Define critical speed and whirling speed. An instrument vibrates with a frequency of 1.55 Hz when...
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Define critical speed and whirling speed. An instrument vibrates with a frequency of 1.55 Hz when there is no damping and 1.2 Hz when damping. Find 1. the damping factor, and 2. logarithmic decrement. Define critical speed and whirling speed. An instrument vibrates with a frequency of 1.55 Hz when there is no damping and 1.2 Hz when damping. Find 1. the damping factor, and 2. logarithmic decrement.
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