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**What is speed?**Speed is a measure of exactly how fast things moves loved one to a reference point. The does not have a direction and also is considered a size or scalar quantity. Speed can be figured by the formula:

**How to measure Speed**In the United claims we mostly think of speed in miles every hour or mph. This is the way the speed of a automobile is commonly measured. In science and physics the traditional unit of measure for speed is generally meters per 2nd or m/s.The measure of speed have the right to reflect two various scalar quantities.Instantaneous speed - The speed of things at a provided moment. The car may be travelling at 50 mph at this moment, yet it might slow down or rate up during the following hour.Average rate - The typical speed is calculation by the distance that an object traveled end a offered interval of time. If a automobile traveled 50 miles over the food of one hour then its median speed will certainly be 50 mph. It may be that the auto traveled in ~ instantaneous speed of 40 mph and 60 mph throughout that time, however the average speed is 50 mph.

**What is velocity?**Velocity is the rate of change in an object"s position. Velocity has actually a size (speed) and also a direction. Velocity is a vector quantity. Velocity is represented by the formula:

**How to measure Velocity**Velocity has actually the same unit of measure together speed. The conventional unit of measure up is meters per 2nd or m/s.

**What is the difference between speed and velocity?**Speed is the magnitude of velocity. Velocity is the rate of an item plus its direction. Rate is referred to as a scalar quantity and also velocity is a vector quantity.

**Speed the Light**The fastest feasible speed in the universe is the rate of light. The speed of irradiate is 299,792,458 meters every second. In physics this number is stood for by the letter "c."

**Interesting Facts about Speed and Velocity**A speedometer is a good example that instantaneous speed.The rate of light can also be written as 186,282 miles per second.The speed of sound in dried air is 343.2 meters every second.The to escape velocity of planet is the speed necessary to escape from Earth"s gravitational pull. It is 25,000 miles per hour.

See more: Which One Of The Following Is The Correct Electron Configuration For A Ground-State Nitrogen Atom?

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