Which of the following best defines a nation's labor force? the total number of persons who are willing and able to work but cannot find a job the total number of persons between the ages of 16 and 65 the total number of employed and unemployed persons the total number of persons working full time and part time

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

An object's buoyant force and weight mean the same thing.a. trueb. false

Abumper car with a mass of 250 kg is traveling at a speed of 4 m/s. this bumper car collides and sticks to a second bumper car with a mass of 250 kg, which is initially at rest. what is the final speed of these two bumper cars after the collision, assuming they remain stuck together?