A cart is connected to a spring and oscillates due to a motor that applies a force: fmotor = 2 cos(2 t) N. In addition to the spring force there is a damping force: fdamping = -2 v. The cart has a mass of 2 kg and the spring has a spring constant of k = 189. A) After waiting for t » 1/B what is the amplitude and phase angle of the position as a function of time? You can leave your answer as a fraction. B) If you wanted to make the amplitude a maximum without changing the driving force how much mass would you add to the cart? You can leave your answer as a fraction. X X = 0
A cart is connected to a spring and oscillates due to a motor that applies a force: fmotor = 2 cos(2 t) N. In addition to the spring force there is a damping force: fdamping = -2 v. The cart has a mass of 2 kg and the spring has a spring constant of k = 189. A) After waiting for t » 1/B what is the amplitude and phase angle of the position as a function of time? You can leave your answer as a fraction. B) If you wanted to make the amplitude a maximum without changing the driving force how much mass would you add to the cart? You can leave your answer as a fraction. X X = 0
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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