Physics, 26.02.2020 16:40 nicollexo21
When thinking about an electric circuit, you usually focus not on the motion of individual charges, but rather on the continuous current (charge per unit time) flowing through the circuit. Thus, rather than considering the work done on a particular charge, it is useful to compute the work done per unit time on the charge flowing through the circuit, or in other words, the power. Find the electrical power PPP delivered to the resistor via the work done on the individual charges passing through it. (Again, this power ultimately appears in the form of heat). Express PPP in terms of quantities given in the problem introduction.
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The human body stores chemical energy from digested food. some of the chemical energy is converted into mechanical energy when the body moves. which statement best supported by this information
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The pressure proportional to the area a- inversely b- directly c- increase d-decrease
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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.
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Two 2.0-cm-diameter disks face each other, 1.0 mm apart. they are charged to ±10 nc. what is the electric field strength between the disks? a proton is shot from the negative disk toward the positive disk. what launch speed must the proton have to just barely reach the positive disk?
Answers: 1
When thinking about an electric circuit, you usually focus not on the motion of individual charges,...
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