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An automobile is traveling at 90 km/hr around a curve of radius 375m. If the road is flat, what minimum coefficient of friction is needed

An automobile is traveling at 90 km/hr around a curve of radius 375m. If the road is flat, what minimum coefficient of friction is needed in order not to skid?

0.61,

0.45,

0.28,

0.34,

0.17

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