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Mr. Dubey • 100.64K Points
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Q. A train has to negotiate a curve of radius 400m. By how much should the putter rail be raised with respect to inner rail for speed of 48 km/h? The distance between the rails is 1m.

  • (A) 0.20m
  • (B) 0.0454m
  • (C) 0.45m
  • (D) 0.020m
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Explanation by: Mr. Dubey
h = (v2 l)/rg h = 402/32 = 0.0454m.

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