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An object moving at 32m/s takes 8s to come to a stop. What is the object’s acceleration?

User Webblover
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1 Answer

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Acceleration = (change in speed) / (time for the change)

Change in speed = (speed at the end) - (speed at the beginning)

= 0 - 32 m/s = -32 m/s .

Acceleration = (-32 m/s) / (8 s) = -4 m/s²
User Tubbe
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