An Automobile Moves on a Level Horizontal Road in a Circle

question 63

Multiple Choice

An automobile moves on a level horizontal road in a circle of radius 30 m.The coefficient of friction between tires and road is 0.50.The maximum speed with which this car can round this curve is:

• A)3.0 m/s
• B)4.9 m/s
• C)9.8 m/s
• D)12 m/s
• E)147 m/s

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