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8:54
Coercivity & retentivity (Permanent & electromagnets) | Magnetism & matter | Physics | Khan Academy
8:41
Campaign finance | Political participation | US government and civics | Khan Academy
7:20
Stress management | Processing the Environment | MCAT | Khan Academy
5:23
Khan Academy and Code.org | Hardware and Software
11:28
What are inductors? (self-inductance) | Electromagnetic induction | Khan Academy
7:34
Khan Academy Vision
3:24
Soaps and detergents | Carbon and its compounds | Class 10 Chemistry | Khan Academy
8:48
Why do sounds get softer? | Mechanical waves and sound | Physics | Khan Academy
