Math, asked by shishantkanojia705, 19 days ago

To trains of length 320 m and 380 m are running at the speed 43 km/hr and 52km/hr respectively calculate the time taken to cross each other

Answers

Answered by student562

0

Answer:

Distance = (350+250)m = 600 m

Relative speed =(42+30)km/hr

=72km/hr

=

60×60

(72×1000)

m/s

=20 m/s

Time = distance/speed

=

20

600

s

=30 s

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