A 175 meter long train crosses a telegraph: post in 14 seconds and 150 meter long: a train going in the same direction at a speed of 36 km / hr, 2 minutes 10 seconds, then the first train What's the trick? (A) 60 km / hr (B) 40 km / hr C 45 km / hr (D) 50 km 0 / hr
Answers
Answered by
1
Answer:
450km/hr
Step-by-step explanation:
175/14=12.5m/sec
than in 1 hr = 3600×12.5=45000
soSpeed=45000/100= 450km/hr
Similar questions