Define the tDetermine the impedance and the phase angle in Figure 76 for the following frequencies: Vs = 18V C = 0.22µF R = 750Ω

A) 1.5 kHz Z=
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θ =
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B) 3.0 kHz Z=
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θ =
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C) 5.0 kHz Z=
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θ =
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D) 10 kHz Z =
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θ =
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Water at the rate of 1 kg/s is forced through a tube with a 2.5 cm inner diameter. the inlet water temperature is 15°c, and the outlet water temperature is 50°c. the tube wall temperature is 14°c higher than the local water temperature all along the length of the tube. what is the length of the tube?