My project is already finished. My answer in 4 is because the brain is just nearly the size of our head. Then, it displaced all the liquid in our head. When the fluid is 14.5 N, the buoyant force will be also 14.5 N. Since the original weight of the brain is 15 N, the new weight will be .5 N...
Yes it means that there must be 14.5 N of fluid...
Both of us already knew that the answer is no but what is the reason.In question # 3. Why it is harder for the heart to pump in vertical than horizontal? Also, can you elaborate your answer in the 3b?
Area can't be zero because if you divide 200 by 0 is undefined.
14. 5 N is not typo. It's the given question. The biggest problem here is how to prove it.
Pls. answer as many as you can in the following questions. I'm not sure in all of my answers. I just answer them using my best.Homework Statement
1. Why are persons confined to bed less likely to develop bedsores on their bodies if they use water bed than ordinary mattress?
2. Which do you...