Posted by **Janet Nguyen** on Wednesday, September 26, 2012 at 12:35pm.

Can someone help me with this problem please.

An indoor running track is square-shaped with rounded corners; each corner has a radius of 6.00 m on its inside edge. The track includes four 1.0 m wide lanes. What is the design speed on the innermost lane of the track if the banking angle is 9.0 degrees?

Thanks

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