Exercise 4.2.7 Consider a pendulum of length L that swings back and forth without friction. Let 8(t) be the angle that the pendulum makes with a vertical line; see Figure 4.32 and Sections 4.6.5 or 4.6.6, where we derive the ODE 8" (1) + 0 (t) = 0 that the function 8 (t) approximately satisfies, at least if the angle (t) remains relatively close to zero (say, 8(t)| ≤ π/6, about 30 degrees). (a) Which of the spring-mass models does this correspond to overdamped, critically damped,
Exercise 4.2.7 Consider a pendulum of length L that swings back and forth without friction. Let 8(t) be the angle that the pendulum makes with a vertical line; see Figure 4.32 and Sections 4.6.5 or 4.6.6, where we derive the ODE 8" (1) + 0 (t) = 0 that the function 8 (t) approximately satisfies, at least if the angle (t) remains relatively close to zero (say, 8(t)| ≤ π/6, about 30 degrees). (a) Which of the spring-mass models does this correspond to overdamped, critically damped,
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