Physics, 20.07.2021 09:20, tahmidtaj150
28 Why is soft iron used for the core of an electromagnet?
А Soft iron easily becomes a permanent magnet.
B Soft iron is a good electrical conductor.
с Soft iron is a poor thermal conductor.
D Soft iron loses its magnetism when the current in the coil is switched off.
Answers: 2
Physics, 22.06.2019 05:10, delawdermia27
Which diagram correctly demonstrates the various forces acting on a ball moving horizontally with some speed?
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Physics, 22.06.2019 11:10, myamiller558
Rank the automobiles based on the magnitude of the force needed to stop them, from largest to smallest.2000 kg car going 5m/s500 kg car going 20 m/s1000 kg car going20m/s500 kg car going10m/s1000 kg car going10/s4000 kg car going 5m/s 0 0 603
Answers: 3
Physics, 22.06.2019 14:50, MoogleCaliS
Nitrogen (n2) undergoes an internally reversible process from 6 bar, 247°c during which pν1.2 = constant. the initial volume is 0.1 m3 and the work for the process is 121.14 kj. assuming ideal gas behavior, and neglecting kinetic and potential energy effects, determine heat transfer, in kj, and the entropy change, in kj/s. show the process on a t-s diagram.
Answers: 2
Physics, 23.06.2019 07:30, jaystitt1152683
By definition a socially healthy person has access to clean water in adequate living space and makes an effort to recycle
Answers: 2
28 Why is soft iron used for the core of an electromagnet?
А Soft iron easily becomes a permanent m...
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