Question

A train 210 m long takes 12 seconds to pass a 90 m long tunnel. Find the speed of the train in km/hr

Answer 1

Answer:

give me brainliest ans plzzzz

Answer 2

Step-by-step explanation:

Total distance=210+90=300

s=12

Speed =300/12m/s=25m/s

25 m/s=25*18/5=5*18=90 km/h