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A rail road curve is to be laid out on a circle. If the track is to change its direction by 28 degrees in a dist. of 44 m then the radius of the curve is? ans: d = 2πrθ/360 => 44 = 56πr/360 =>r = (360*44)/56π =>r = (360*44*7)/56*22 =>r = 90m in this solution derive for: d = 2πrθ/360

A rail road curve is to be laid out on a circle. If the track is to change its direction by 28 degrees in a dist. of 44 m then the radius of the curve is?
 
ans:d = 2πrθ/360 
=> 44 = 56πr/360 
=>r = (360*44)/56π 
=>r = (360*44*7)/56*22 
=>r = 90m
 
 
in this solution derive for:
d = 2πrθ/360

Grade:11

1 Answers

Deepak Kumar Shringi
askIITians Faculty 4405 Points
3 years ago
we aleady know that
d=rθ hereθ is in radian and
360=2π radian
1 =2π/360
just convert this radian in degree now

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