A train, initially moving at 12 m/s, speeds on to 36 m/s in 120 seconds. What is its acceleration?

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1. Answer:

   0.2 m/s²

   Explanation:

   acceleration formula is given by the difference in velocities over the time

   hence final velocity – intial velocity / time

   = 36-12/120

   =0.2m/s²

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