Question

definition of speed
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Answer 1

Here is your answer...

speed is defined as the distance travelled per unit time.....

i.e. speed = distance/time

it is a scalar quantity and its S.I. unit is m/sec

hope this will help you...

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Answer 2

Answer:

Speed is the distance traveled per unit of time. It is how fast an object is moving. Speed is the scalar quantity that is the magnitude of the velocity vector. It doesn't have a direction. Higher speed means an object is moving faster.