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6. A train decelerates uniformly from 30 m/s to 10 m/s in 5 seconds. What is its
deceleration?
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Sagot :

Answer:

the answer is 4m/s²

Explanation:

Formula:

a = Vf-Vi

————

t

Solution:

a = 30m/s - 10m/s

—————————

5s

a = 20m/s

————

5s

a = 4m/s²