Engineering, 26.03.2021 23:20 desereemariahha
Un material de constante dieléctrica K llena la mitad de un capacitor de placas paralelas cuadradas cuyos bordes tienen de longitud L y se encuentran separadas una distancia d, donde d << L. La diferencia de potencial entre las placas es ∆V. Ahora la placa dieléctrica se retira del capacitor, como se observa en la figura a) Determine la capacitancia cuando el borde izquierdo del material dieléctrico esté a una distancia x del centro del capacitor. b) Si se va retirando el
Answers: 2
Engineering, 04.07.2019 18:10
Abrake has a normal braking torque of 2.8 kip in and heat-dissipating cast-iron surfaces whose mass is 40 lbm. suppose a load is brought to rest in 8.0 s from an initial angular speed of 1600 rev/min using the normal braking torque; estimate the temperature rise of the heat dissipating surfaces.
Answers: 3
Engineering, 04.07.2019 18:10
Water at 70°f and streams enter the mixing chamber at the same mass flow rate, determine the temperature and the quality of the exiting stream. 0 psia is heated in a chamber by mixing it with saturated water vapor at 20 psia. if both streams enters the mixing chamber at the same mass flow rate, determine the temperature and the quality of the existing system.
Answers: 2
Engineering, 04.07.2019 18:10
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?
Answers: 3
Engineering, 04.07.2019 18:10
Compute the pressure drop of 30°c air flowing with a mean velocity of 8 m/s in a circular sheet-metal duct 300 mm in diameter and 15 m long. use a friction factor, f 0.02, and pair = 1.1644 kg/m a. 37.26 pa b. 25.27 pa n c. 29.34 pa d. 30.52 pa
Answers: 1
Un material de constante dieléctrica K llena la mitad de un capacitor de placas paralelas cuadradas...
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