An 85-g arrow is red from a bow whose string exerts a, Ask an Expert

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Q. If a curve with a radius of 85m is properly banked for a car traveling 68 km/h, what must be the coefficient of static friction for a car not to skid when traveling at 93 km/h?

Q. An 85-g arrow is red from a bow whose string exerts a constant force of 105 N on the arrow over a distance of 75 cm. What is the speed of the arrow as it leaves the bow?

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