Question

Difference between speed and retardation

Answer 1

Hey mate !!!

=>Acceleration of a body is defined as the rate of change of its velocity with time. Velocity of the body increases with time. Retardation means negative acceleration. If the velocity of a body decreases,the acceleration is negative.

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Answer 2

Answer:

speed is indicator of rapidity of a motion while retardation is the negative accelaration