Math, asked by ancythomas393, 9 months ago

a train passes 210m long bridge in 21s and a signal in 20s.fing the speed of the train in km/h

Answers

Answered by ArjunPartha

3

Answer:

v=l/20

(l+210)/21=v

l=20v

v=210 ms-1

Answered by faltuemail253

0

Answer:

58.33

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