Aroller coaster starts down a hill at 10 m/s. three seconds later, its speed is 32 m/s. what is the roller coaster’s acceleration?

-7.3 m/s2

7.3 m/s

-7.3 m/s

7.3 m/s 2

What is the most stable monatomic ion formed from nitrogen

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?

Chen drew a diagram to compare the ways in which different organisms obtain nitrogen. which label belongs to the area marked z?