A brick pulled through the ground with a constant velocity by a horizontally applied force of 200N. What is the kinetic friction of the brick? *

Pls I’m doing my exam and 10 minutes left I need the answer

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

Carbon-14 is a radioactive element that undergoes beta decay. which force is responsible for allowing carbon-14 to become stable? electromagnetic gravitational weak nuclear strong nuclear

Which of the following are appropriate acceleration units?