difine speed and velocity
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The amount of distance covered in a unit time by a body is its speed, and the amount of displacement that took place along with the direction of the body, in unit time is called velocity.
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- Speed: It is defined as the distance travelled by an object in per unit time.
Speed= distance travelled / total time taken
V=s/t =m/s unit = meter/second
Speed is a scalar quantity.
2. Velocity: It is defined as the displacement travelled per unit time.
Velocity=displacement travelled/time taken
Unit=m/s
It is a vector quantity
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