College Physics, Volume 1
2nd Edition
ISBN: 9781133710271
Author: Giordano
Publisher: Cengage
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Chapter 5, Problem 25P
To determine
The coefficient of static friction between coin and record.
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A curve in a stretch of highway has radius 512 m. The road is unbanked. The coefficient of static friction between the tires and road is 0.600.
a. What is the maximum safe speed that a car can travel around the curve without skidding? answer in m/s
b. Which of the following is the correct free-body diagram of the car when it enters the curve at a speed greater than the maximum safe speed? (OPTIONS ATTACHED)
c. When the car enters the curve at a speed greater than the maximum safe speed (speed at which the car won’t skid), which of the following statements are correct?
The static frictional force is not large enough to keep the car in a circular path.
The car skids toward the outside of the curve.
The car skids toward the inside of the curve.
The static frictional force is large enough to keep the car in a circular path.
A car enters a horizontal, curved roadbed of radius 50 m. The coefficient of static friction between the tires and the roadbed is 0.20. What is the maximum speed with which the car can safely negotiate the unbanked curve?
A car travels around an unbanked curve at 17 m/s. If the static friction coefficient between the tires and the road is 0.45, what is the minimum radius curve that the car can take at this speed without slipping?
Chapter 5 Solutions
College Physics, Volume 1
Ch. 5.1 - Velocity and Acceleration in Circular Motion...Ch. 5.1 - Prob. 5.2CCCh. 5.2 - Prob. 5.3CCCh. 5.3 - Prob. 5.5CCCh. 5.4 - Prob. 5.6CCCh. 5.4 - Prob. 5.7CCCh. 5 - Prob. 1QCh. 5 - Prob. 2QCh. 5 - Prob. 3QCh. 5 - Consider the Cavendish experiment in Figure 5.22....
Ch. 5 - Prob. 5QCh. 5 - Prob. 6QCh. 5 - Prob. 7QCh. 5 - What force makes it possible for a car to move...Ch. 5 - Prob. 9QCh. 5 - Prob. 10QCh. 5 - Prob. 11QCh. 5 - Prob. 12QCh. 5 - Prob. 13QCh. 5 - Prob. 14QCh. 5 - Prob. 15QCh. 5 - Prob. 16QCh. 5 - Prob. 17QCh. 5 - Prob. 18QCh. 5 - Plutos mass. In 1978, it was discovered that Pluto...Ch. 5 - Prob. 1PCh. 5 - Prob. 2PCh. 5 - Prob. 3PCh. 5 - Prob. 4PCh. 5 - Prob. 5PCh. 5 - Prob. 6PCh. 5 - Prob. 7PCh. 5 - Prob. 8PCh. 5 - Prob. 9PCh. 5 - Prob. 10PCh. 5 - A compact disc spins at 2.5 revolutions per...Ch. 5 - Prob. 12PCh. 5 - Prob. 13PCh. 5 - Prob. 14PCh. 5 - Prob. 15PCh. 5 - Consider the motion of a rock tied to a string of...Ch. 5 - Prob. 17PCh. 5 - Prob. 18PCh. 5 - Prob. 19PCh. 5 - Prob. 20PCh. 5 - Prob. 21PCh. 5 - Prob. 23PCh. 5 - Prob. 24PCh. 5 - Prob. 25PCh. 5 - Prob. 26PCh. 5 - Prob. 27PCh. 5 - Prob. 29PCh. 5 - Consider a Ferris wheel in which the chairs hang...Ch. 5 - Prob. 31PCh. 5 - Prob. 32PCh. 5 - Prob. 33PCh. 5 - Prob. 34PCh. 5 - Prob. 35PCh. 5 - Prob. 36PCh. 5 - Prob. 37PCh. 5 - Prob. 38PCh. 5 - Prob. 39PCh. 5 - Prob. 40PCh. 5 - Prob. 41PCh. 5 - Prob. 42PCh. 5 - Prob. 43PCh. 5 - Prob. 44PCh. 5 - Prob. 45PCh. 5 - Prob. 46PCh. 5 - Prob. 47PCh. 5 - Prob. 48PCh. 5 - Prob. 50PCh. 5 - Prob. 51PCh. 5 - Prob. 52PCh. 5 - Prob. 53PCh. 5 - Prob. 54PCh. 5 - Prob. 55PCh. 5 - Prob. 56PCh. 5 - Prob. 57PCh. 5 - Prob. 58PCh. 5 - Prob. 59PCh. 5 - Prob. 60PCh. 5 - Prob. 61PCh. 5 - Prob. 62PCh. 5 - Prob. 63PCh. 5 - Prob. 64PCh. 5 - Prob. 65PCh. 5 - Prob. 66PCh. 5 - Prob. 67PCh. 5 - Prob. 68PCh. 5 - Prob. 69PCh. 5 - Prob. 70PCh. 5 - Prob. 71PCh. 5 - Prob. 72PCh. 5 - A rock of mass m is tied to a string of length L...Ch. 5 - Prob. 74PCh. 5 - Prob. 75PCh. 5 - Prob. 76PCh. 5 - Prob. 77P
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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, physics and related others by exploring similar questions and additional content below.Similar questions
