Question

180 meter long train crosses a poll in 20 sec speed of train

Answer 1

Hey friend...!! here's your answer
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Speed = Distance / Time

=( 180 / 20)
= 9
So that the speed is 9 m/s

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#Hope its help

Answer 2

$\text {Your answer !!}$

$\textbf {Given :}$

Distance = s = 180m

Time = t = 20 sec

$find = > speed = v \\ \\ = > v = \frac{s}{t} \\ \\ = > v = \frac{180}{20} \\ \\ = > v = 9 \: \frac{m}{sec}$

$\textbf {Hence, speed = 9 m/sec !!}$

$\text { Thanka !!}$