Question

A train of length 50m is moving with a constant speed of 10m/s.
Calculate the time taken by the train to cross an electric pole
and a bridge of length 250 m. (55, 30s) (AS)​

Answer 1

Answer:

30s

Explanation:

first, you have to add the trains legnth from the bridge length

so 250+50 = 300

then use

s=ut+1/2at^2 equation to solve

constant speed means no acceleration

so the equation will be

s=ut

300=10t

therefore t= 30s