18.2 A thin rectangular plate of weight 15 lb rotates about its vertical diagonal AB with an angular velocity V. Knowing that the z axis is perpendicular to the plate and that V is constant and equal to 5 rad/s, determine the angular momentum of the plate about its mass center G.

18.2 A thin rectangular plate of weight 15 lb rotates about its vertical diagonal AB with an angular velocity V. Knowing that the z axis is perpendicular to the plate and that V is constant and equal to 5 rad/s, determine the angular momentum of the plate about its mass center G.

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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Conservation of Energy

In physics, the rule of the conservation of energy states that energy doesn’t disappear from the atmosphere; instead, it changes its form from one type to another. Energy is one of the most important physical quantities in nature, and it cannot be created or destroyed — only transformed.

Question

ANSWER: -(0.408 slug • ft²/s)i + (0.1398 slug • ft²/s)j

18.2 A thin rectangular plate of weight 15 lb rotates about its vertical
diagonal AB with an angular velocity V. Knowing that the z axis
is perpendicular to the plate and that V is constant and equal to
5 rad/s, determine the angular momentum of the plate about its
mass center G.
12 in.
9 in.
Fig. P18.2

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