Question

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
(m v^2) / r = m g sinΘ

v^2 = 6.00 m * g * sin(9.0º)

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