- An attraction in an amusement park has guests stand inside the wall of a 16m diameter cylinder that will spin, after it reaches a certain velocity the floor is lowered and the guests are stuck to the cylinder's wall. What is the minimum velocity that the cylinder must reach for this to happen if the coefficient of static friction is 0.30?arrow_forwardA small car with mass 0.650 kg travels at constant speed on the inside of a track that is a vertical circle with radius 5.00 m. a. If the normal force exerted by the track on the car when it is at the top of the track (point B) is 6.00 N, what is the normal force on the car when it is at the bottom of the track (point A)?arrow_forwardA flat unbanked curve on a highway has a radius of 250 m. What is the maximum speed in m / s a car can turn around the curve without sliding if the coefficient of static friction between the tire and the road is 0.95?arrow_forward
- A flat (unbanked) curve on a highway has a radius of 182.5 m. A car rounds the curve at a speed of 35.0 m/s. a. What is the minimum coefficient of static friction that will prevent sliding? b. Suppose that the highway is icy and the coefficient of static friction between the tires and pavement is only one-third of what you found in part (a). What should be the maximum speed of the car so that it can round the curve safely?arrow_forwardcht3 t 9. A ride at an amusement park consists of a rotating cylinder with a radius of 5.00 m. After it reaches a certain speed, the floor drops away, and riders are held to the walls via the force of static friction. The coefficient of static friction between a rider and the wall is 0.400. What is the minimum speed needed to ensure that the rider will not slide down the wall?arrow_forwardA 2000 kg car is driving at a constant speed of 34.9 m/s takes a curve with a 80 m radius. The road is not banked (level road). What is the minimum value of the coefficient of static friction between the tires and the road so that the car can take this curve without slipping? Round your final answer to 1 decimal place. Side note: The speed's value is, in the range of 40 mph to 80 mph, given randomly in the question. If the coefficient of static friction is larger than 1, the car would slip. It is unrealistic to have that high the coefficient of friction in real life. Don't over-speed!arrow_forward
- A car is moving with a constant speed 17.4 m/s around a level curve. The coefficient of static friction between the tires and the road is 0.5. What is the minimum radius of the curve if the car is to stay on the road? Round your answer to the nearest meter.arrow_forwardA 600 kg car traveling at 30.0 m/s is going around a curve having a radius of 120m that is banked at an angle of 25.0 degrees. The coefficient of static friction between the car's tires and the road is 0.300. What is the magnitude of the force exerted by friction on the car?arrow_forwardA dog is running in a circle with a radius of 23.7 m at a speed of 65.9 km/h. What is the minimum coefficient of static friction between the dog and the ground that will allow the dog to run this way without slipping?arrow_forward
- A curve in a stretch of highway has radius 512 m. The road is unbanked. The coefficient of static friction between the tires and road is 0.700. What is the maximum safe speed that a car can travel around the curve without skidding?arrow_forwardA race track curve has a radius of 90 m and is banked at an angle of 15°. the coefficient of static friction between the tires and the roadway is 0.4. a race car with a mass of 1200 kg rounds the curve with a maximum speed to avoid skidding. What’s the normal force on the car as it rounds the curve (exerted by road), the radial acceleration, and speed?arrow_forwardA bus’ maximum velocity speed of 410m/s can turn safely on a curved path that has 40 meters radius and 0.4 coefficient of static friction between tire and road. What must be the curved path radius if the maximum velocity speed of the bus must be 10 m/s, with 0.5 as the coefficient of static friction so that the bus can still turn safely without skidding out of a curved road?arrow_forward
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