define speed ,average speed
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Speed is the distance that an object moves in a given amount of time. Speed is a measure of how fast something is moving. The average speed of an object in a certain time is the distance the object travelled divided by the time.
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Speed :
It is the Total distance covered by an object in per unit time.
Its S.I unit is metre per second.
it is a scalar quantity.
Average speed :
It Total distance covered by an object in the total time.
Its S.I unit is same as that of speed.
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