Question: 18. A object on a spring is oscillating according to the equation of motion for damped oscillator: y = Ae at sin (w . +)

18. A object on a spring is oscillating according to the equation of motion for damped oscillator: y = Ae at sin (w . +) If the damping coefficient is 0.20, the angular frequency is 2.0 s', what is the amplitude if the position of the object at time t = 1.0 sec is 1.6 m? 10.5 m 7.6 m 2.9m 2.1 m 19. What is the relationship between a spring constant, the force applied to an object attached to the spring, and the amount the spring will stretch? B i U Font Family -AAA OF . E . E - 3 0 20. The formula for the period of a pendulum is independent of its mass. What variable does it depend on, and how does changing this variable affect the period? B i U Font Family - AA- A OF . B . E .@ 6 0

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