# a train is moving with an initial velocity of 30 metre per second the brakes are applied so as to produce a uniform acceleration of -1.5 metre per second square calculate the timeuniforma uniform acceleration

### Asked by binodyadav9181 | 13th Sep, 2020, 07:21: PM

Expert Answer:

### v = u + at
As the brakes are applied, the train will come to rest.
Thus, final velocity, v = 0
u = 30 m/s
a = - 1.5 m/s^{2}
0 = 20 + (-1.5) x t
-20 = -1.5 t
Thus,
t = 13.33 s
Time for uniform aceleration is 13.33 s

^{2}

### Answered by Shiwani Sawant | 17th Sep, 2020, 10:56: AM

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