HomeworkLib
Question

3. A racecar drives along a circular track of radius 55m at a constant speed. The...

3. A racecar drives along a circular track of radius 55m at a constant speed. The curve is banked 30 and the coefficient of static friction between the car and the tires is . ° μ .7 s = 0

a. Without knowing the speed of the car, is it possible to know what the direction of friction is? Explain your reasoning.

b. What is the maximum speed the car can go without skidding?

science   physics   
0 0
Add a comment Improve this question Transcribed image text
Next > < Previous
Sort answers by oldest

Homework Answers

Answer #1

a) no

b) 32.82m/sec

0 0
Add a comment
Know the answer?
Add Answer to:
3. A racecar drives along a circular track of radius 55m at a constant speed. The...
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. Our experts will answer your question WITHIN MINUTES for Free.
Similar Homework Help Questions

  • 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

  • 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

  • The car travels at a constant speed on a circular banked track. The maximum possible speed of the...

    The car travels at a constant speed on a circular banked track. The maximum possible speed of the car is 65MPH. If the bank angle is β=15° and the coefficient of friction bétween the track and the tires is 0.8, find the radius of curyatúre of the tra ck. BOX IN YOUR ANSWERS 8 The car travels at a constant speed on a circular banked track. The maximum possible speed of the car is 65MPH. If the bank angle is...

  • An 800. kg racecar travels on a flat circular track of radius 250 m. Assuming the...

    An 800. kg racecar travels on a flat circular track of radius 250 m. Assuming the car moves with a constant speed of 45.0 m/s, find (a) its angular speed, (b) the magnitude and direction of its acceleration, and (c) the minimum static coefficient of friction, between the tires and the road, that keeps the car from slipping.

  • 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...

  • A 1500 kg car drives around a flat circular track at a constant speed of 75...

    A 1500 kg car drives around a flat circular track at a constant speed of 75 mi/hr. A 26,000-N static friction force provided by the tires is the only force acting toward the center of the circle. Use the given information to determine the radius of the track. 1 mile = 1609 meters.

  • 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 test driver attempts to drive a car with constant speed around a horizontal circular track...

    A test driver attempts to drive a car with constant speed around a horizontal circular track of radius R = 200 m. The coefficient of static friction of the tires perpendicular to the direction in which the car is traveling is µs = 0.05. Give the shortest possible lap time the driver can achieve.

  • A car is driving around a banked curve, with the road surface at an angle of...

    A car is driving around a banked curve, with the road surface at an angle of 10.0º. If the radius of curvature of the road is 30.0 m and the coefficient of static friction between the tires of the car and the road is 0.65, what is the maximum speed (in km/hr) the car can go without skidding?

  • A car travels around flat, un-banked, circular track with a maximum speed of 20 m/s. If...

    A car travels around flat, un-banked, circular track with a maximum speed of 20 m/s. If the coefficient of friction between the car tires and the track is 1.0, and the normal force between the car and the track is due to the weight of the car (no aerodynamic effects), what is the radius of the track?

ADVERTISEMENT
Free Homework Help App
Download From Google Play
Scan Your Homework
to Get Instant Free Answers
Need Online Homework Help?
Ask a Question
Get Answers For Free
Most questions answered within 3 hours.
ADVERTISEMENT
ADVERTISEMENT