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`        A circular railway track of radius 400m is to be made so that a train can move with a speed of 10m/s without friction. If the distance between the two rails is 1m by how much the outer rail should be raised? (g=10m/s2)`
2 years ago

Arun
24739 Points
```							Dear student tan theta = v²/ rg = 100/4000 = 1/40Now you can solve this. RegardsArun (askIITians forum expert)
```
2 years ago
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