Category: Physics

What is a price demand function? Price-Demand (p): is usually given as some P(x) = –ax + b. However, sometimes you have to create P(x) from price information. • P(x) can be calculated using point slope equation given: Price is $14 for 200 units sold. Which is the demand function? Demand function shows the functional […]

How fast should I run a 100m? An average man can jog at 8.3mph, so he could run 100m in 27 seconds. A woman can jog at 6.5mph and run 100m in 34 seconds. A non-elite athlete can run 100m in 13-14 seconds or at 15.9mph. What is a good 100m time for a 13-year-old? […]

What can you learn from only one seismogram? 4. One seismogram tells you how far away the epicenter was and how strong the earthquake was. What is a safe distance from a fault line? Phivolcs now recommends avoiding construction within 5 meters on each side of a fault trace, or a total width of 10 […]

What is wrong with the steady state theory? In the Steady State the Universe was always the same so it never produced a blackbody. Hence the existence of a blackbody background ruled out the Steady State. In addition, the temperature of the cosmic background can be measured in some very distant clouds that produce absorption […]

What parts of the foot should you use while kicking the ball? Kick the ball with the correct part of your foot For instance, kick the ball with the inside of your foot to kick a pass on the ground and your laces to drive the ball while shooting. Work on kicking the right part […]

How thick should you lay River Rock? The suggested depth of coverage varies according to the size of the individual stones. If the stone size is 1/2-inch or less, the suggested depth is 2-inches. Stones that are 3/4-inch to 1-inch should have a depth of about 3-inches. Stones that are 1-inch or larger should have […]

What are the types of scrutiny? Our infographic outlines the three most common points on the spectrum (Rational-Basis, Intermediate Scrutiny, and Strict Scrutiny). The Supreme Court has found the following situations to correspond to these levels of scrutiny. What falls under strict scrutiny? To pass strict scrutiny, the legislature must have passed the law to […]

Why can you see the ghost crystals out of the water? When the swollen ghost crystal is removed from the water, it instantly becomes visible again because the index of refraction of air is much different from that of the crystal or water. What is a ghost Crystal? Ghost Crystal is a variety of quartz […]

How many horses are in 1 horsepower? 14.9 horses Why is it called a horsepower? When the steam engine began to do the work of horses in the mines during the early 1800s, the mine owners began to ask how many horses an engine would replace. James Watt, who invented steam engines, figured out a […]

What would be the weather under cold front? A cold front forms when a cold air mass pushes into a warmer air mass. Cold fronts can produce dramatic changes in the weather. As the cold front passes, winds become gusty. There is a sudden drop in temperature, and also heavy rain, sometimes with hail, thunder, […]