quiz-06-2 - Maple T.A. - Gradebook

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System Homepage » Class Homepage » Student Details » Student Assignment Details MATH2860 (Summer 2008): Lecture Quizzes : Gradebook Welcome Nasir Awan [ My Profile ] Assignment detail for Nasir Awan in Quiz 6: Nasir Awan Login: 100355678 Email: ameernaser@hotmail.com Student ID: 100355678 Assignments completed: 9 Assignments active: 0 Question Grade 1 If a differential equation which models the motion of a mass on a spring has the solution x(t) = 3 e (- 2 t) + 4 e (- 5 t) , then what type of motion are we modelling? Select only ONE answer. Choice Selected Free, damped Yes [answer withheld] Free, undamped No [answer withheld] Forced, undamped No [answer withheld] Forced, damped No [answer withheld] Number of available correct choices: 0 Partial Grading Explained Instructors Comment: 1.0 2 A mass weighing 3 kg hangs on a spring with a spring constant of 2 N/m, and a damping force acts on the spring that is numerically equal to 50 times the instantaneous velocity. Which of the following is true about this system?
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quiz-06-2 - Maple T.A. - Gradebook

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