E Which argument best explains the charge of an atomic nucleus?
An atomic nucleus is positively charged because it is composed of neutrons.
O An atomic nucleus is positively charged because it is composed of protons.
O An atomic nucleus is negatively charged because it is composed of electrons.
O An atomic nucleus is negatively charged because it is composed of neutrons.
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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?

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