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12. A frain moves from rest to a speed of 25 m/s in 30.0 seconds. What is its acceleration?
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12. A frain moves from rest to a speed of 25 m/s in 30.0 seconds. What is its acceleration?

User Kamau
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  • initial velocity=u=0m/s
  • Final velocity=v=25m/s
  • Time=t=30s


\\ \tt\longmapsto Acceleration=(v-u)/(t)


\\ \tt\longmapsto Acceleration=(25-0)/(30)


\\ \tt\longmapsto Acceleration=(25)/(30)


\\ \tt\longmapsto Acceleration=0.8m/s^2

User Eric Fortier
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