An ultracentrifuge accelerates from rest to 100,000 rpm in 2.50 min.(a) What is its angular acceleration in rad/s2?(b) What is the tangential acceleration (in m/s2) of a point 8.00 cm from the axis of rotation?(c) What is the radial acceleration in m/s2 and multiples of g of this point at full rpm?a in m/s m/s2a as a multiple of g g

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Answered: An ultracentrifuge accelerates from…

College Physics

1st Edition

ISBN:9781938168000

Author:Paul Peter Urone, Roger Hinrichs

Publisher:Paul Peter Urone, Roger Hinrichs

Chapter10: Rotational Motion And Angular Momentum

Section: Chapter Questions

Problem 2PE: Integrated Concepts An ultracentrifuge accelerates from rest to 100,000 rpm in 2.00 min. (a) What is...

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An ultracentrifuge accelerates from rest to 100,000 rpm in 2.50 min.

(a) What is its angular acceleration in rad/s²?

(b) What is the tangential acceleration (in m/s²) of a point 8.00 cm from the axis of rotation?

a in m/s m/s²a as a multiple of g g

Definition Definition Rate of change of angular velocity. Angular acceleration indicates how fast the angular velocity changes over time. It is a vector quantity and has both magnitude and direction. Magnitude is represented by the length of the vector and direction is represented by the right-hand thumb rule. An angular acceleration vector will be always perpendicular to the plane of rotation. Angular acceleration is generally denoted by the Greek letter α and its SI unit is rad/s 2 .

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