3. For the following questions, you may use any resources you wish to answer them. You must write your solutions by hand, cite all your references, and show all your calculations. [a] Read Section 22.1 (Magnets) in the OpenStax College Physics textbook. Write down and explain briefly at least two concepts that you found interesting that supplements, yet does not duplicate, the information given in the lecture video. Your answer should total 30-50 words. [b] Watch the Crash Course Physics #32 video at youtube.com/watch?v=s94suB5uLWw (Magnetism). Do the same for the video as for the reading in [a] above. [c] Watch the Crash Course Physics #35 video at youtube.com/watch?v=9kgzAOVd8S8 (How Power Gets to Your Home). Do the same for the video as for the reading in [a] above. [d] In the past year, worldwide electrical power generation was just about 1020 joules. At that rate, how many joules of electrical energy were used in W minutes worldwide