5. a- A 1100 kg car rounds a curve of radius 64.0 m banked at an...
5. a- A 1100 kg car rounds a curve of radius 64.0 m banked at an angle of 14°. What is the maximum speed that the car can reach without skidding if the coefficient of static friction between the tires and the road is 0.56?
5. b- A 1.00-kg ball is tied to a 1.04-m long string is being
spun in a vertical circle at a constant speed and with a period of
2.00 s. What is the minimum tension in the string?
N
Homework Answers
A car rounds a curve that is banked inward. The radius of curvature of the road...
A car rounds a curve that is banked inward. The radius of curvature
of the road is R = 140 m, the banking angle is θ = 26°, and the
coefficient of static friction is μs = 0.39. Find the minimum speed
that the car can have without slipping.
A car rounds a curve that is banked inward. The radius of curvature of the road is R 140 m, the banking angle is 26e, and the coefficient of static minimum...
A curve with a 130 m radius on a level road is banked at the correct...
A curve with a 130 m radius on a level road is banked at the correct angle for a speed of 20 m/s. If an automobile rounds this curve at 30 m/s, what is the minimum coefficient of static friction between tires and road needed to prevent skidding?
A car rounds a curve that is banked inward. The radius of curvature of the road...
A car rounds a curve that is banked inward. The radius of curvature of the road is R = 152 m, the banking angle is θ = 32°, and the coefficient of static friction is μs = 0.23. Find the minimum speed that the car can have without slipping.
A curve that has a radius of 105 m is banked at an angle of 0...
A curve that has a radius of 105 m is banked at an angle of 0 = 10.2°. If a 1100 kg car navigates the curve at 75 km/h without skidding, what is the minimum coefficient of static friction us between the pavement and the tires? e
A car rounds a curve that is banked inward. The radius of curvature of the road...
A car rounds a curve that is banked inward. The radius of curvature of the road is R = 142 m, the banking angle is θ = 30°, and the coefficient of static friction is μs = 0.32. Find the minimum speed that the car can have without slipping. I got 36.5196 m/s, which isn't correct.
A curve of radius 160 m is banked at an angle of 10. An 800-kg car...
A curve of radius 160 m is banked at an angle of 10. An 800-kg car moves the curve at 85 km/h without skidding. Neglect the effects of air drag. Find (a) The frictional force exerted by the pavement on the tires (b) The minimum coefficient of static friction between the pavement and the tires.
A confused flying bird rounds a horizontal circular path. In 24s it completes 3 turns. The...
A confused flying bird rounds a horizontal circular path. In 24s it completes 3 turns. The radius of the path is observed to be r = 12m. a) Find the bird's speed. b) Find the magnitude of the centripetal acceleration How large must the coefficient of static friction be between the tires and road, if a car rounds a level curve of radius 85 m at a speed of 23.5 m/s? A ball at the end of a string is...
5. A car with mass of 1200 kg rounds a flat, unbanked curve with radius of...
5. A car with mass of 1200 kg rounds a flat, unbanked curve with radius of 250 m. (a) Make a free body diagram of this car (1pts). driver can take the curve without sliding is yos. -18m/s. (6pts) (c) Calculate the coefficient of static friction (u, between tires and road. (6pts) at is the magnitude of the maximum friction force necessary to hold a car on the curve if the maximum speed at which the
A 1200 kg car rounds a curve of radius 69 m banked at an angle of...
A 1200 kg car rounds a curve of radius 69 m banked at an angle of 12°. What is the magnitude of the friction force required for the car to travel at 90 km/h?
A highway curve of radius 68.0 m is banked at 21.4 degree so that a car...
A highway curve of radius 68.0 m is banked at 21.4 degree so that a car traveling at 26.4 m/s (95 km/hr) will utilize both banking and friction to keep it on the curve. Determine the minimum coefficient of static friction between the tires and the road to keep the car on the road at this speed on this curve.
A car rounds a curve that is banked inward. The radius of curvature
of the road is R = 140 m, the banking angle is θ = 26°, and the
coefficient of static friction is μs = 0.39. Find the minimum speed
that the car can have without slipping.
A car rounds a curve that is banked inward. The radius of curvature of the road is R 140 m, the banking angle is 26e, and the coefficient of static minimum...
A curve that has a radius of 105 m is banked at an angle of 0 = 10.2°. If a 1100 kg car navigates the curve at 75 km/h without skidding, what is the minimum coefficient of static friction us between the pavement and the tires? e
A curve of radius 160 m is banked at an angle of 10. An 800-kg car moves the curve at 85 km/h without skidding. Neglect the effects of air drag. Find (a) The frictional force exerted by the pavement on the tires (b) The minimum coefficient of static friction between the pavement and the tires.
A confused flying bird rounds a horizontal circular path. In 24s it completes 3 turns. The radius of the path is observed to be r = 12m. a) Find the bird's speed. b) Find the magnitude of the centripetal acceleration How large must the coefficient of static friction be between the tires and road, if a car rounds a level curve of radius 85 m at a speed of 23.5 m/s? A ball at the end of a string is...
5. A car with mass of 1200 kg rounds a flat, unbanked curve with radius of 250 m. (a) Make a free body diagram of this car (1pts). driver can take the curve without sliding is yos. -18m/s. (6pts) (c) Calculate the coefficient of static friction (u, between tires and road. (6pts) at is the magnitude of the maximum friction force necessary to hold a car on the curve if the maximum speed at which the
A highway curve of radius 68.0 m is banked at 21.4 degree so that a car traveling at 26.4 m/s (95 km/hr) will utilize both banking and friction to keep it on the curve. Determine the minimum coefficient of static friction between the tires and the road to keep the car on the road at this speed on this curve.
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