Logo
Home Study Material Contact Search
AI Chat FREE
  1. sciences
  2. physics
  3. a curve of radius 69 mm is banked for a design spe

A curve of radius 69 mm is banked for a design speed of 76 km/hkm/h . Part...

80.2K

Verified Solution

Question

Physics

A curve of radius 69 mm is banked for a design speed of 76km/hkm/h .

Part A

If the coefficient of static friction is 0.28 (wet pavement), atwhat range of speeds can a car safely make the curve?[Hint: Consider the direction of the friction force whenthe car goes too slow or too fast.]

Express your answers using two significant figures. Enter youranswers numerically separated by a comma.

Answer & Explanation Solved by verified expert
4.5 Ratings (703 Votes)
v 76 kmh 21111 mssothe banking angle is found as arctan v2 gr arctan 211112 98 69 33388 degreeNowthere are two casesCase 1    See Answer
Get Answers to Unlimited Questions

Join us to gain access to millions of questions and expert answers. Enjoy exclusive benefits tailored just for you!

Membership Benefits:
  • Unlimited Question Access with detailed Answers
  • Zin AI - 3 Million Words
  • 10 Dall-E 3 Images
  • 20 Plot Generations
  • Conversation with Dialogue Memory
  • No Ads, Ever!
  • Access to Our Best AI Platform: Flex AI - Your personal assistant for all your inquiries!
Become a Member

Other questions asked by students

Statistics
1.2K views

In one​ community, a random sample of 2727 foreclosed homes sold for an average of ​$440 comma 396440,396 with...

Chemistry
1.2K views

1. Balance the following oxidation-reduction reactions using the half-reaction method and tell the number of electrons...

Biology
1.2K views

Which of the following is NOT a form of membrane transport A Osmosis B Sugar...

Geometry
1.2K views

In the triangle below ZR is a right angle Suppose that mZP 4x 23 and...

Basic Math
1.2K views

Determine whether each statement is true or false You have one submission for each statement...

Basic Math
1.2K views

The average monthly temperature, T, in degrees Celsius, for any month m, for the town...

Statistics
1.2K views

the monthly charges for cell phone plans are normally distributed with mean u deviation a...

Calculus
1.2K views

by setting the moving points correctly Provide your answer below 10 3 5 0 5...

Algebra
1.2K views

Write a system of equations to represent the problem Tickets to a movie cost 4...

Algebra
1.2K views

Interpreting a Linear Equation Lewis invested some money in an account The balance in the...

Algebra
1.2K views

1 1 point Is the expression below quadratic 5x 5c2 18 True False

Algebra
1.2K views

If possible find and enter the missing matrix If not possible enter DNE a 10...