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Discreet data.

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โˆ™ 2012-04-10 15:52:44
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Q: What type of data is an example of The number of dimples on a golf ball?
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What half sphere?

It's like a Golf ball cut in half but without the dimples.

How many dimpls are on a golf ball?

Most balls on sale today have about 300 to 450 dimples.There were a few balls having over 500 dimples before. The record holder was a ball with 1,070 dimples -- 414 larger ones (in four different sizes) and 656 pinhead-sized ones. All brands of balls, except one, have even-numbered dimples. The only odd-numbered ball on market is a ball with 333 dimples.Officially sanctioned balls are designed to be as symmetrical as possible. A ball can have six rows of normal dimples on its equator, and very shallow dimples elsewhere. This asymmetrical design helps the ball self-adjust its spin-axis during the flight. The USGA did not sanction it and changed the rules to ban aerodynamic asymmetrical balls. The ball supplier sued the USGA and the USGA paid U.S. $1.375 million in an out of court settlement.The number of dimples on a Golf ball varies, depending on the manufacturer and may even be different for different models made by the same manufacturer. The dimples are usually the same size as one another, but some golf balls have several different sizes of dimple on the same ball. Any number between 300 and 500 dimples is reasonable, and 336 is a common number. Not just any number will do. Golf balls are usually covered with dimples in a spherically symmetrical way, and for many values of N, it is impossible to cover the golf ball uniformly without gaps. Symmetry is important or the ball will wobble or its flight will depend on which part of the ball is forwards or sideways as the ball spins. You can get an idea of how to space dimples uniformly around a sphere by thinking about the "platonic solids" -- the tetrahedron, cube, octahedron, dodecahedron and icosahedron, and placing a dimple at the corners of an inscribed platonic solid. Variations on this theme give the corners of Buckminster Fuller's geodesic domes, and also the possible symmetrical locations of dimples on a golf ball.Why does a golf ball have dimples on its surface?When a golf ball is flying through the air, it has three forces on it. Two of them are gravity and drag from the air. In addition, if the golf ball is spinning, there will be a Magnus force on it (which may point up or down or either side, depending on how it is spinning -- the Magnus force cannot point along the flight path of the ball however -- see our answer on the Magnus force for more information).The main goal of making a golf ball go farther however is to reduce the force of drag as it flies through the air. In general, turbulence increases drag, because the energy needed to stir the air up and make it swirl around is energy that the ball has lost. One might think that a rough ball will induce more turbulence in the air than a smooth one, but it depends on how fast the ball is going. For balls going slowly through a viscous fluid, then the fluid just moves a bit to the side as the ball passes, and then it returns more or less to where it was. If the fluid motion is smooth, we call the motion "laminar", otherwise it is "turbulent." A ball moving quickly through a fluid like the air will have air flowing in a laminar fashion in some places and in a turbulent fashion in others. Directly behind the ball there will be a turbulent "wake", and surrounding that will be smoothly flowing air. The whole idea behind reducing the drag is to make the turbulent wake small.The air that slides past the ball very close to it is called the "boundary layer". At the place where the turbulent wake starts is called "separation of the boundary layer" where the smoothly flowing air departs from the ball and does not close up behind the ball nicely but rather swirls around in small vortices. If the boundary layer can be encouraged to stick to the ball a little longer, then the turbulent part of the wake can be reduced. It turns out that adding a little extra turbulence in the boundary layer itself all over the ball allows the main smoothly-flowing air currents to stay closer to the ball and delays the separation of the boundary layer. Some nice pictures of balls in wind tunnel showing this effect can be found here.There is also an increase in the Magnus force, giving the ball some lift when it is spinning in the correct direction. This force helps keep the ball in the air longer, allowing it to travel farther.People have thought of putting dimples on everything from swimsuits to cars to airplanes. You only get an advantage from these dimples if the boundary layer can be made to stick longer to the object. Some cars just have vertical flat ends to them where the trunk comes down and there is no way to reduce the turbulent wake of these no matter how dimpled the paint is. And the boundary layer stays with airplane wings except maybe a bit at the ends (some gain can be made by putting small rods out on the tips or on the trailing edges of the wings).

