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A car starts from rest at a stop light and reaches 20 m/s in 3.5 s. Determine the acceleration of the car.

Respuesta :

AL2006
We don't know the direction of the acceleration, but we
do have enough information to calculate its magnitude:

     |acceleration|  =  (change in speed)  /  (time for the change)

                              =                     (20 m/s)  /  (3.5 s)

                             =      5.714... m/s²        (rounded(

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