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19-12-2017
Physics

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a car has the velocity of 2.35 after 4.67 it's velocity is 9.89 what is the average acceleration

Respuesta :

19-12-2017

Average acceleration = (change in speed) / (time for the change) .

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

=  (9.89 miles/hour) - (2.35 yards/second) = 26,839.2 ft/hr

Acceleration = (26,839.2 ft/hr) / (4.67 days) = 2,873.58 inch/hour²

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