A 1500-kg truck rounds an unbanked curve on the highway at a speed of 20.0 m/s....
Homework Answers
the coefficient must be static to avoid the car from skidding
max safe velocidad
v^2 = u r g
20^2 = u * 80* 9.8
u = 0.51
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1500-kg truck rounds an unbanked curve on the highway at a speed of
20.0 m/s....
picture. A 2,500 kg truck travels at 72.0 km/h and rounds an unbanked curve of radius...
picture.
A 2,500 kg truck travels at 72.0 km/h and rounds an unbanked curve of radius 80.0 m. The coefficient of static friction between the tires and the road is 0.700, b. Draw a free-body diagram and show all forces on the truck. Determine the force of friction required to keep the truck in the same lane? What is the maximum speed (in km/h) at which the truck can negotiate the cur safely without going off track? c.
A flat (unbanked) curve on a highway has a radius of 250 m
A flat (unbanked) curve on a highway has a radius of 250 m. A car successfully rounds the curve at a speed of 35 m/s but is on the verge of skidding out. a. Draw free body diagram of the car. b. If the coefficient of static friction between the car's tires and the road surface were reduced by a factor of 2, with what maximum speed could the car round the curve without slipping? c. Suppose the coefficient of friction were increased...
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 flat (unbanked) curve on a highway has a radius of 240 m . A car...
A flat (unbanked) curve on a highway has a radius of 240 m . A car successfully rounds the curve at a speed of 37 m/s but is on the verge of skidding out. Part A If the coefficient of static friction between the car’s tires and the road surface were reduced by a factor of 2, with what maximum speed could the car round the curve? Express your answer in meters per second to two significant figures. part B...
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...
QUESTION 24 A truck of mass 3000 kg moves around an unbanked corner of radius 81.2...
QUESTION 24 A truck of mass 3000 kg moves around an unbanked corner of radius 81.2 m. If the coefficient of static friction between the truck tires and the road is 0.800, what is the maximum speed that the truck can move without slipping, in units of m/s? QUESTION 25 Find the mass of an object, in units of kilograms, if a resultant force of 11.2 N will give it an acceleration of 2.00 m/s. QUESTION 26 What is the...
Question 8 5 pts What is the maximum speed with which a 1500 kg car can...
Question 8 5 pts What is the maximum speed with which a 1500 kg car can make a safe turn around a curve of diameter 20. m on a level (unbanked) road without sliding? Assume that the coefficient of static friction 0.90. and the coefficient of kinetic friction is 0.60. USe: g = 9.8 m/s2 7.7 m/s None of the provided answers are correct 9.4 m/s 18 m/s 14 m/s 13 m/s Previous Next → ... PUTSU...2.53 12019-10...5.58 AM
Two curves on a highway have the same radii. However, one is unbanked and the other...
Two curves on a highway have the same radii. However, one is
unbanked and the other is banked at an angle of degrees. A car can safely travel along the
unbanked curve at a maximum speed under conditions when the coefficient of
static friction between the tures and the road is . The banked curve is frictionless, and the
car can negotiate it at the same maximum speed . Find the coefficient of static friction
between the tires and the...
Answer all parts 2. A 1000 kg car rounds a curve of radius 50 m on...
Answer all parts
2. A 1000 kg car rounds a curve of radius 50 m on a flat road at a speed of 50 km/hr. Will the car make the turn or will it skid, if (support your answers with the appropriate calculations and results): a) (25 pts) The pavement is dryand the coefficient of static friction is μ,-0.60? fo too the co b) (25 pts) The pavement is icy and the coefficient of static friction is s 0.25? SKid
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...
picture.
A 2,500 kg truck travels at 72.0 km/h and rounds an unbanked curve of radius 80.0 m. The coefficient of static friction between the tires and the road is 0.700, b. Draw a free-body diagram and show all forces on the truck. Determine the force of friction required to keep the truck in the same lane? What is the maximum speed (in km/h) at which the truck can negotiate the cur safely without going off track? c.
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 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...
QUESTION 24 A truck of mass 3000 kg moves around an unbanked corner of radius 81.2 m. If the coefficient of static friction between the truck tires and the road is 0.800, what is the maximum speed that the truck can move without slipping, in units of m/s? QUESTION 25 Find the mass of an object, in units of kilograms, if a resultant force of 11.2 N will give it an acceleration of 2.00 m/s. QUESTION 26 What is the...
Question 8 5 pts What is the maximum speed with which a 1500 kg car can make a safe turn around a curve of diameter 20. m on a level (unbanked) road without sliding? Assume that the coefficient of static friction 0.90. and the coefficient of kinetic friction is 0.60. USe: g = 9.8 m/s2 7.7 m/s None of the provided answers are correct 9.4 m/s 18 m/s 14 m/s 13 m/s Previous Next → ... PUTSU...2.53 12019-10...5.58 AM
Answer all parts
2. A 1000 kg car rounds a curve of radius 50 m on a flat road at a speed of 50 km/hr. Will the car make the turn or will it skid, if (support your answers with the appropriate calculations and results): a) (25 pts) The pavement is dryand the coefficient of static friction is μ,-0.60? fo too the co b) (25 pts) The pavement is icy and the coefficient of static friction is s 0.25? SKid
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