In a laboratory test of tolerance for high acceleration, a pilot is swung in a circle 15.0 m in diameter. It is found that the pilot blacks out when he is spun at 30.6 rpm (rev/min). At what acceleration (in SI units) does the pilot black out? acceleration: 77.0 m/s² Express this acceleration in terms of a multiple of g. acceleration as a multiple of g: 7.86 8 If you want to decrease the acceleration by 24.0% without changing the diameter of the circle, by what percent must you change the time for the pilot to make one circle? percent of time change: %

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Centripetal Force

A particle, body, object or certain mass while travelling in a rotational path or semicircular path, experiences an inertia force. If that inertia force pulls the towards the inward of the imaginary circle in the rotation, it is termed as centripetal force.