What angular speed (in revolutions/second)is needed for a centrifuge to produce an acceleration of 1 000 g at a radius arm of 15.0 cm?
A)40.7 rev/s
B)75.4 rev/s
C)81.4 rev/s
D)151 rev/s

Question

Quizplus · Accepted Answer

Explanation:The acceleration due to gravity is g = 9.8 m/s2. The acceleration of the centrifuge is 1000 g = 1000 * 9.8 m/s2 = 9800 m/s2. The radius arm is r = 15.0 cm = 0.15 m. The angular speed is given by:ω = √(a/r) = √(9800 m/s2 / 0.15 m) = 40.7 rev/s

What Angular Speed (In Revolutions/second)is Needed for a Centrifuge to Produce