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harkovskaia [24]
2 years ago
8

Please help me with the question​

Mathematics
1 answer:
QveST [7]2 years ago
7 0

Answer:

   -2.5 m/s^2

Step-by-step explanation:

From 2 seconds to 8 seconds (the last 6 seconds), the speed decreased from 15 m/s to 0. The average acceleration is ...

  (-15 m/s)/(6 s) = -2.5 m/s^2

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