A water tunnel is used to study the characteristics of a new unmanned submarine. The idea would be to study a 1:5 scale model with fresh water 20C, whereas the submarine would be used in seawater at 15C. The submarine is to be used at a velocity of 30 m/s. What would the velocity of the water tunnel be using the model? (15 points) Neglect compressibility effects.

colorectal cancer may also develop from areas of abnormal cells in the lining of the colon or rectum. this area of abnormal cells is called dysplasia and is more commonly seen in people with certain inflammatory diseases of the bowel such as crohn's disease or ulcerative colitis.

the answer is b, have negligible mass

c because the news are a source of information of things that happen on the daily and shows evidence about that particular topic