Math, asked by krishanrao0305, 3 months ago

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11. Two trains are moving in opposite directions at the speed of 50 and 70 km. per hour . Their lengths are 150

m and 100 m. What is time required for their crossing each other thi​

Answers

Answered by fizamehek
2

Step-by-step explanation:

The combined speed of the Trains= (50+70)= 120- Km/ h= 120 x 5/18 =100/3 = 33.33 m/sec.

Distance travelled = (150+100)= 250.

Time taken= Distance/Speed = 250/(100/3) = 7.5- seconds.

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