Question

A a train is travelling at a speed of 60km/h. brakes are applied so as to produce a uniform acceleration of -0.5m/s2 . find find how far the train will go before it brought to rest.​

Answer 1

Answer:

625

m

Explanation:

Here:- Intial Speed,

u=90km/h-1 = 90×1000m/ 60×60s= 25m/s

a = −0.5m/s2

v=0

s=?

v2 − u2 = 2as

1. 8= v2 - u2/ 2a = 0-(25)2 square/ 2×(-0.5) = 625 m

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