Category: Cover Letter

Does a 737 have windshield wipers? Why do some airliners have windshield wipers and others do not? The current Boeing 737 windshield, in use since 1954, has six perfectly flat panes of glass. Do small planes have windshield wipers? These days, nearly all windshield wipers found on airplanes work through the planes’ electrical system, although […]

How is chemistry used in law enforcement? The Chemistry Unit conducts timely, high-quality chemical and metallurgical analyses on evidence, reports findings, provides testimony in court, assists in crime scene investigations, and provides advanced training to law enforcement agencies to support the investigative priorities of the FBI and the law enforcement … How does forensic science […]

What kind of gas does a uhaul use? unleaded gasoline How much gasoline does it take to move a passenger vehicle? Joules in a gallon of gasoline, vs energy used to do the work to move that mass over that distance. Gasoline has 34.2 MJ per liter, but then your car is probably only ~20% […]

How does the Dow Jones affect the economy? 2 Since the stock market is a vote of confidence, a crash can devastate economic growth. Lower stock prices mean less wealth for businesses, pension funds, and individual investors. Companies can’t get as much funding for operations and expansion. When retirement fund values fall, it reduces consumer […]

How much do you make teaching English online? Generally speaking, online English teachers typically make anywhere between $10 – $40 USD per hour depending on their level of qualification. If you’re a first-time English teacher with a TEFL certification, you will likely be making $10-$20 per hour to start. How can I start teaching English […]

What RPM should I shift my Harley? While most bikes are happy shifting at 5,000 to 7,000 RPMs, it is best to judge by the sound and feel of the engine. As you move faster, its pitch will increase. When the pitch is high, it is time to shift. If you shift too soon, you […]

How much did at Rex leg weigh? By studying many living animals, scientists have found that the wider an animal’s femur, the more weight that the bone tends to hold up. Scotty’s femur was a whopping eight inches across—which means that Scotty’s two legs could hold up more than 19,500 pounds, give or take a […]

What does Johnny Depp take in From Hell? absinthe How true is From Hell movie? From Hell is based on a graphic novel of the same title, by Alan Moore and Eddie Campbell. That, in turn, is based largely on the royal conspiracy theory detailed in Stephen Knight’s, Jack the Ripper: The Final Solution. Its […]

What virus did Hershey and Chase use? In 1952, Alfred Hershey and Martha Chase published a convincing demonstration that DNA (not protein) was the genetic material. The Hershey–Chase experiment was carried out with a virus, called bacteriophage T2, that infects bacteria. Bacteriophage T2 consists of little more than a DNA core packed inside a protein […]

How fast can cows walk? 2 miles per hour Can a cow outrun a human? Cows can run at speeds of up to 25 miles per hour (approximately 40 kilometers per hour) for short periods. Since 15 mph is considered fast for the average person, it is unlikely that most people would be able to […]