If it takes three "breaths" to blow up a balloon to 1.2 LL, and each breath supplies the balloon with 0.060 moles of exhaled air, how many moles of air are in a 3.0 LL balloon?

What is impossible to do with a hypothesis

In which of these cases are the two wave points considered to be in phase with each other?

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?