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A truck goes 5 m/s to 25 in 20 seconds. What is the acceleration of the truck during 20-seconds interval?
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Respuesta :

AL2006

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

Change in speed = (ending speed) - (starting speed)

Change in speed = (25 m/s) - (5 m/s)  =  20 m/s

Time for the change = 20 sec

Acceleration = (20 m/s) / (20 sec)

Acceleration = 1 m/s²

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