Respuesta :

Jakcie

Answer:

-0.6 m/s^2

Explanation:

a = change in velocity / time

change in velocity = 50 m/s - 20 m/s = 30 m/s

time = 50 s

30 m/s / 50s

= 0.6 m/s^2

because it is decelarating, it will be -0.6 m/s^2

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