SOLUTION: Find the radius of a circular railroad track that will cause a train to change direction by 17.5° in a distance of 181 m.
Round the answer to the whole.
Algebra.Com
Question 1064101: Find the radius of a circular railroad track that will cause a train to change direction by 17.5° in a distance of 181 m.
Round the answer to the whole.
Answer by ikleyn(52777) (Show Source): You can put this solution on YOUR website!
.
The formula for the arc length is
S = .
is the angle in radians.
So, = radians (! calculate !).
Then from the equation (*) find r: r = .
That's all.
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