A 20 kg mass attached to the lower end of a spring whose upper end is fixed, vibrates with a natural period of 0.6 s. Determine the natural period when a 3 kg mass is attached to the mid-point of the same spring with the upper and the lower ends fixed. 20 94 and T

A 20 kg mass attached to the lower end of a spring whose upper end is fixed, vibrates with a natural period of 0.6 s. Determine the natural period when a 3 kg mass is attached to the mid-point of the same spring with the upper and the lower ends fixed. 20 94 and T

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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Question

I need answer within 20 minutes please please with my best wishes Hussein

A 20 kg mass attached to the lower end of a spring whose upper end is fixed, vibrates with
a natural period of 0.6 s. Determine the natural period when a 3 kg mass is attached to the
mid-point of the same spring with the upper and the lower ends fixed.
(Ans: For first position @, = 10.47 rad/s; Second position a, = 20.94 and T = 03 s)
%3D
epring as shown in Figure 2.20

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