explain the positive accelaration.
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A positive acceleration means an increase in velocity with time. negative acceleration means the speed reduces with time. its a retardation. If the speed is increasing, the car has positive acceleration. When the car slows down, the speed decreases. When an object is speeding up, the acceleration is in the same direction as the velocity. Thus, this object has a positive acceleration
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When the velocity of an object increases, the acceleration is positive.In this case, the acceleration is in the direction of Velocity.
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