A support beam within an industrial building is subjected to vibrations along its length, which originate from two machines situated at opposite ends of the beam. The displacement caused by the vibrations can be modelled by the following equations: = 3.75sin (100nt) x₁ = = 5.17sin (150nt) x₂ = i) When both machines are switched on, how many seconds does it take for each machine to produce its maximum displacement? ii) At what time does each vibration first reach a displacement of 2 mm? iii) Derive a formula that shows when x, = x₂ = 0.
A support beam within an industrial building is subjected to vibrations along its length, which originate from two machines situated at opposite ends of the beam. The displacement caused by the vibrations can be modelled by the following equations: = 3.75sin (100nt) x₁ = = 5.17sin (150nt) x₂ = i) When both machines are switched on, how many seconds does it take for each machine to produce its maximum displacement? ii) At what time does each vibration first reach a displacement of 2 mm? iii) Derive a formula that shows when x, = x₂ = 0.
Chapter3: Magnetic Starters
Section: Chapter Questions
Problem 30SQ
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