Question

acceleration- time graph for uniform retardation

Answer 1

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Answer 2

Explanation:

Velocity :

Acceleration: acceleration is the rate of change of velocity of the object. its unit is m/s²

Acceleration is defined as:

$a = \dfrac{dv}{dt}$

Retardation: The negative acceleration is called retardation. it is always negative. its unit is the same as acceleration's unit. In the retardation, the velocity decreases.