The origin of the kilometer is linked to that of the meter, and its current definition as the distance traveled by light in 1/299 792 458 second. One kilometer is therefore one thousand meters. History/origin: The prefix kilo- is a metric prefix indicating one thousand. One kilometer is equivalent to 0.6214 miles. Kilometerĭefinition: A kilometer (symbol: km) is a unit of length in the International System of Units (SI). There also exist a number of units based on, or closely related to, the Roman mile, including the nautical mile (1.852 km exactly), Italian mile (~1.852 km), and the Chinese mile (500m exactly).Ĭurrent use: Although most countries have adopted the metric system and use kilometers, rather than miles, to express land distance, the mile is still prevalently used in countries such as the United States (US), United Kingdom (UK), Myanmar, and Liberia, as well as some other countries which are either US or UK territories, or have historical ties with either country. The definition of a mile as 5,280 feet (or 8 furlongs), sometimes referred to as the statute mile, international mile, or land mile, which differs from the Roman mile of 5,000 feet, developed due to the importance of the furlong in England, back in 1593. The use of the abbreviation "m" for mile was common before the widespread adoption of the metric system after the adoption of the metric system, "mi" became the preferred abbreviation in order to avoid confusion between miles and meters. History/origin: The mile is an English unit (predecessor of Imperial units and United States Customary Units) of length. It is currently defined as 5,280 feet, 1,760 yards, or exactly 1,609.344 meters. It measures only 3.6 km.Definition: A mile (symbol: mi or m) is a unit of length in the imperial and US customary systems of measurement. The road from the cottage to the shop 6 km away leads either along a straight road that the bicycle can drive at a speed of 18 km/h or by "shortcut". It took 4 hours for the two to meet if Jake's speed was 15 mph slower than Brian's. What is his average speed for the entire trip?īrian and Jake left their homes 500 miles apart and drove straight toward each other. he then traveled back home on the same path at a speed of 24 miles per hour. Starting at home, Tony traveled uphill to the store for 45 minutes at 8 miles per hour. Use the following facts to convert this units: 1 meter = 39.37 inches, 1 mile = 1609 m, 1 hour = 60 minutes Express it in miles per hour, correct to three significant figures. The speed of the mail train is 1370 meters per minute. When did the faster caravan run slower? How far from the oasis? Two hours later, a second caravan followed her at 2.5 miles per hour. After how many hours will the cars be 30 miles apart?Īt 6:00 in the morning, a caravan set out of the oasis at a speed of 1.5 miles per hour. If John starts running at 10:00 AM, and Lucy starts running at 10:30 AM, what time will they meet? (as soon as possible)Īt 9:00 AM, two cars started from the same town and traveled at a rate of 35 miles per hour, and the other car traveled at a speed of 40 miles per hour. If John has a running speed of 3.5miles per hour and Lucy has a speed of 5 miles per hour. Find how long it takes her to drive round-trip if she averages 40 mph. She must go to the law library in city B to get a document. How many hours did it take Ed to drive to New Jersey?Ī woman works at a law firm in city A, about 50 miles from city B. How far can she walk in 2 hours 45 minutes?Įd drove to New Jersey at 30mph. Lucie can walk about 3 4/5 miles each hour. After an eight-hour flight is at its destination, how far did the plane fly? What is the unit rate that this train is traveling per hour? Write in miles per hour.Ī plane is flying at the rate of 350 mph. Conversion of a velocity unit in word math problems and questionsĪ train can travel 1136 miles in 4 hours.
0 Comments
Leave a Reply. |
AuthorWrite something about yourself. No need to be fancy, just an overview. ArchivesCategories |