The following two cubes are both made of iron(Fe). The mass of each cube is shown. Compare the thermal Conductivity and density of each cube

How many moles of air are there in a human lung with a volume of 2.4 l at stp? explain your answer

Plz mark brainliest 30 points 1) find the momentum of a 12 kg snowball that is rolling with a velocity of 9 m/s. 2) an 8 ball with a mass of .5 kg is sitting at rest. it is hit by the cue ball (1 kg) traveling at 2.5 m/s. if the cue ball is at rest after the collision, how fast is the 8 ball traveling after the collision? 3) two football players are running toward each other. if the offensive player is 75 kg and is running 8 m/s, how fast must the 60 kg defensive player run in order for the two players to hit and stop?

Identify the electromagnets with poles that are reversed from the electromagnet shown above