Two cars heading in opposite directions collide head on. The 2000 kg red car is traveling at 8 m/s, while the 4000 kg yellow car is traveling at 1 m/s. After collision, what would be their speed in m/s? *

It really doesn't matter for any of the questions that you've listed.

Answerthe global climate during the paleogene departed from the hot and humid conditions of the late mesozoic era and began a cooling and drying trend which dispite having been periodically disrupted by warm periods such as the paleocene-eocene thermal maximum, persists today;

Ithink c because you have to work to become goid