A car is travelling at a flat circular track of radius 25 m and tries to...
A car is travelling at a flat circular track of radius 25 m and tries to go around at 40 m/sec. a) What should the coefficient of static friction be so the car won’t skid? b) Assume the same car is now travelling at a banked circular track at angle 25o , r=25 m and with same speed. What’s the value of the coefficient of static friction in order for the car not to slide down? c) What would the allowable max speed vmax be if now we assume zero friction at the banked curve?
Homework Answers
In this case necessary centripetal force of the car will be
provided by force of friction acting towards
center 
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A car is travelling at a flat circular track of radius 25 m and
tries to...
A car drives around a flat 119 m radius circular track at 20 m/s. Assume that...
A car drives around a flat 119 m radius circular track at 20 m/s. Assume that this speed is the maximum speed that the car can have without out "skidding out" of the curve.The car moves into the next curve. The radius of this new curve is twice as great as the previous. Assume the coefficient of static friction has not changed. Calculate the car's maximum speed in this curve. m/s
A car on a flat circular track with a radius of 1.00km completes a circuit every...
A car on a flat circular track with a radius of 1.00km completes a circuit every 100.0s. (a) What is the speed of the car in mph? (b) What is the centripetal acceleration of the car in m/s2? (c) On a rainy day, the car is traveling around the track with faster and faster speed. At 72.4 mph the car loses control and slides off the track. What is the coefficient of static friction?
10) A car is travelling around a circular level road with friction (traffic circle). The radius...
10) A car is travelling around a circular level road with friction (traffic circle). The radius of the circle is 4 meters and at a speed of 6.5 m/s the car just starts to skid off the road. What is the coefficient of static friction?
10) A car is travelling around a circular level road with friction (traffic circle). The radius...
10) A car is travelling around a circular level road with friction (traffic circle). The radius of the circle is 3 meters and at a speed of 4.1 m/s the car just starts to skid off the road. What is the coefficient of static friction?
You try drive a car with mass 470kg at 40km/h around a circular track of radius...
You try drive a car with mass 470kg at 40km/h around a circular track of radius 30m. A) What is the centripetal force on required to hold the car in this circular B) The track is banked at an angle of 12 degrees. What size is the friction force preventing the car sliding up the slope? C) If there is a coefficient of maximum static friction of 0.01, can you make the turn or will your car skid?
3. A car is driving at a speed of 20 m/sec on a circular horizontal flat...
3. A car is driving at a speed of 20 m/sec on a circular horizontal flat (unbanked) road of radius 200 m. (a) What minimum coefficient of static friction will permit the car to follow the circular path without skidding? (b) If the road had a radius of 32 m, what is the maximum speed of the car without skidding? (c) If the road was banked (not flat), could the car go faster? Explain your answer Possibly (but not necessarily)...
a car is travelling on with speed v=72 km/h around a banked cure of diameter d=...
a car is travelling on with speed v=72 km/h around a banked cure of diameter d= 190 m calculate the following: a. the centripetal acceleration of the car. b.the banked angle to keep the car from sliding assume no friction. c.assume the curve is leveled horizontally , determine the coefficient of static friction to keep the car from sliding d.Calculate the centeripetal force at the given spedd on a car of mass, m=1000 kg and a truck of mass m=12500...
To test the performance of its tires, a car travels along a perfectly flat (no banking)...
To test the performance of its tires, a car travels along a perfectly flat (no banking) circular track of radius 101 m. The car increases its speed at uniform rate of 3.56 m/s^2 until the tires start to skid. If the tires start to skid when the car reaches a speed of 16.9 m/s what is the coefficient of static friction between the tires and the road?
A 1500-kg car drives at 30 m/s around a flat circular track 300 m in diameter. What are the magnitude and direction of...
A 1500-kg car drives at 30 m/s around a flat circular track 300 m in diameter. What are the magnitude and direction of the net force on the car? Sort the following quantities as known, to find, or unneeded. Let m and v be the mass and speed of the car, respectively; μs is the coefficient of static friction, r is the radius of the circular path, n is the magnitude of the normal force acting on the car, and...
A racecar traveling at a constant speed of 50 m/s drives around a flat circular track...
A racecar traveling at a constant speed of 50 m/s drives around a flat circular track that is 1000 m in diameter. What is the magnitude of the coefficient of static friction between the road and the tires of the car? Group of answer choices 0.25 0.51 1.30 0.86
3. A car is driving at a speed of 20 m/sec on a circular horizontal flat (unbanked) road of radius 200 m. (a) What minimum coefficient of static friction will permit the car to follow the circular path without skidding? (b) If the road had a radius of 32 m, what is the maximum speed of the car without skidding? (c) If the road was banked (not flat), could the car go faster? Explain your answer Possibly (but not necessarily)...
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