The density of the blade is constant throughout its length, and so a 10%-mass. fragment will have a cross-sectional area of 10% of the full blade. In practice, the. area of a 10%-mass fragment will vary depending upon its shape, and upon whether. it consists of the only the outer shell or the internal beams as well.
Alcohol is the most commonly used and abused drug among youth in the United States.1. 1  Excessive drinking is responsible for more than 4,300 deaths among underage youth each year, and cost the U.S. $24 billion in economic costs in 2010.2,3.
The most common drugs used by the college student population are: Alcohol: Drinking is popular on almost all college campuses because itâs easy to get, and older students can purchase it legally and distribute it to younger students. Students drink to reduce social anxiety, to reduce stress and to fit in at college.