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Oct 21, 2023 · distance = speed x time. Rate and speed are similar since they both represent some distance per unit time like miles per hour or kilometers per hour. If rate r is the same as speed s, r = s = d/t. You can use the equivalent formula d = rt which means distance equals rate times time. distance = rate x time. To solve for speed or rate use the ...
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Speed limit sign in the Republic of Ireland, using "km/h.". The SI representations, classified as symbols, are "km/h", "km h −1" and "km·h −1".Several other abbreviations of "kilometres per hour" have been used since the term was introduced and many are still in use today; for example, dictionaries list "kph", [3] [4] [5] "kmph" and "km/hr" [6] as English abbreviations.
The answer is 2450 / 5 = 490 mph (miles per hour) average speed. If you want the result in km/h, you can convert from miles to km to get 788.58 km/h. Distance formula. The formula for distance, if you know time (duration) and the average speed, is: d = v x t
Speed is defined as the rate at which an object covers distance. It describes how quickly or slowly an object moves from one place to another. The standard (SI) unit of speed is meters per second (m/s), but it can also be expressed in other units, such as kilometers per hour (km/h), miles per hour (mph), or feet per second (ft/s), depending on the context or the country's measurement system.
The historical convention of using kilometers per hour (km/h) and miles per hour (mph) as standard units for measuring vehicular speeds has deep roots in human civilization. These units gained prominence during the 19th and 20th centuries with the evolution of the transportation industry, where the need for a universally understood and standardized speed unit became crucial.
If the distance was 200 kilometers and it took 4 hours to cover it, the speed was 200 / 4 = 50 km/h (kilometers per hour). As you can see, to work out your speed in km/h or mph just apply the speed formula with the relevant units for distance and time. This is how to calculate average speed of a car, bike, boat, or any other vehicle or object.
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The equation for distance is given above right. Example: A train travels at an average speed of 142 kilometres per hour for 43 minutes. How far did it travel? The first thing to do is work out the speed of the train: 142 km is 142,000 metres and an hour is 3600 seconds, so the speed of the train is 142,000 m / 3600 s = 39.44 m/s (this can be calculated using the first calculator in this page).
