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A centrifuge ( 22) with an angular speed of 6050 rpm
Chapter 10, Problem 99GP(choose chapter or problem)
Problem 99GP
A centrifuge (Problem 22) with an angular speed of 6050 rpm produces a maximum centripetal acceleration equal to 6840 g (that is, 6840 times the acceleration of gravity). (a) What is the diameter of this centrifuge? (b) What force must the bottom of the sample holder exert on a 15.0-g sample under these conditions?
Questions & Answers
QUESTION:
Problem 99GP
A centrifuge (Problem 22) with an angular speed of 6050 rpm produces a maximum centripetal acceleration equal to 6840 g (that is, 6840 times the acceleration of gravity). (a) What is the diameter of this centrifuge? (b) What force must the bottom of the sample holder exert on a 15.0-g sample under these conditions?
ANSWER:
Solution 99GP
Step 1 of 4
Here we need to find the diameter of the centrifuge and the force.
The angular speed is given as: .
The centripetal acceleration is: .
We know that,
And
This implies that, --------------(1)