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• A helical spring has a stiffness of 1 N/mm. What mass should be hung on it, so that it may oscillate with a periodic time of 1-5 second ? Ans(57 kg)

• A helical spring has a stiffness of 1 N/mm. What mass should be hung on it, so that it may oscillate with a periodic time of 1-5 second ? Ans(57 kg)

Elements Of Electromagnetics
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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A body weighing 150 N, moves with simple harmonic motion. The velocity and acceleration of the body when it is 200 mm from the centre of oscillation, are 5 m/s and 20 m/s? respectively. Determine (a) amplitude of motion and (b) no. of vibrations per minute 11 A helical spring has a stiffness of 1 N/mm. What mass should be hung on it, so that it may oscillate with a periodic time of 1:5 second ? Ans(57 kg) 12
Transcribed Image Text:A body weighing 150 N, moves with simple harmonic motion. The velocity and acceleration of the body when it is 200 mm from the centre of oscillation, are 5 m/s and 20 m/s? respectively. Determine (a) amplitude of motion and (b) no. of vibrations per minute 11 A helical spring has a stiffness of 1 N/mm. What mass should be hung on it, so that it may oscillate with a periodic time of 1:5 second ? Ans(57 kg) 12
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