Question

11. Two trains are moving in opposite directions at the speed of 50 and 70 kom. per hour. Their lengths are
150 m and 100 m. What is time required for their crossing ench other!​

Answer 1

Answer:

7.5s

Step-by-step explanation:

convert speed into m/s

50km/h=13.89m/s

70km/h=19.4m/s

time taken=(100+150)/(13.89+19.4)

=7.5s