Define:
1) Speed
2) Velocity
3) Acceleration
4) Motion
5) Displacement
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speed=distance /time
velocity=diplacement/time
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1) Speed of a body is the distance travelled per unit time.
2) Velocity of a body is defined as the displacement per unit time.
3) The rate of change of velocity is known as acceleration.
4) A body is said to be in motion when its position changes continuously with respect to time.
5) The shortest distance between the initial and final position of a body in motion is known as its displacement.
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