How do the average thicknesses of each of the terrestrial planet’s internal layers compare to one another? There are some and between the layers of the planets. For example and have the same size core. While, and have very similar . Three planets have nearly the same size while Mercury has a larger one. and are much larger planets than and .

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?