7. In Figure 6, the cups and the arms of an anemometer are fabricated from a material of density p. Knowing that the mass moment of inertia of a thin, hemispherical shell of mass m and thickness t with respect to its centroidal axis GG' is 5ma2/12, determine a. the mass moment of inertia of the anemometer with respect to the axis AA' b. the ratio of a to 1 for which the centroidal moment of inertia of the cup is equal to 1% of the moment of inertia of the cups with respect to the axis AA'. Page 5 of 8 Figure 6

7. In Figure 6, the cups and the arms of an anemometer are fabricated from a material of density p. Knowing that the mass moment of inertia of a thin, hemispherical shell of mass m and thickness t with respect to its centroidal axis GG' is 5ma2/12, determine a. the mass moment of inertia of the anemometer with respect to the axis AA' b. the ratio of a to 1 for which the centroidal moment of inertia of the cup is equal to 1% of the moment of inertia of the cups with respect to the axis AA'. Page 5 of 8 Figure 6

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

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Properties of Fluids

The term fluid represents a type of substance that can easily change its shape under any external pressure/force and can flow. Fluids can acquire any shape in which it is stored and can resist normal stresses but cannot resist shear stress in rest condition. Whenever external shear stress is applied to fluids, it starts to flow. The fluids may be liquid or gas. Example- water, air, etc.

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The cups and arms of an anemometer are fabricated to have a density rho find

7. In Figure 6, the cups and the arms of an anemometer are fabricated from a material of
density p. Knowing that the mass moment of inertia of a thin, hemispherical shell of mass
m and thickness t with respect to its centroidal axis GG' is 5ma2/12, determine
a. the mass moment of inertia of the anemometer with respect to the axis AA'
b. the ratio of a to 1 for which the centroidal moment of inertia of the cup is equal to 1%
of the moment of inertia of the cups with respect to the axis AA'.
Page 5 of 8
Figure 6

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