Elements Of Electromagnetics
7th Edition
ISBN: 9780190698614
Author: Sadiku, Matthew N. O.
Publisher: Oxford University Press
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Find the equation of motion using the Lagrangian method?
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- Consider the double mass/double spring system shown below. - click to expand. Both springs have spring constants k, and both masses have mass m; each spring is subject to a damping force of Ffriction -cz' (friction proportional to velocity). We can write the resulting system of second-order DEs as a first-order system, t' (t) = Au(t), with = (₁, 21, 22, 2₂) I For values of k = 4, m = 1 and c = 1, the resulting eigenvalues and eigenvectors of A are -0.039-0.248i 0.813 A₁2=-0.5±3.2i, v₁ = 0.024 +0.153i -0.502 -0.134-0.302i 0.409 -0.2160.489 0.661 (a) Find a set of initial displacements (0), 2(0) that will lead to the fast mode of oscillation for this sytem. Assume that the initial velocities wil be zero. A3,4 -0.5± 1.13i, z = and (2₁ (0), ₂(0)) = Enter your answer using angle braces, (and). (b) At what frequency will the masses be oscillating in this mode? Frequency rad/sarrow_forwardPls see the question in the attcahed image and solve using either Newton’s method or Lagrange Energy method .arrow_forwardA simple harmonic oscillator, of mass and natural frequency , experiences anoscillating driving force . Therefore, its equation of motion is where is its position. Given that at we have , , find thefunction . Describe the solution if is approximately, but not exactly, equal to .arrow_forward
- system with m=20, c = 17 Suppose that the mass in a mass-spring-dashpot and k = 3 is set in motion with x(0) = 0 and x'(0) = 8. (a) Find the position function x(t) and show that its graph looks as indicated in the figure. (b) Find how far the mass moves to the right before starting back toward the origin. 3 5 160 (a) x(t) = 7 (Type an exact answer.) 160 7 300 (b) The mass moves 7.1344 units to the right before turning back. (Round to four decimal places as needed.) 0 10 20 30 40 50arrow_forwardNeeds Complete typed solution with 100 % accuracy.arrow_forwardA solid cylinder (mass 1.2kg, radius 5.0cm) on a horizontal table is connected to a block (mass 200 g) via a pulley (mass 0.80kg, radius 10.0cm) via a light, rigid string. Draw free body diagram for each of the object 1) list the dynamic and kinematic equations that related to all three objects. 2) find the acceleration of the falling block 3) fnd the angular acceleration of the cylinder and the friction force on itarrow_forward
- Dtes 6) Take a look at the picture below. Initially the system is at rest. The spring is activated and sends the mass moving with tangential speed "v" and the disk rotating with angular velocity "w". Find expressions for these parameters in terms of the variables given. Final I nitind At Rest Dişk Rolutes Sprivag: compressx a mass と szring Cons & ingetid velocty muss Rotafiond ふnertiu ofDkarrow_forwardUsing the equation of motion and please include free body diagram. thank you!arrow_forwardFast pls solve this question correctly in 5 min pls I will give u like for sure Sini.arrow_forward
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