![]() Also, instantaneous speed is a scalar quantity. The value of the instantaneous speed is greater than or equal to zero. ![]() The speedometer tells the exact accurate value of the speed at that particular instant of time. And it is measured with the help of the vehicle-installed speedometer. Instantaneous speed is not constant for an object or a body. Sometimes, it may have more value than the average speed or less value than the average speed depending on the path and hurdles. ![]() For a journey, it is not necessary that the body or an object remains at the average speed. Average Speed is a constant value and is measured by calculating the speed of an entire trip or journey.
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