25) A metal sphere is dropped into a deep tank containing a viscous liquid. It experiences a retarding force, f, which is directly proportional to its velocity, v. Which of the following statements is corrects? A) The rate of change of velocity, in the vertical direction, of the sphere will remain constant. B) The sphere dissipation energy at a constant rate. C) The momentum of the sphere will remain constant. D) The magnitude of the net force acting on the sphere will decrease to a constant value.

25) A metal sphere is dropped into a deep tank containing a viscous liquid. It experiences a retarding force, f, which is directly proportional to its velocity, v. Which of the following statements is corrects? A) The rate of change of velocity, in the vertical direction, of the sphere will remain constant. B) The sphere dissipation energy at a constant rate. C) The momentum of the sphere will remain constant. D) The magnitude of the net force acting on the sphere will decrease to a constant value.

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.

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25) A metal sphere is dropped into a deep tank containing a viscous liquid. It experiences a retarding
force, f, which is directly proportional to its velocity, v. Which of the following statements is
corrects?
A) The rate of change of velocity, in the vertical direction, of the sphere will remain constant.
B) The sphere dissipation energy at a constant rate.
C) The momentum of the sphere will remain constant.
D) The magnitude of the net force acting on the sphere will decrease to a constant value.

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