest Ferris wheel is the High Roller in Las Vegas, NV. It has a radius of about 79 m If the ride time is 8 minutes (480 s), then how many revolutions does the wheel make and how many radians has it rotated?
A 5.4-m-diameter merry-go-round is initially turning with a 4.1 s period. It steadily slows down and stops in 27 s. Before slowing, what is the speed of a child on the rim? How many revolutions does the merry-go-round make as it stops?
An astronaut is being tested in a centrifuge. The centrifuge has a radius of 2 m and, in starting, rotates according to θ = 6t^2, where t is in seconds and θ is in radians. When t = 5 s, what are the magnitudes of the astronaut’s (a) tangential acceleration, and (b) radial acceleration?
A wind turbine is rotating counterclockwise at 0.78 rev/s and slows to a stop in 17 s. Its blades are 25 m in length. (a) What is the angular acceleration of the turbine (in rad/s2)? (Indicate the direction with the sign of your answer.)_________rad/s2 (b) What is the centripetal acceleration (in m/s2) of the tip of the blades at t = 0? (Enter the magnitude. Round your answer to at least two decimal places.)_________m/s2 What is the angle that this total linear acceleration vector makes with the centripetal acceleration vector? (Enter the magnitude of the smallest such angle in degrees.)_________°
A wind turbine is rotating counterclockwise at 0.83 rev/s and slows to a stop in 21 s. Its blades are 17 m in length. (a) What is the angular acceleration of the turbine (in rad/s2)? (Indicate the direction with the sign of your answer.) (b) What is the centripetal acceleration (in m/s2) of the tip of the blades at t = 0? (Enter the magnitude. Round your answer to at least two decimal places.) m/s2 (c) What is the magnitude (in m/s2) of the total linear acceleration of the tip of the blades at t = 0? (Round your answer to at least two decimal places.) m/s2 What is the angle that this total linear acceleration vector makes with the centripetal acceleration vector? (Enter the magnitude of the smallest such angle in degrees.)
A point on the rim of a rotating flywheel changes its speed from 1.5 m/s to 9 m/s while it moves 60 m. Compute its tangential acceleration in m/s2.
A gondola on an amusement park ride spins at a speed of 13 revolutions per minute. If the gondola is 21 feet from the ride's center, what is the linear speed of the gondola in miles per hour?