Asked by Oisin
(b)A centrifuge has a maximum rotation rate of 10,000 rpm and can be stopped in 4 seconds. Assume the deceleration is uniform. The centrifuge radius is 8 cm.
(i)What is the average angular acceleration of the centrifuge? (2%)
(ii)What is the distance that a point on the rim travels during deceleration?
(i)What is the average angular acceleration of the centrifuge? (2%)
(ii)What is the distance that a point on the rim travels during deceleration?
Answers
Answered by
bobpursley
angular acceleration=10,000*2PI/60 / 4 rad/sec
displacement=wi*t -1/2 10,000*2PI/60 * 4^2
displacement=wi*t -1/2 10,000*2PI/60 * 4^2
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