Quizzes-SE8101 SEB101-Engineering Physlics Engineering Physics ources Discussion
ID: 2033827 • Letter: Q
Question
Quizzes-SE8101 SEB101-Engineering Physlics Engineering Physics ources Discussions Assessment Tooly SHANE MICHAEL HENDERSON 2018 Assignment 1-Qui SHANE MICHAEL HENDERSON Attenpt Question 6 (1 point) A 050kg block attached to an ideal spring with a spring constant ot 80 N/m escilates on a horizontal frictionless surface. The toital mechanical energy 0.12 J. The greatest extension of the spring from its equilbrium length 1.5 mn 10?0009 m 13 14 15 18 19 20 018m 23 24 25 28 29 3 ??? Question 7(1 point) When a torce does work on an object, how is the work related to the power and the duration of the work? h the power divided by the displacement Work is the ratio of the power to the duration 2 MacBook Air F3 FS F7 41 F10Explanation / Answer
total mechanical energy = k A^2 / 2
0.12 = 80 A^2 / 2
A = sqrt(2 x 0.12 / 80) = 0.055 m = 5.5 cm
A is the maximum extension.
Ans: 5.5 cm
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