A car is travelling with a speed of 45km/h on a circular horizontal track of radius 50m. What is the minimum coefficient of friction, so that the car stays on the track?
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- A 902 kg automobile is moving at a maximum speed of 37 m/s on a level circular track of radius 216 m. What is the coefficient of friction?A car is driving along a circular track with diameter d = 0.59km at a constant speed of v = 21.2 m/s. Write an expression and find the value for the minimum coefficient of friction between the cars tires and road required in order to keep the car going in a circle in terms of the given parameters.looking at a ski slope, the length of the slope is 10.00x10^2m and the top of the slope is at an angle of 8.00 degrees relative to the horizontal. Once the slope has ended the skier continues along a level horizontal before stopping. The coefficient of kinetic friction between the skis and the snow is 0.090 on both the slope and the straight horizontal section. What is the distance that the man travels on this horizontal section, assuming that the man started from the rest at the top of the slope.
- An object is given an initial speed of 5 m/s on a horizontal surface.It slides 10 m on the horizontal surface before it stops due to friction.What is the coefficient of kinetic friction between the object and the surface?A car is driving along a level and unbanked circular track of diameter d=0.54km at a constant speed of v=21.2m/s. Write an expression for the magnitude of the acceleration of the car in terms of the given parameters.What is the magnitude, in meters per squared second, of the acceleration of the car?Write an expression for the minimum coefficient of friction between the car's tires and the road that is required in order to keep the car going in a circle in terms of the given parameters.What is the value of the minimum coefficient of friction between the car's tires and the road that is required in order to keep the car going in a circle?An engineer wants to design an oval racetrack such that 3.20 x 10° lb racecars can round the exactly 1000 ft radius turns at 105 mi/h without the aid of friction. She estimates that the cars will round the turns at a maximum of 175 mi/h. Find the banking angle 0 necessary for the race cars to navigate the turns at 105 mi/h without the aid of friction. This banking and radius are very close to the actual turn data at Daytona International Speedway, where 3.20 × 10³ lb stock cars travel around the turns at about 175 mi/h. What additional radial force is necessary to prevent a race car from drifting on the curve at 175 mi/h? radial force: N
- An engineer wants to design an oval racetrack such that 3.20 x 10° lb racecars can round the exactly 1000 ft radius turns at 105 mi/h without the aid of friction. She estimates that the cars will round the turns at a maximum of 175 mi/h. Find the banking angle 0 necessary for the race cars to navigate the turns at 105 mi/h without the aid of friction. This banking and radius are very close to the actual turn data at Daytona International Speedway, where 3.20 x 10 lb stock cars travel around the turns at about 175 mi/h. What additional radial force is necessary to prevent a race car from drifting on the curve at 175 mi/h? radial force:Skid marks left by the driver are 56.0 m long and the roadway is level. Tires matching those on the car of the driver have been dragged over the same roadway to determine that the coefficient of kinetic friction between the tires and the roadway is 0.82 at all points along the skid mark. The speed limit on the road is 35 mi/hWhat is the smallest radius of an unbanked (flat) track around which a bicyclist can travel if her speed is 29 km/h and the ms between tires and track is 0.32?
- In a grand prix race of mass m= 600 kg as it travels on a fast track on a circular arc of radius r = 100 m because of the shape of the car and the wings on it. The passing air exerts a negative lift FL downward on the car. If the coefficient of static friction between the tire and the track is 0.75 and if the car is on the verge of sliding out of the turn when its speed is 28.6 m/s, what is the magnitude of the negative lift acting downward on the car?You are driving a car at a constant speed of 14.0 m/s along a straight level road. As you approach anintersection, the stoplight turns red and you slam on breaks and the wheels lock and you skid to a stop in25.0 m. What is the coefficient of kinetic friction between your tires and the road?A car of mass 622 kg is driving around a curve with a circular arc of radius 20 m. If the car drives at a speed of 12 m/s, what is the minimum value of the coefficient of friction between the car's tires and the road that will keep the car on the road?