Alightbulb marked “125 w at 127 v” is screwed into a socket at one end of a long extension cord in which each of the two conductors has a resistance of 0.892ω? . the other end of the extension cord is plugged into a 127 v outlet. find the actual power of the bulb in this circuit. answer in units of w
Answers: 2
Physics, 22.06.2019 10:50
Asheet of steel 1.5 mm thick has nitrogen atmospheres on both sides at 1200oc and is permitted to achieve a steady-state diffusion condition. the diffusion coefficient for nitrogen in steel at this temperature is 6 x 10- 11 m2 /s, and the diffusion flux is found to be 1.2 x 10-7 kg/m2 -s. also, it is known that the concentration of nitrogen in the steel at the high-pressure surface is 4 kg/m3 . how far into the sheet from this high-pressure side will the concentration be 2.0 kg/m3 ? assume a linear concentration profile.
Answers: 3
Physics, 22.06.2019 19:00
The friction of the water on a boat produces an acceleration of -10. m/s2. if the boat is traveling at 30. m/s and the motor is shut off, how long it take the boat to slow down to 5.0 m/s?
Answers: 1
Physics, 23.06.2019 00:30
Madison lives near the ocean. she’s formed a hypothesis that increased concentrations of salt in the air speeds the corrosion of certain metals. if madison plans to test this hypothesis, she will have to deal with the following variables in her experiment: dependent variable: independent variable: one possible confounding variable:
Answers: 1
Physics, 23.06.2019 01:30
Which statements did both aristotle and ptolemy assume? check all that apply.
Answers: 1
Alightbulb marked “125 w at 127 v” is screwed into a socket at one end of a long extension cord in w...
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