4.33 seconds

The foot is a unit of linear length measure equal to 12 inches or 1/3 of a yard. Because the international yard is legally defined to be equal to exactly 0.9144 meters, one foot is equal to 0.3048 meters.

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A big step is about one yard.

seventeen steps

17 miles per hour

16 mph

So if you run a 100 meter dash in 12 seconds then (100/12)*2.237 = about 18.64 miles per hour.

11.6 seconds

A non-elite athlete can run 100m in 13-14 seconds or at 15.9mph.

Age 13: 16–17 seconds.

Of course it is at that speed your ground contact times are fast, and you have a decent amount power output and more. So relative to the average speed of people 11 seconds beats the average easily.

Originally Answered: What is the average 100m time for 16 years old boy ? For most boys in their middle teen years the average 100m time will usually often be somewhere between a high of 14.4seconds with a low of 12.3seconds.

What is a good time for the 100m sprint?

Under 11 seconds for men and under 12 seconds for women could be considered ‘great’. Sub-10.50 and sub-11.50 would be outstanding, and sub-10/sub-11 is world class. The Elite 100m sprinters run at a range from 10.1 secs. to 9.7 secs with the world record being at 9.58 for the mens.

The fastest among us can sprint 100m at a speed of 15.9 mph, or between 13-14 seconds. The Olympic qualifying time for London 2012 was 10.18 seconds in the men’s race and 11.29 seconds for women.

100m: 13-14s. 200m: 29-31s. 400m: 64-68s.

Good high school male male sprinters can run the 100 meter in under the low 11 or high 10 second range The average high school athlete kid (football player or basketball player) can probably run it in around 12–13 seconds. A high school boy who does no sports would likely be around 14–15 seconds.

“The fastest among us can sprint 100m at a speed of 15.9 mph, or between 13-14 seconds.

15 seconds per 100m is the right pace for 3:45 for 1500m or 4:01 for a mile. so if you are 26-years-old you will probably not break 2:00 for 800m in this lifetime, but if you are 16-years-old you show a lot of potential.

But 17 seconds is a bad time to record 100m for a guy whose weight is normal according to his height and age. for a normal guy clocking 12 to 14 second is good unless he is not a professional runner. That depends on if he is in training or just ran it for fun.

3 feet

Since the International Yard and Pound Agreement of 1959, one foot is defined as 0.3048 meters exactly. In customary and imperial units, one foot comprises 12 inches and one yard comprises three feet….Foot (unit)

Initially, the Romans divided their foot into 16-digits, but they later split it into 12 unciae (which in English means ounce or inch). In the United States, a foot was estimated to be 12 inches with an inch defined by the 1893 Mendenhall order which stated that one meter is equal to 39.37 inches.

In the U.S., the common symbol for feet is the apostrophe (‘), while the symbol for inches is commonly the quote (“). Are you certain there are symbols for feet and inches?

The Foot Origin and History In the ancient Celtic society, the Welsh took guidance from the Greeks and designed a foot measurement of nine inches. The city-dwelling Romans came closest to the modern-day foot measurement, since their foot measured 11.64 inches.

The foot was the customary measure when the English colonies revolted and became the United States, and it is still in use. The foot is the ancient length measure of the English colonies in America, tracing back to the Romans and Greeks.

The biggest reasons the U.S. hasn’t adopted the metric system are simply time and money. When the Industrial Revolution began in the country, expensive manufacturing plants became a main source of American jobs and consumer products.

The United States has official legislation for metrication; however, conversion was not mandatory and many industries chose not to convert, and unlike other countries, there is no governmental or major social desire to implement further metrication.

Myanmar and Liberia are the only other countries in the world that haven’t officially adopted the metric system yet. In both countries, metric measurements are used alongside imperial ones.

A

There are only three: Myanmar (or Burma), Liberia and the United States. Every other country in the world has adopted the metric system as the primary unit of measurement. How did this one system become so widely adopted? And why are there countries that are holdouts?

Although NASA has ostensibly used the metric system since about 1990, English units linger on in much of the U.S. aerospace industry. In practice, this has meant that many missions continue to use English units, and some missions end up using both English and metric units.

NASA claims its costs to convert its measurement systems would be over $370 million.

Mars Polar Lander

American physicists and electrical engineers use the metric system very heavily. American mechanical engineers, civil engineers, and aerospace engineers tend to emphasize the US customary units (which are NOT the same as imperial units).

1975

USA Fahrenheit FAQ Fahrenheit is a scale used to measure temperature based on the freezing and boiling points of water. Water freezes at 32 degrees and boils at 212 degrees Fahrenheit. This is used as a metric for determining hotness and coldness.

The Metric Board was abolished in 1982 by President Ronald Reagan, largely on the suggestion of Frank Mankiewicz and Lyn Nofziger.

Expensive. The expense of the U.S. changing over to the metric system translates into changed measurements on all packaged products, starting with food. The change would also impact housing and lot sizes, the measurement of temperatures with the new use of Celsius, and the change of mileage and speed signs.

It makes sense for money, but in a physical measurement it is much easier and far more accurate to divide by two by the eye, as the US Customary System allows, than it is by ten. This matters in almost every measurement most of us make….

Officially, Canada is a metric country since the 1970s. However, the 1970 Weights and Measures Act (WMA) was revised in 1985 and allows for “Canadian units of measurement” in section 4(5), itemized in Schedule II.

Why the US uses the imperial system. Because of the British, of course. When the British Empire colonized North America hundreds of years ago, it brought with it the British Imperial System, which was itself a tangled mess of sub-standardized medieval weights and measurements.

Metric is simply a better system of units than imperial The metric system is a consistent and coherent system of units. In other words, it fits together very well and calculations are easy because it is decimal. This is a big advantage for use in the home, education, industry and science.

The imperial system of weights and measures is considered bad by most of the metric-using world because it’s overly confusing and doesn’t really map well. Let’s start with imperial volume, with the humble teaspoon. 1 teaspoon (tsp) is a basic unit of measurement, with half and quarter teaspoon measurements.