Food slows down the absorption of alchohol??
1. The presence of food in the stomach, particularly fats, greatly slows down the absorption of alchohol and drugs into the body. This what I've read in a report on the internet, but I don't know the reason why the rate of absorption slows down. Can...
Suppose that you were studying the body functioning of particular animal, and found that the animal secreted a fluid into its alimentary tract.Given some of this fluid 1)How would you decide whether or nnot it was a digestive juice? 2) if you decide it was, how would you work out what compounds...
Thanks for Dick's explanation! :smile:But I still have some questions.What do you mean by both velocities zero? Does it mean the initial momentum of this system is zero? But how do you know or you just assume it? Is that normal which the Earth acts on the girl is an external force??(I think it's...
Help!Momentum problems?
1. A girl jumps from a tree onto the ground. As she falls she speeds up.Explain in details how the law of conservation of momentum applies in this case? Can I consider the girl and the earth(the ground) as a system?? Why or why not??
2. mass1*initial...