Apressure transducer that behaves as a second order system is supposed to have a damping ratio of 0.7, but some of the damping fluid has leaked out leaving us with an unknown damping ratio. when the transducer is subjected to a harmonic input of 1850 hz the phase angle between the input and the output is 45°. the manufacturer states that the natural frequency of the transducer is 18,500 rad/s. (a) what is the dynamic error in the transducer output for a harmonic pressure signal of 1200 hz? (b) if the transducer indicates a pressure amplitude of 50 psi, what is the true (input) pressure amplitude?

Laboratory experiments, observational field studies, and model-building are all examples of different forms of scientific investigations.  in what way do laboratory experiments primarily differ from other forms of scientific investigations?   a.  a laboratory experiment is the only accepted form of investigation within the scientific community.  b.  studies about how things behave in nature or studies involving very large objects are best answered through laboratory experiments.  c.  laboratory experiments involve the identification and control of variables.  d.  data can only be generated through laboratory experiments, not other forms of investigation.

The graph represents the distance a car travels over time while on the highway. which statement about the car's trip is accurate? a) the car does not move over time. b) the car travels at a constant velocity. c) the car's velocity increases constantly over time. d) the car's velocity decreases constantly over time.

Ways that industry and agriculture use physical properties to separate substances