Two Trains & Moving Observers
दो trains और चलता-फिरता observer
title
Two Trains & Moving Observers
- Problems on Trains
- Two Trains & Moving Observers
Hello दोस्तों! MeraExam की एक और class में आपका स्वागत है। आज की class में समझेंगे — दो trains और चलता-फिरता observer। घबराइए मत, हम एकदम basic से शुरू करेंगे। Ready? चलिए!
Scene 1/13
Interactive — learn by doing. Drag, tap and explore to build the intuition.
Relative speed: add or subtract
Approaching (opposite) → speeds add; chasing (same way) → speeds subtract. The gap closes at that combined rate.
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rel = 60 + 40 = 100 km/h = 27.78 m/s
18 s
Gap 500 m ÷ 27.78 m/s. Same-direction crossings take longer — the relative speed is small.