Question

A curve of radius 68 m is banked for a designed speed of 85km/h. If the...

A curve of radius 68 m is banked for a designed speed of 85km/h. If the coefficient of static friction is 0.30, at what range of speeds can a car safely make the curve? (You must show schematic and free-body diagrams, and apply Newton's 2nd law of motion.)

Science   Physics   
0 0
Add a commentTranscribed image text
Next >

Homework Answers

Answer #1

0 0
Know the answer?
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Log In

Sign Up

Not the answer you're looking for?
Ask your own homework help question
Similar Questions
A curve of radius 90 m is banked for a design speed of 80 km/h. If...
A curve of radius 90 m is banked for a design speed of 80 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? Minimum- ? km/h Maximum - ? km/h
A curve of radius 70 m is banked for a design speed of 100 km/h .If...
A curve of radius 70 m is banked for a design speed of 100 km/h .If the coefficient of static friction is 0.39 (wet pavement), at what range of speeds can a car safely make the curve? [Hint: Consider the direction of the friction force when the car goes too slow or too fast.]
A curve of radius 70 mm is banked for a design speed of 85 km/h ....
A curve of radius 70 mm is banked for a design speed of 85 km/h . If the coefficient of static friction is 0.40 (wet pavement), at what range of speeds can a car safely make the curve? [Hint: Consider the direction of the friction force when the car goes too slow or too fast.] Express your answers using two significant figures separated by a comma. vmin, vmax = ????? km/h
A curve of radius 30 m is banked so that a 950-kg car traveling at 25...
A curve of radius 30 m is banked so that a 950-kg car traveling at 25 miles per hour can 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 between the snowy road...
If a curve with a radius of 81 m is properly banked for a car traveling...
If a curve with a radius of 81 m is properly banked for a car traveling 67 km/h , what must be the coefficient of static friction for a car not to skid when traveling at 82 km/h ?
If a curve with a radius of 82 m is properly banked for a car traveling...
If a curve with a radius of 82 m is properly banked for a car traveling 75 km/h , what must be the coefficient of static friction for a car not to skid when traveling at 100 km/h ?
A curve of radius 20 m is banked so that a 1100 kg car traveling at...
A curve of radius 20 m is banked so that a 1100 kg car traveling at 30 km/h can round it even if the road is so icy that the coefficient of static friction is approximately zero. The acceleration of gravity is 9.81 m/s 2 . Find the minimum speed at which a car can travel around this curve without skidding if the coefficient of static friction between the road and the tires is 0.3. Answer in units of m/s.
A car rounds a 50 meter radius curve that is banked such that a car rounding...
A car rounds a 50 meter radius curve that is banked such that a car rounding it does not need friction at a speed of 12 m/s. What is the bank angle of the road? The coefficient of kinetic friction between the tires and the road is 0.5 and the coefficient of static friction between the tires and the road is 0.8. If the same road were flat (instead of banked), determine the maximum speed with which the coar could...
If a car takes a banked curve at less than the ideal speed, friction is needed...
If a car takes a banked curve at less than the ideal speed, friction is needed to keep it from sliding toward the inside of the curve (a real problem on icy mountain roads). (a) Calculate the ideal speed to take a 125-m radius curve banked at 14.0°. Did you draw a free body diagram and label all forces acting on a vehicle? km/h (b) What is the minimum coefficient of friction needed for a frightened driver to take the...
A car moving at 36 km/h negotiates a 140 m -radius banked turn designed for 60...
A car moving at 36 km/h negotiates a 140 m -radius banked turn designed for 60 km/h . What coefficient of friction is needed to keep the car on the road? Express your answer using two significant figures.
ADVERTISEMENT
Need Online Homework Help?

Get Answers For Free
Most questions answered within 1 hours.

Ask a Question
ADVERTISEMENT