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 Dangerous Drugs List. 1  Heroin-popular street names include smack, skag, and junk. 2  Methamphetamine â meth â This highly addictive drug is responsible for the restructuring of the brain and thus is extremely dangerous. 3  Cocaine-often referred to as snow, flake, coke, and blow. 4  Barbiturates-popular slang names include yellow jackets, reds, ... Its danger comes from its addictive nature and medical dangers to the body. 2  Barbiturates-popular slang names include yellow jackets, reds, blues, Amy's, and rainbows. 3  These drugs are prone to overdose in addition to their addictive nature and potential to overdose and death. 4  Street Methadone.