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11/6/2020 9:40 AM lecture19
11/6/2020 8:55 AM lecture_19a_electromagnetic_waves
11/6/2020 8:56 AM lecture_19a_electromagnetic_waves
11/6/2020 9:39 AM lecture_19b_energy_and_examples
11/6/2020 9:35 AM lecture_19b_energy_and_examples