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What is formula of accelaration.And accelaration of an object 142m/s

is there some detail regarding the time the object takes for attaining this speed



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Acceleration is defined as the rate of change of velocity
  = change of velocity / time duration , in which the velocity changed

Direction of acceleration is the direction change in velocity

we need more info for acceleration along with speed/velocity

0 0 0
so,velocity=142 m/s
     time taken =not given so ,0
so, 142÷0=0
so acceleration=0
1 5 1
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