Physics, 02.12.2020 06:00 kathiewallentin1767
In an electric motor, how do the electromagnet and the permanent magnets interact? A. The electric field of the permanent magnets causes the metal loop in the electromagnet to turn. B. The electromagnet causes the permanent magnets to repel each other. C. The permanent magnets reverse the current in the metal loop of the electromagnet. D. The electromagnet causes the permanent magnets to attract each other.
Answers: 2
Physics, 21.06.2019 14:00, icantspeakengles
Acar tire contains 0.0380 m^3 3 of air at a pressure of 2.20 ×10^{5} 5 n/m^2 2 (about 32 psi). how much more internal energy does this gas have than the same volume has at normal atmospheric pressure, 1.01x10^5 5 pa?
Answers: 2
Physics, 22.06.2019 13:30, Bra1nPowers
6–48 bananas are to be cooled from 24 to 138c at a rate of 215 kg/h by a refrigeration system. the power input to the refrigerator is 1.4 kw. determine the rate of cooling, in kj/ min, and the cop of the refrigerator. the specific heat of banana above freezing is 3.35 kj/kg·8c.
Answers: 3
In an electric motor, how do the electromagnet and the permanent magnets interact? A. The electric f...
Mathematics, 20.07.2020 01:01
Mathematics, 20.07.2020 01:01