engineering recuitment BHEL Engineer Trainee Mock Test 2025 Mechanical Vibrations Undamped Free Vibration
A periodic is represented by x(t) = sin (50t - \(\frac{\pi }{3}\)), where distance is measured in mm, phase angle in radians and time in seconds. Time period of this motion, in seconds is:
1
\(\frac{\pi }{{50}}\)
2
\(\frac{\pi}{25}\)
3
\(\frac{\pi}{15}\)
4
\(\frac{\pi}{10}\)