A curve with a 140 radius on a level road is banked at the, Ask an Expert

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Q. A curve with a 140 radius on a level road is banked at the correct angle for a speed of 20 . If an automobile rounds this curve at 30 , what is the minimum coefficient of static friction between tires and road needed to prevent skidding?

Q. two positive charges, each of the magnitude q, are on the y-axis at points y=+a and y=-a. where would a third positive charge of the same magnitude be located for the net force on the third charge to be zero?

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