1. From the graph in Fig. 1 answer the following questions. (a) Which curve represents y...
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1. From the graph in Fig. 1 answer the following questions. (a) Which curve represents y = y(t)? How do you know? (b) What is the period of the motion? Answer this question first graphically (by reading the period from the graph) and then analytically (by finding the period using wo). (c) We say that the mass comes to rest if, after a certain time, the position of the mass remains within an arbitrary small distance from the equilibrium position. Will the mass ever come to rest? Why? (d) What is the amplitude of the oscillations for y? 0.5 -0.5 10 15 Figure 1: Harmonic motion (e) What is the maximum velocity (in magnitude) attained by the mass, and when is it attained? Make sure you give all the t-values at which the velocity is maximal and the corresponding maximum value. The t-values can be determined by magnifying the MATLAB figure using the magnify button and by using the periodicity of the velocity function. How far is the mass from the equilibrium when the maximum velocity is attained? (f) How does the size of the mass m and the stiffness k of the spring affect the motion? Support your answer first with a theoretical analysis on how wo (and therefore the period of the oscillation) is related to m and k, and then graphically by running LAB05ex1.m first with m = 20 and k = 25, and then with m = 9 and k = 53. Include the two corresponding graphs. 1. From the graph in Fig. 1 answer the following questions. (a) Which curve represents y = y(t)? How do you know? (b) What is the period of the motion? Answer this question first graphically (by reading the period from the graph) and then analytically (by finding the period using wo). (c) We say that the mass comes to rest if, after a certain time, the position of the mass remains within an arbitrary small distance from the equilibrium position. Will the mass ever come to rest? Why? (d) What is the amplitude of the oscillations for y? 0.5 -0.5 10 15 Figure 1: Harmonic motion (e) What is the maximum velocity (in magnitude) attained by the mass, and when is it attained? Make sure you give all the t-values at which the velocity is maximal and the corresponding maximum value. The t-values can be determined by magnifying the MATLAB figure using the magnify button and by using the periodicity of the velocity function. How far is the mass from the equilibrium when the maximum velocity is attained? (f) How does the size of the mass m and the stiffness k of the spring affect the motion? Support your answer first with a theoretical analysis on how wo (and therefore the period of the oscillation) is related to m and k, and then graphically by running LAB05ex1.m first with m = 20 and k = 25, and then with m = 9 and k = 53. Include the two corresponding graphs.
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Statistics The Exploration & Analysis Of Data
ISBN: 9780840058010
7th Edition
Authors: Roxy Peck, Jay L. Devore
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