It's really complicated. total stopping distance is the sum of the perception-reaction distance and the braking distance. D_{total}=D_{p-r}+D_{braking}=v t_{p-r}+ \frac{v^2}{2 \mu g}. A common baseline value of t_{p-r}=1.5 s, \mu=0.7 is used in stopping distance charts.
Hematology is the study of blood in health and disease. It includes problems with the red blood cells, white blood cells, platelets, blood vessels, bone marrow, lymph nodes, spleen, and the proteins involved in bleeding and clotting (hemostasis and thrombosis).hen something is wrong with your blood, it can affect your total health. That is why it is important for you to know about some of the common blood disorders that may affect you.
Hematology is a branch of medicine concerning the study of blood, the blood-forming organs, and blood diseases.The word heme comes from the Greek for blood.ome of the diseases treated by haematologists include: 1  Iron deficiency anaemia and other types of anemia such as sickle cell anemia or trauma-related anemia. 2  Polycythemia or excess production of red blood cells.