define speed with the help of an example
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Answer:
Speed is a way of measuring how quickly something is moving or being done, or something moving fast. An example of speed is a car being driven 45 miles per hour. An example of speed is someone cleaning a room in 10 minutes.
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Explanation:
the speed of an object is the magnitude of the change of its position; it is thus a scalar quantity ( eg -:a car might travel along a street at 50 km/h, slow to 0 km/h, and then reach 30 km/h).
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