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15-03-2019
Mathematics

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a car traveling at 12/s slows down at a constant rate for 4 seconds until it stops. what is its acceleration

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15-03-2019

Answer:

-3 units / s/s.

Step-by-step explanation:

Acceleration = change of velocity / time

= 0 - 12 / 4

= -3 units /s/s.

Note: negative acceleration = deceleration.

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