Category: Physics

Where is the 13th parallel? The 13th parallel south is a circle of latitude that is 13 degrees south of the Earth’s equatorial plane. It crosses the Atlantic Ocean, Africa, the Indian Ocean, Australasia, the Pacific Ocean and South America. Part of the border between Angola and Zambia is defined by the parallel. What parallel […]

What can you use to measure two objects? Measuring an object is about finding the important dimensions and angles of the object. You use a ruler to measure dimensions and a protractor to measure angles. When you have similar objects, the ratios of their dimensions when comparing one object to the other will be the […]

What is a disadvantage of job rotation? One of the most devastating disadvantages of job rotation is that your business could take a hit. Because employees are learning new skills, there could be some errors. Customers could become frustrated by confused employees who make mistakes. If operations don’t run smoothly, your bottom line could suffer. […]

What is a positive slope on a graph? A positive slope means that two variables are positively related—that is, when x increases, so does y, and when x decreases, y decreases also. Graphically, a positive slope means that as a line on the line graph moves from left to right, the line rises. What is […]

When a company sells a buyer certain only on the condition that the buyer also purchases other goods from the firm? A buyer’s monopoly, or monopsony, is a market situation where there is only one buyer of a good, service, or factor of production, and the sellers have no alternative to selling to the buyer. […]

Can I use expired cake flour? We recommend using the “Best By” date as a guide and using the flour no more than a week or two after that date. If flour is stored like this, it can last past the expiration date. Here’s a tip: Double-wrap the flour to ensure quality. That way, your […]

Why did Laura Leighton leave Melrose Place? Laura Leighton’s Sydney Andrews was one of the biggest love-to-hate-her characters on the series. However, she left the series after season five, when her character was run over by a car. Everyone assumed she was dead, but in 2009, Sydney came back for the “Melrose Place” reboot. What […]

Can you put fish in a worm farm? The fish should either be buried a few centimeter below the surface of the worm bedding or can as well just be placed on top of it. Within a few days the worms will start consuming the parts of the fish that start to decompose and will […]

Can you leave convector heater on overnight? A modern space heater can be very safe to keep on for long unsupervised periods of time, including while sleeping. Be sure your heater is certified by one of the three major testing organizations and has features like automatic shutoff, tip over protection, a shut off timer, and […]

What was the most common torture device? The Rack How did the iron chair work? The large hole at the bottom of the seat was made to put coal and fire under to burn the victims lower body parts and slowly roast them alive. This torture technique did not necessarily cause death itself, it was […]