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 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.