What is the best description of black body radiation? a. they reflect visible light but let infrared light pass through. b. they reflect both visible light and infrared light. c. they reflect infrared light but let visible light pass through. d. they let both infrared light and visible light pass through.

Part 1: a magnetic levitation or maglev train rides rails without touching them. explain how this works using your data. include the appropriate magnet drawing in your answer. part 2: two objects are near a bar magnet. one is about 1 cm away, while the other is 6 cm away. compare and contrast the magnetic force that affects each object. use your data to answer the question