Cathode rays were shown to be a stream of protons electrons neutrons quarks

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?

If 2 molecules of one reactant combine with 3 molecules of another to produce 5 molecules of a product, then what is the representation of the reaction?

Which statement best identifies the process shown? the process must be fusion because energy is released. a.the process must be fusion because a heavier nucleus forms from smaller nuclei. b.the process must be fission because a large nucleus breaks into smaller nuclei. c.the process must be fission because neutrons are formed.