A 200 kg car is traveling at 15 m/s around a turn with radius 10 m. For what turn radius would the centripetal force required be exactly half as high?

Please help

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

The mini-refrigerator fire was most likely caused by what type of wiring?

Diamond will scratch quartz. true or false