A person driving in a neighborhood traveling 9 m/s slows to a stop (0 m/s) over 4 seconds as they approach a stop sign. What is the rate of acceleration of the car coming to a stop in m/s2?

Respuesta :

Answer:

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Explanation:

Answer:

-2.25

Explanation:

v=u+at

0=9+a(4)

9+4a=0

4a=-9

a= -2.25