Aparachute on a racing dragster opens and changes the speed of the car from 125m/s to 65m/s in a period of 4.5 seconds . what is the acceleration of the dragster

The acceleration of the dragster is 13.33

Step-by-step explanation:

Given as :

The Final velocity of car = 65  m/s

The initial velocity of car = 125 m/s

The Time period for change of speed = 4.5 seconds

Now,

Acceleration is define as rate of change of velocity

So, Acceleration =

Or,  Acceleration =

Or, Acceleration =

∴   Acceleration = 13.33  

Hence The acceleration of the dragster is 13.33   Answer

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step-by-step explanation:

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