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Speed Conversion

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Important Notes
  • The SI unit of speed is the meter per second, but the most common unit of speed in everyday usage, is the kilometer per hour or, in the US and the UK, miles per hour. For air and marine travel the knot is commonly used.
  • The most common way to calculate the speed of a moving object, the following formula is used: [ (distance moved by the object) / (time taken by object to complete the movement)]
  • Speed can be thought of as rate at which an object covers distance. A fast-moving object has a high speed & covers a large distance in a given amount of time, while a slow-moving object covers a relatively small amount of distance in the same amount of time.
  • The knot is a unit of speed equal to one nautical mile per hour, exactly 1.852 km/h (approximately 1.15078 mph or 0.514 m/s). The ISO standard symbol for the knot is kn.
  • The fastest possible speed at which energy or information can travel, according to special relativity, is the speed of light in a vacuum c=299792458 meters per second (approximately 1079000000 km/h or 671000000 mph).
speed
Speed

In everyday use and in kinematics, the Speed of an object is the magnitude of the change of its position. The average speed of an object in an interval of time is the distance travelled by the object divided by the duration of the interval, whereas the instantaneous speed is the limit of the average speed as the duration of the time interval approaches zero.
Speed is the scalar quantity that means it has only magnitude. It doesn't have a direction. Higher speed means an object is moving faster. Lower speed means it is moving slower. If it isn't moving at all, it has zero speed.

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Time in physics is operationally defined as "what a clock reads". Time is one of the seven fundamental physical quantities in both the International System of Units (SI) and International System of Quantities. The SI base unit of time is the second. In classical non-relativistic physics, it is a scalar quantity. Time can be combined . . . .

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Pressure
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Power
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In physics, power is the amount of energy transferred or converted per unit time. In the International System of Units, the unit of power is the watt, equal to one joule per second. In older works, power is sometimes called activity. Power is a scalar quantity. The output power of a motor is the product of the torque that the motor . . . .

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The use of units, measurements and conversions plays a big part in excelling in math. The intent of this site is to help visitors perform different varieties of calculations/conversions easily with a high degree of accuracy.

The site includes unit converters for various quantities like currency, length, speed, time, area, volume, mass, temperature, angle, pressure, energy and power. In addition to this, it provides area & volume calculations of different shapes & it's parts. The site also contains several other features like number system conversion, calculation of interests, percentages along with color code finder and many more.

History of Measurement :

The earliest recorded systems of calculations and measures originate in the 3rd or 4th millennium BC. Even the very earliest civilizations needed measurement for purposes of agriculture, construction and trade. Early standard units might only have applied to a single community or small region, with every area developing its own standards for lengths, areas, volumes and masses.

With the development of manufacturing technologies and the growing importance of trade between communities and ultimately across the Earth, standardized weights and measures became critical. Starting in the 18th century, modernized, simplified and uniform systems of weights and measures were developed, with the fundamental units defined by ever more precise methods in the science of metrology.

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