Show example of quantitative data?

An example of quantitative data would be the number of people born in 1 hour.

What Is An Example Of Quantitve Data?

number of shoes

The number of siblings you have is an example of numerical data?


What is the difference between data and results?

The Data is the Work, for example if you did a science fair project, and the data was the red ball went the farthest that would be the data and the results is explaning which ball went the farthest. (If you are doing a project then probably put Data and results on the same paper

What is qualitive and quantitive data?

Qualitative data is data without a number, for example "The Earth is big", quantitative data is data that has numbers, for example "The Earth has an average diameter of 12,742,000m." Quantitative data is preferred in science because we can do a lot more analysis with it.

What is an example of synthesizing?

Using data from a number of sources to come to a conclusion

How old is your 44 cal Winchester rifle number 67123? has Winchester sn data that will get you in the ball park.

How do you find the modal number?

The mode of a data set is the one item (or number) that appears the most. For example a data set of 1, 3, 3, 5 would have a mode of 3.

No alphabetic characters in a social security number field is an example of?

is called data integrity

How do scientists record their data from their experiment?

They record data from their experiment from doing the experiment and record data while they are doing it......................example i am bouncing a ball on a carboard,tile,table and the carpet the cardboard is 8 the tile is 18 the table is 16 and the carpet is 19.

Is phone number a qualitative data or quantitative data?

The two basic divisions of data are qualitative or categorical data and quantitative or numeric data. Just because you have a number, doesn't necessarily make it quantitative. For example, zip codes, phone numbers and bank-accounts are numeric, but it doesn't make much sense to find the average phone number or median zip-code. These are examples of numbers applied to categorical data.

How do you find an average in science?

Add up the data, and then divide by the number of data added up. For example, if my data was {56,84,59,66,22}, i would add them up to find 287, then divide by 5, the number of numbers, to find 57.4 as the average.

What is a range of data?

When you are presented with a set of data and you need to find the range, you must subtract the lowest number in your data set from the highest number in the data set provided. For example, you are presented with this data set and you must find the range of the data. 34, 82, 43, 13, 14 You have to subtract the lowest number (13) from the highest number (82) so the range of this data set is 69. If you want to find the range you look at your data. Then you find the maximum number and the minimum and you subtract the two. Then you have your range.

Where can one buy a data recorder?

One can buy a data recorder from a number of online and in-store options. For example, one can buy a data recorder from Amazon and eBay among other places.

What are the data types in Microsoft Excel?

There are lots of data types in Excel. For example: Number, Text, Date, Time, Logical. You can take Number in a broad sense or you can think of numbers in terms different data types like Percentage, Scientific Notation, Currency and others.

Data for a ball to roll farther on grass or dirt?

The data is

What is an example for qualitive data?

An example of qualitative data is; This is a very big (insert object here) or, for quantitave data, This (insert object here) is as long as (insert exact length here) or, This (insert object) weighs (insert exact number of pounds, ounces, etc.) I hope that helps!

Is a mode a value not always a number in the data set it represents?

The mode, I think is not always a number in the data set it represents, for example I have a set of numbers, 1,7,2,4,6. You'll put them in order; 1,2,4,6,7. And there is no number that is the mode. So, I believe that is correct.

Adventage of computer?

There are a great number of advantages of a computer. These computers help to organize and record data for example.

What the example alphanumeric?

Alphanumeric means alphabetic or number characters are valid entries. For example, if a data element is defined as a 12-character alphanumeric, it could contain any 12 letter or number characters: abzy1298pqrs.

How do you find the mean of the data?

Th find the mean of a data set, you add up all the values in the data set and divide this sum by the number of data values. For example, the mean for the data set 2, 5, 6, and 7 is given as 2 plus 5 plus 6 plus 7, which is 20. You divide this sum by number of values in the data set, which is 4 to get 5 as the mean.

Example of electronic data processing?

The example of electronic data processing is the use of the computer in processing data.

What are the advantage and disadvantage of primary storage device?

the advantage of primary storage device is 1. a store data temporary when a computer is on example ROM and RAM 2.Is used to store data while a computer is turn on or in use 3.It help to determine the number of characters entered on a computer when a processed data