Question

A train brakes from 40 m/s to a stop in 5 sec. What is the acceleration of the train?

Answer 1

Answer:

To find the acceleration we have its formula as

v-u/t where v is final velocity, u is initial velocity and t is time

So substituting the values,

0-40/5 m/s²

-40/5 = -8 m/s²

Thus the acceleration is -8m/s²

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