A disk with a radius of 1.5 cm speeds up from 20 rad/s to 100 rad/s in 2.0 seconds. a) What is the average angular acceleration of the disk? b) What is the centripetal acceleration of a point at the edge of the disk when angular speed is 60 rad/s. c) What is the net acceleration of the point in nart b?

A disk with a radius of 1.5 cm speeds up from 20 rad/s to 100 rad/s in 2.0 seconds. a) What is the average angular acceleration of the disk? b) What is the centripetal acceleration of a point at the edge of the disk when angular speed is 60 rad/s. c) What is the net acceleration of the point in nart b?

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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