Friday
April 25, 2014

Homework Help: Physics

Posted by TJR on Wednesday, August 15, 2012 at 9:58am.

A car whose speed is 90.0 km/h (25 m/s) rounds a curve 180 m in radius that is properly banked for speed of 45 km/h (12.5 m/s). Find the minimum coefficient of friction between tires and road that will permit the car to make a turn. What will happen to the car in this case?


My teacher said we'll use 'tan' but i'm confused. :(

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