In order to produce beats, should the two sound waves have slightly different amplitudes, slightly different amplitude, the same frequency, and slightly different frequencies?

The answer can be obtained from the math used to calculate the interference. The beat frequency is determined by the difference between the two frequencies generating the beat. The contrast of the interference is determined by the amplitudes of the two waves. You want the amplitudes to be equal to produce the maximum contrast and therefore a maximu

How can one estimate standard deviation?

There are several ways to calculate/estimate.,If you have masses of data that are Normally distributed and symetrical (so Mode, Median, Mean are identical). Take the Range (max-min) and divide it by 6. The outcome will be very close to the true Standard Deviation.,If you have a graph of the data, that resembles the Bell curve (data is Normally Dist

How accurate is horoscope compatibility?

The Kut scoring system is a lunar compatibility analysis that compares for a pair the nakshatras of the natal Moon, the signs it occupies, and their rulers..,Points are determined for twelve different lunar compatibility factors (Kut) pairs with a total value from 0 to 36 points.,A score of 18 or more is considered to be a good score.,The higher th

What were the causes of World War I?

World War 1 began because a Serbian guy shot an important Austrian guy and Austria blamed Serbia so they sent them a big long list of demands(one of which was unreasonable) so Austria-Hungary attacked Serbia who was backed by Russia who was backed by France who disliked Germany after they took Alsace-Lorraine/Elsass-Lothringen in the Franco-Prussia

How much does it cost to see the Statue of Liberty?

To see the Statue of Liberty? Nothing.The Statue of Liberty faces towards the water, so the front side isnu2019t easily visible from anywhere on land other than Governors Island, which is only accessible by a ferry that charges a fare .,However, the back of the statue is easily visible from New Jersey, especially from Liberty State Park, which is f

Which DSLR is best for photography for a beginner?

DSLR is one of the most powerful camera now a days for shooting (photography, videography recording live video etc) is available in many brands. Finding ideal camera is most important thing. The important features tou need to check before buying is camera body quality and lens quality is most important feature to check. Now a day there are dozens o

Why does a camera shutter sound the way it does, even in phones?

In professional cameras u2014 and yes, even digital ones u2014 thereu2019s a mechanical shutter. Thatu2019s responsible for at least part of the u201cclicku201d you hear. Most pro cameras use a u201cfocal planeu201d shutter, which operates very close to the focal plane, the point of focus. It sits right in front of film on a film camera, right in f

What is an example of a genetically modified crop?

all crops have been genetically modified by humans. Two examples: The original apple was smaller than 3 cm, didnu2019t keep for more than a few days, and was bitter. Wheat used to range from 1.5 m to 2.1 m tall, a field matured over 2 weeks, and the plant dropped itu2019s seeds on the ground.

How can you find the mean and median of a set of data using a histogram?

You can't. At least, not exactly. ,A histogram groups data. So, if you want to estimate the mean, you can take the weighted mean of each bin (weighted by its frequency) but this assumes that the data are uniformly distributed within each bin. Or, if you want to assume some other distribution within each bin, you can then simulate that and take the

How do I get my HP printer back online?

Option 1 - Run HP Print and Scan DoctorUse the HP Print and Scan Doctor application to identify and solve errors.,Open the application called HPPSdr.exe by clicking it from the download location and allowing it to run. You may need to be in administrator mode to do this,If you are prompted, choose Yes to trust the file source because it comes direc

Which is better, Nvidia RTX 3090 or Nvidia RTX Titan?

Always go with the benchmarks to decide.,After what Iu2019ve seen online, I feel 3090 is away better than Titan - given its recent release and update compared to Titan. The price is quite high for Titan too.,Hereu2019s a comparison from Versus: Nvidia GeForce RTX 3090 vs Nvidia Titan V: What is the difference?And a quite reliable website (Userbench

What are some of the most offbeat chicken salad recipes that include fruit?

