A 2500 kg car encounters a banked, horizontal curve of diameter 240 m. The banking angle...

A 2500 kg car encounters a banked, horizontal curve of diameter 240 m. The banking angle is 7.5 degrees, and the coefficient of friction between the tires and the road is 0.80. (a) What is the maximum safe speed of the car? (b) What is the net force on the car in this case?

Solutions

Expert Solution

Please rate

genius_generous answered 2 months ago

Next > < Previous

Related Solutions

A car of mass 1110 kg enters a banked turn with a banking angle of 11.1°...

A car of mass 1110 kg enters a banked turn with a banking angle of 11.1° and a radius of 300 m at a speed of 30.0 m/s. The coefficient of static friction between the car’s wheels and the pavement is 0.0881. The turn covers a total of 1 45°. (a) If the car experiences a drag force that of D=kv where k=32.0kg/s, how much thrust must the car provide to maintain constant velocity in the turn? (b) If the...

A curve of radius 30 m is banked so that a 950 kg car travelling at...

A curve of radius 30 m is banked so that a 950 kg car travelling at 40 km/h can go round it even if the road is so icy that the coefficient of static friction is approximately zero. You are commissioned to tell the local police the range of speeds at which a car can travel around this curve without skidding. Neglect the effects of air drag and rolling friction. If the coefficient of static friction is 0.3, what is...

At an angle of 36.5deg with the horizontal, a ladder, with mass (m = 100.0 kg)...

At an angle of 36.5deg with the horizontal, a ladder, with mass (m = 100.0 kg) rests on a frictionless wall and on the ground with a friction coefficient (μS). a) What is the minimum value of the ladder-ground static friction coefficient if the ladder’s center of mass is located at a distance, 1/3 of its total length? b) A boy, with mass (m = 45.0 kg), uses the ladder to retrieve a bag of 5 basketballs, each with mass...

Problem: Car 1 (1000 kg) is traveling east at 8.0 m/s. Car 2 (2500 kg) is...

Problem: Car 1 (1000 kg) is traveling east at 8.0 m/s. Car 2 (2500 kg) is traveling west at 4.5 m/s. These two cars have a head-on collision. Car 2 recoils at 2.0 m/s. a) what is given/known? b) What is the linear momentum of Car 1 BEFORE the collision? c) What is the linear momentum of Car 2 BEFORE the collision? d) What is the linear momentum of the system ( car 1 and car 2) BEFORE the collision:...

An airplane is flying with a velocity of 240 m/s at an angle of 30.0° with...

An airplane is flying with a velocity of 240 m/s at an angle of 30.0° with the horizontal, as the drawing shows. When the altitude of the plane is 2.4 km, a flare is released from the plane. The flare hits the target on the ground. What is the angle θ?

A 2000-kg car is traveling at 20 m/s on a horizontal road and the engine suddenly...

A 2000-kg car is traveling at 20 m/s on a horizontal road and the engine suddenly is broken down. The brakes immediately are applied and the car skids to a stop in 4.0 s with a constant acceleration because of kinetic friction. What is the coefficient of kinetic friction between the tires and road?

Q. Spherical glass particles (12 mm diameter and 2500 kg/m 3 density) and spherical metal particles...

Q. Spherical glass particles (12 mm diameter and 2500 kg/m 3 density) and spherical metal particles (1.5 mm diameter and 7500 kg/m3) are falling in water (density= 1000 kg/m3) . (1) Calculate the terminal falling velocities of glass and metal particles in water for a constant friction factor of 0.22. (2) At what water velocity will fluidized beds of glass particles and metal particles have the same bed densities? The relation between fluidization velocity (uc), terminal velocity (ut) and bed...

A 910-kg sports car collides into the rear end of a 2500-kg SUV stopped at a...

A 910-kg sports car collides into the rear end of a 2500-kg SUV stopped at a red light. The bumpers lock, the brakes are locked, and the two cars skid forward 2.5 m before stopping. The police officer, estimating the coefficient of kinetic friction between tires and road to be 0.80, calculates the speed of the sports car at impact. What was the speed sports car at impact? Express your answer to two significant figures and include the appropriate units.

A 950 kg car turns around a curve of a radius 30 m on a level...

A 950 kg car turns around a curve of a radius 30 m on a level road. If the coefficient of static friction between the tires and the road is 0.55, how fast can the car go around the curve without sliding?

A curve of radius 90 m is banked for a design speed of 100 km/h. If...

A curve of radius 90 m is banked for a design speed of 100 km/h. If the coefficient of static friction is 0.30 (wet pavement), at what range of speeds can a car safely make the curve?

Subjects