Consider the following models of vibratory systems and their respective equations of displacement x (t), in meters, with respect to time, in seconds, from the equilibrium position: the models are in the first attached image. Which of the following statements is correct? answers: a) Model 2 has a higher initial velocity than model 1 and both models have zero initial displacement. b) Model 2 presents the mechanical resonance effect and has greater displacement at 83 seconds than model 1. c) Both models have zero initial velocity, and model 2 has greater displacement at 54 seconds than model 1. d ) Both systems present the mechanical resonance effect and model 1 has a higher initial velocity than model 2.
Consider the following models of vibratory systems and their respective equations of displacement x (t), in meters, with respect to time, in seconds, from the equilibrium position: the models are in the first attached image. Which of the following statements is correct? answers: a) Model 2 has a higher initial velocity than model 1 and both models have zero initial displacement. b) Model 2 presents the mechanical resonance effect and has greater displacement at 83 seconds than model 1. c) Both models have zero initial velocity, and model 2 has greater displacement at 54 seconds than model 1. d ) Both systems present the mechanical resonance effect and model 1 has a higher initial velocity than model 2.
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Question
Consider the following models of vibratory systems and their respective equations of displacement x (t), in meters, with respect to time, in seconds, from the equilibrium position:
the models are in the first attached image.
Which of the following statements is correct?
answers:
a) Model 2 has a higher initial velocity than model 1 and both models have zero initial displacement.
b) Model 2 presents the mechanical resonance effect and has greater displacement at 83 seconds than model 1.
c) Both models have zero initial velocity, and model 2 has greater displacement at 54 seconds than model 1.
d ) Both systems present the mechanical resonance effect and model 1 has a higher initial velocity than model 2.
Transcribed Image Text:Modelo 1
0.4-
x(1) 0.2-
0-
20
30
-0.2
-0.4
x(t) = 0.2sen(1.5t) + 0.3sen(t)
Modelo 2
0.06-
0.04-
x(t)
0.02-
10
-0.02-
-0.04-
-0.06-
1
x(t)
sen(8t)
1200
t cos(8t)
150
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