A polisher is started so that the fleece along the circumference undergoes a constant tangential acceleration of 5 m/s 2. Five seconds after a polisher is started from rest, small tufts of fleece from along the circumference of the 250-mm-diameter polishing pad are observed to fly free of the pad. At this instant, determine (a) the speed v of a tuft as it leaves the pad, (b) the magnitude of the force required to free a tuft if the average mass of a tuft is 1.5 mg. OFt -> 0.009, v -> 25., Ftan -> 9.*10^-6, Fnorm -> 0.009 Ft-> 0.009375, v -> 25., Ftan -> 7.5*10^-6, Fnorm > 0.009375 Ft -> 0.0075, v -> 25., Ftan -> 7.5 10^-6, Fnorm -> 0.0075 Ft-> 0.0192, v -> 40., Ftan -> 7.5*10^-6, Fnorm -> 0.0192

A polisher is started so that the fleece along the circumference undergoes a constant tangential acceleration of 5 m/s 2. Five seconds after a polisher is started from rest, small tufts of fleece from along the circumference of the 250-mm-diameter polishing pad are observed to fly free of the pad. At this instant, determine (a) the speed v of a tuft as it leaves the pad, (b) the magnitude of the force required to free a tuft if the average mass of a tuft is 1.5 mg. OFt -> 0.009, v -> 25., Ftan -> 9.10^-6, Fnorm -> 0.009 Ft-> 0.009375, v -> 25., Ftan -> 7.510^-6, Fnorm > 0.009375 Ft -> 0.0075, v -> 25., Ftan -> 7.5 10^-6, Fnorm -> 0.0075 Ft-> 0.0192, v -> 40., Ftan -> 7.5*10^-6, Fnorm -> 0.0192

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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Concept explainers

Slope and Deflection

The slope in a deflected beam is described as an angle in radians made by the tangent of the section with the original axis of the beam. The deflection at any point on the axis of the beam is defined as the lateral displacement of the point before and after loading.

Question

A polisher is started so that the fleece along the circumference undergoes a constant
tangential acceleration of 5 m/s 2. Five seconds after a polisher is started from rest,
small tufts of fleece from along the circumference of the 250-mm-diameter polishing
pad are observed to fly free of the pad. At this
instant, determine (a) the speed v of a tuft as it leaves the pad, (b) the magnitude of
the force required to free a tuft if the average mass of a tuft is 1.5 mg.
O Ft -> 0.009, v -> 25., Ftan -> 9.*10^-6, Fnorm -> 0.009
Ft-> 0.009375, v -> 25., Ftan -> 7.5*10^-6, Fnorm > 0.009375
Ft-> 0.0075, v -> 25., Ftan -> 7.5 10^-6, Fnorm -> 0.0075
Ft-> 0.0192, v -> 40., Ftan -> 7.5*10^-6, Fnorm -> 0.0192

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