Iu2019ve been making a curry chicken salad that I really like. I mix together mayo, plain yogurt, some curry, lemon juice and some salt & pepper. Toast some sliced almonds in a small amount of butter. Take shredded rotisserie chicken, and add some Raisins and diced dried apricots, some diced celery and green onions, then pour the mayo mixture over

Why does France seem so solid economically, with a 10% unemployment rate, and a lower GDP per capita than Germany? Yet after having visited multiple cities there, people seem just as rich, and have as much purchasing power as Germans.

An emotional French president Francois Hollande closed the borders and declared a state of national emergency. [The Telegraph]Very interesting question, Iu2019ll start off by addressing some of the core u201cissuesu201d with France as a country and with their economy as a whole.,Brief overview of the weaknesses of the French EconomyHigher Corporate

Iu2019m an American citizen. My partner is a Chinese citizen. Our baby will be born in the US. Will the baby also have Chinese citizenship via his father?

The child will be entitled to Chinese citizenship. The children of Chinese citizens are entitled to return to China. However, it isnu2019t automatic. You would have to register the Childu2019s birth and apply for the childu2019s citizenship to be recognised. China does not allow dual citizenship, so applying for Chinese citizenship would require re

What is the best home design consumer software?

My personal preference is for simplicity, so I'm happy with something like Room Decorating, Room Planning & Living Room Planner, but there's reviews & links to 18 of them at 18 Best Online Home Interior Design Software Programs (Free & Paid). Depends a bit, of course, on what you have in mind (do you need a 3d view? should it show lighting effects?

What was the currencymedium of exchange of the Hanseatic League? Im guessing it couldnt have been a single currency operation, but what was the more common one used?

In fact, there was a single currency. All of mediaeval Catholic Europe used the same money, at least in theory. This was the denarius, or silver penny, though it was known by different names in different languages - denier in French, dinero in Spanish, denaro in Italian, penny in English, penning in Dutch, and pfennig in German.,The coin had been i

Will a glass partition between a drawing room and a dining room look good?

The drawing room is the most active space in the house. It is the space where you spend most of your time entertaining guests, enjoying your favourite movies with your family, or spend some quality time on your cosy sofa or couch. With apartments getting cramped up in modern times, having a separate living and dining room can be difficult.,So, the

How do you grow a snake plant?

You only need to plant it.,Maintainence- easy to maintain. It needs to be watered once in 3u20134 days. It grows with/without sunlight.

What are the best editing apps for Instagram?

There are only two ways that I edit on my mobile for Instagram.,If youu2019re looking to adjust basic settings like brightness, saturation, shadows, etc then you may find that you can manipulate enough settings in the native iPhotos editing panel to get your desired look. Navigate there by clicking on u2018Editu2019 when youu2019re on the photo you

What is the best Indian diet for weight loss?

Loosing 17 kg in 6 months all by myself and without going to the gym has taught me that diet is undoubtedly the most important part of your weight loss journey. Here I will explain the diet that worked for me. Its all based on science which u can also follow to reach your target weight. Its not about starving yourself rather just basic science and

How many potato chips are really in a can of Pringles?

Assuming this wasnu2019t a trick question (Iu2019ll give you the benefit of the doubt!), the answer is that there is no set number. The fact that the product labeling doesnu2019t state a piece count and instead states a net weight is an implication that the manufacturing (or packaging) line does not have the capability or desire to pack by piece co

How do I reset an infrared thermometer YHKY 2000?

In a field of corn, you can use it to check the corn temperature and the ground temperature.,In a field of rice, you can check the water temperature also - Infrared thermometers are great for checking water temperatures.,In a baseball field, I suppose you could see how warm the baseball is. Maybe one side favors strikes or something - you might dis

What is the cheapest way to get business class airfares?

The best way is: be flexible.,I fly from Guangzhou in China to Brisbane, Australia 2u20133 times per year.,Direct flights are 16,000 yuan return at their lowest in business class on China Southern Airlines. During peak periods, that goes up to 24,000 yuan, return (around 5000USD).,But, more often than not, I can find a stopover flight for much chea