ECE 2416 STRUCTURAL DYNAMICS FINAL EXAMINATION 2021

JOMO KENYATTA UNIVERSITY OF AGRICULTURE AND TECHNOLOGY UNIVERSITY EXAMINATIONS 2020/2021 FOURTH YEAR SECOND SEMESTER EXAMINATION FOR THE DEGREE OF BACHELOR OF SCIENCE IN CIVIL ENGINEERING ECE 2416 – THEORY OF STRUCTURES VI (STRUCTURAL DYNAMICS) DATE: 10 FEBRUARY 2021 TIME: 2 HRS Instructions to candidates Attempt any THREE questions Scientific non-programmable calculator is allowed during this examination. Use of mobile phones is prohibited. As such all phones MUST BE SWITCHED OFF! QUESTION ONE (20 MARKS) a) An undamped SDoF dynamic system having a mass of 20 kg and a spring stiffness of 35 N/mm is given an initial displacement of 10 mm and initial velocity of 100 mm/s. Obtain ...