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.
Two-thirds of Driving While Intoxicated (DWI) offenders on probation reported using drugs in the past. Among DWI probationers, marijuana (65%) and stimulants (29%) were the most commonly used drugs. Seventeen percent of those on probation reported drug use in the month prior to arrest.bout equal percentages of parents in state prison reported the use of opiates (6%) and stimulates (5%) at the time of their offense, while 2% used depressants or hallucinogens. Thirty-two percent of mothers in state prison reported committing their crime to get drugs or money for drugs, compared to 19% of fathers.