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.
Peer Pressure. It is one of the most common reasons a young teen will get started on drugs. When in high school, everyone is just trying to fit in. If you don't wear jeans and a flannel, you're considered an outsider and not cool. The desire to fit in can go as far as taking drugs or alcohol. On February 28, 14 teenagers ages 11 to 14 in Woburn, Massachusetts overdosed on a muscle relaxant.