Question

Q4. When high-speed trains pass
each other, it's strongly
recommended that they should slow
themselves down. Why? जब हाई-स्पीड
ट्रेनें एक-दूसरे को पास करती हैं, तो यह दृढ़ता से
अनुशंसा करता है कि वे खुद को धीमा कर दें।
क्यों?​

Answer 1

Answer:

the force of two trains, moving in opposite directions, on each other, due to air around it, can push the other train off the track

Explanation:

that s the simplest explanation, hope it helps

Answer 2

Answer:

When two trains cross each other, there might be a change in air turbulence around the train. This causes the train doors to slam against. And for the feel of slowing down, its a feel caused by relative velocity.