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6. A curved pcrtiontvrsy, has a radius of cuvature o: 65 r- As a highway engineer, you want to bak triz eurve at the proper gie fcr a steady speed of 22 m/s. (a) What banking angis shoald you specify for this curve? (b) At the proper banking angle, what normal force and what friction force does the highway exert on a 750-kg car going arcund the qurve at the proper speed?
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