what is acceleration and retardation?????????
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what is acceleration and retardation?????????
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Acceleration of a body is defined as the rate of change of its velocity with respect to time.
si unit is m/s^2
ex: A car accelerate(+ 5m/s^2)
(positive sign denoting acceleration)
simple way meaning car speed increase
Retardation means negative acceleration. If the velocity of a body decreases,the acceleration is negative.
ex :A car retardation (-5m/s^2)
(negative sign means retardation )
simple way car speed decreases in retardation
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Answer:
Acceleration is defined as the change in velocity per unit time. Acceleration is measured in m/s2. = Retardation. The negative acceleration is called retardation or deceleration.