Are propeller planes obsolete? The Super Tucanos are not high-tech jets, but small propeller planes – a combat aircraft type that had its heyday during the Second World War, and has since been considered obsolete. But propeller planes are currently undergoing a renaissance. Does the US military still use propeller planes? The military cargo aircraft […]
What forces are involved in ice skating?
What forces are involved in ice skating? The main forces involved in ice skating are friction and momentum. When used effectively these forces allow the ice skater to reach high speeds on the ice, and allow figure skaters to do complicated moves and jumps. How much G force do a figure skaters experience? What can […]
How were people affected by Hurricane Irene?
How were people affected by Hurricane Irene? Impact of Hurricane Irene in New York and New Jersey In New Jersey, the storm resulted in seven deaths and about $1 billion in damage. Approximately 6,000 residents were displaced by the storm and over 30,000 people filed for assistance claims through FEMA. Nearly $38 million in claims […]
What are diamonds attracted to?
What are diamonds attracted to? The magnetic attraction we often see in colorless and colored synthetic Diamonds manufactured under high pressure and high temperature (HPHT) is due to ferromagnetic inclusions of iron and nickel flux that are present as remnants of the manufacturing process. What is the magnetism of diamond? It is found out that […]
Do you need to do an internship in college?
Do you need to do an internship in college? If you’re looking for a yes or no answer, the response is, “Yes, you need an internship to get a job after college.” While that hasn’t always been the case, employers today are expecting college students to graduate with work experience already under their belt – […]
Which medicine is prepared from milk?
Which medicine is prepared from milk? Summary: Gene therapy has been used successfully to breed large animals capable of producing therapeutic proteins in their milk, such as insulin or those that fight cancer. This represents a significant milestone, as previous methods involved cloning, which takes more time and generally costs more. What are the benefits […]
How many minarets does Hagia Sophia have?
How many minarets does Hagia Sophia have? Four minarets What is unusual about Hagia Sophia? The Hagia Sophia was built in the remarkably short time of about six years, being completed in 537 ce. Unusual for the period in which it was built, the names of the building’s architects—Anthemius of Tralles and Isidorus of Miletus—are […]
What is a Class B fuel?
What is a Class B fuel? Class B – Flammable liquids: gasoline, oil, grease, acetone. Any non-metal in a liquid state, on fire. What type of fuel is found in a Class B fire? Class B fires involve flammable and combustible liquids such as gasoline, alcohol, oil-based paints, lacquers. What are the 5 classes of […]
Is a wagon a compound machine?
Is a wagon a compound machine? A child’s red wagon offers an excellent example of a wheel-and-axle simple machine. Simple machines are mechanical devices that apply a force and include a lever, inclined plane, wheel and axle, screw, wedge and pulley. What type of simple machine is a cart? A hand cart is a lever […]