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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.

User GoinOff
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1 Answer

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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(
User Allanqunzi
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