taylorchitwood0 taylorchitwood0

09-04-2018
Physics

contestada

A car traveling at 27 m/s starts to decelerate steadily. It comes to a complete stop in 12 seconds. What is its acceleration?

Respuesta :

09-04-2018

Initial speed = 27 m/s
Final speed = zero

Acceleration = (final speed - initial speed) / (time)

= (-27 m/s) / (12 s)

= (-27/12) m/s²

= - 2.25 m/s²

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