Question

A moving train is brought to rest within 10 s , by applying brakes. Find initial velocity if the retardation due to breaks is 2.5 m/s2 ?

Answer 1

Answer:

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Answer 2

Explanation:

let, v=0

t=10s

a=2.5m/s^2

Using the formula

v=u+at

or u= -v+at

= 0+2.5×10

= 25m/s