Above the xy plane (z > 0), there exists a magnetic material with µr1 = 2.0 and a field h~ 1 = 3.0 ˆx + 4.0 ˆz a/m. below the plane (z < 0) is free space. (a) find h~ 2 , assuming the boundary is free of surface current. what angle does h~ 2 make with a normal to the surface? (b) find h~ 2 , assuming the boundary has a surface current k~ = 3.0 ˆx a/m.

weather forecasts are done by collecting data about the current state of the atmosphere mainly the temperature, humidity and wind and using meteorology, to determine the atmosphere that evolves over time. the h and l mean the high and low pressure. the red strip is a warm front. the blue strip is a cold front. the blue and red strip is a stationary front. the purple strip is a occluded front.

explanation:

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