A highway curve of radius 68.0 m is banked at 21.4 degree so that a car...

Question

Question

Answer 1

Answer #1

Given

R = 68 m

theta = 21.4

speed v = 26.4 m/s

from the relation

tan(theta) = (v^2 -( mue * R * g)) / (mue *v^2 + (R * g))

tan(21.4) = (26.4^2 -(mue * 68 * 9.8)) / ( mue * 26.4^2 + (68 * 9.8))

mue = 0.46

Add a comment

Answer 2

Similar Homework Help Questions

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 car of mass M = 800 kg traveling at 55.0 km/hour enters a banked turn...

A car of mass M = 800 kg traveling at 55.0 km/hour enters a banked turn covered with ice. The road is banked at an angle ?, and there is no friction between the road and the car's tires as shown in(Figure 1) . Use g = 9.80 m/s2 throughout this problem. Now, suppose that the curve is level (?=0) and that the ice has melted, so that there is a coefficient of static friction ? between the road and...
A car of mass M = 1300 kg traveling at 65.0 km/hour enters a banked turn...

A car of mass M = 1300 kg traveling at 65.0 km/hour enters a banked turn covered with ice. The road is banked at an angle θ, and there is no friction between the road and the car's tires as shown in (Figure 1) . Use g = 9.80 m/s2 throughout this problem. r= 91.43 m. Now, suppose that the curve is level (θ=0) and that the ice has melted, so that there is a coefficient of static friction μ...

The radius of curvature of a highway exit is r = 49.5 m. The surface of...

The radius of curvature of a highway exit is r = 49.5 m. The surface of the exit road is horizontal, not banked What is the minimum required value of the coefficient of static friction between the tires of the car and the surface of the road so that the car can safely exit the highway at a constant speed of 42.0 km/h without sliding?
PLEASE ANSWER PART B. THANKS! t Banked Frictionless Curve, and Flat Curve with Friction A car...

PLEASE ANSWER PART B. THANKS! t Banked Frictionless Curve, and Flat Curve with Friction A car of mass M 1500 kg traveling at 45.0 km/hour enters a banked turn covered with ice. The road is banked at an angle 6, and there is no friction between the road and the car's tires as shown in (Figure 1). Use g 9.80 m/s2 throughout this problem. of 2 Figure 1 Part A What is the radius r of the turn if 0...
A concrete highway curve of radius 70.0 m is banked at an 11 degree angle. What...

A concrete highway curve of radius 70.0 m is banked at an 11 degree angle. What is the maximum speed with which a 1200 kg rubber-tired car can take this curve without sliding? (Take the static coefficient of friction of rubber on concrete to be 1.0.)

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 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.
Banked curves are designed so that the radial component of the normal force on the car rounding

Banked curves are designed so that the radial component of the normal force on the car rounding the curve provides the centripetal force required to execute uniform clrcular motion and safely negotlate the curve. A car rounds a banked curve with banking angle θ-27.1° and radius of curvature 157 m. (a) It the coefficient of static friction between the car's tires and the road is -0.316, what is the range ot speeds for which the car can safely negotiate the turn...

If a curve with a radius of 90 m is properly banked for a car traveling...

If a curve with a radius of 90 m 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 96 km/h?