The velocity of a car changes from 50 m/s north to 40 m/s north in 2 seconds. What is the car’s acceleration?

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18-12-2019
Physics

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The velocity of a car changes from 50 m/s north to 40 m/s north in 2 seconds. What is the car’s acceleration?

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thankins2017p7070c thankins2017p7070c · Answer 1 · 2019-12-18T06:16:17+01:00

thankins2017p7070c thankins2017p7070c

18-12-2019

Acceleration is defined as the change in velocity divided by the change in time. Since the velocity changed from 50 m/s to 40 m/s (-10 m/s change) in 2 seconds, then the acceleration is (-10/2) = -5 m/s^2 northward. Hope this helps!

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