Physics, 19.10.2019 03:20 zovav1oszg9z
Suppose wire a and wire b are made of different metals, and are subjected to the same electric field in two different circuits. wire b has 4 times the cross-sectional area, 1.7 times as many mobile electrons per cubic centimeter, and 1 times the mobility of wire a. in the steady state, 3e18 electrons enter wire a every second.
how many electrons enter wire b every second?
electrons/second
Answers: 1
Physics, 21.06.2019 22:20, kl8774
Aboxcar traveling at 12 m/s approaches a string of 5 identical boxcars sitting stationary on the track. the moving boxcar collides and links with the stationary cars and they all move off together along the track. what is the final speed of the cars immediately after the collision? (you may take the mass of each boxcar to be 18,537 kg.)
Answers: 1
Physics, 22.06.2019 13:30, brsglover8355
6–43 a food department is kept at 2128c by a refrigerator in an environment at 308c. the total heat gain to the food department is estimated to be 3300 kj/h and the heat rejection in the condenser is 4800 kj/h. determine the power input to the compressor, in kw and the cop of the refrigerator.
Answers: 2
Suppose wire a and wire b are made of different metals, and are subjected to the same electric field...
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