a car can accelerate from rest to 70 km/s in 7 seconds. what is the cars average acceleration. show your work

10km/s²

Explanation:

Given parameters:

Initial velocity  = 0km/s

Final velocity = 70km/s

Time  = 7s

Unknown:

Acceleration =?

Solution:

Acceleration is the rate of change of velocity with time.

It is mathematically expressed as;

      A =  

v is the final velocity

u is the initial velocity

 t is the time

       A  =   = 10km/s²

unbalanced force

explanation:

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