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.
Marijuana use ranks second behind alcohol in regards to the most commonly abused drugs by teenagers. There has been an increase in marijuana use among teenagers due to the increasing societal attitudes towards tolerance and perceptions that marijuana is not a dangerous drug.
The most common drugs used by the college student population are: 1  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.