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A high-voltage transmission line with a resistance per unit length of 0.320 ?/km carries a current of 960. A. The potential at the start of the line is 750. kV for a distance of 158 km.
(a) Calculate the power loss due to resistance in the line. (Please enter 3 significant figures.)
(b) Calculate the potential (voltage) at the end of the transmission line. (Please enter 3 significant figures.)
a mass of 0.30 kg is attached to a spring and is set into vibration with a period of 0.24s. what is the spring
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a 2.5-kg mass is connected to a spring with spring constant k = 150 N/m and unstretched length 19 cm. the pair are mounted on a frictionless air table, with the free end of the spring attached to a frictionless pivot. the mass is set into circular..
A Tube, of length 30 cm, is closed at one end, and produces a sound at the fundamental frequency of 270 Hz. Calculate the length of the second tube
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