Car On Roup Qn ter Dry wet Irg 5-DM A 2750kg car is braking while driving down a ramp,

University Physics Volume 1
18th Edition
ISBN:9781938168277
Author:William Moebs, Samuel J. Ling, Jeff Sanny
Publisher:William Moebs, Samuel J. Ling, Jeff Sanny
Chapter6: Applications Of Newton's Laws
Section: Chapter Questions
Problem 58P: Calculate the maximum acceleration of a car that is heading up a 4.00slope (one that makes an angle...
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I need help with e and f.   I do not have a friction table that was given.   I have tried submitting this question a few times.   I don't know what other info to provide.   This is all I have.   My bd is 11.   I don't understand question f at all. I did e but want to check my answers.  

Car On Roup
Ing
A 2750kg car is
braking while driving down a ramp,
whose angle is 5 degrees plus the day of
the month of your birth - if you were
born on the 15", your ramp angle is
20degrees.
Assume the car tires are rolling, not
sliding while braking, so use static
friction coefficients throughout, and the
car's acceleration is nonzero. Also
assume weight is distributed evenly over
all four tires, which all provide the same
amount of friction as each other - 4 of
the total.
Use friction coefficients for rubber on
concrete from the table in Chapter 5 of
your text, and for rubber on ice use the
shoes on ice coefficient.
A. What is your birthday of the month and
the ramp angle?
B. Sketch this problem.
C. Draw a complete and correct Free Body
Diagram for this problem. Label all
forces.
D. Write the equations of motion (N2x and
N2y).
E. Calculate the size and direction of all
forces and their components in terms of
the coefficient of static friction us.
F. (Three cases) What is the maximum
braking deceleration the tires can
provide to the car before they start
sliding if the road is
Dry? Wet??
ley???
Transcribed Image Text:Car On Roup Ing A 2750kg car is braking while driving down a ramp, whose angle is 5 degrees plus the day of the month of your birth - if you were born on the 15", your ramp angle is 20degrees. Assume the car tires are rolling, not sliding while braking, so use static friction coefficients throughout, and the car's acceleration is nonzero. Also assume weight is distributed evenly over all four tires, which all provide the same amount of friction as each other - 4 of the total. Use friction coefficients for rubber on concrete from the table in Chapter 5 of your text, and for rubber on ice use the shoes on ice coefficient. A. What is your birthday of the month and the ramp angle? B. Sketch this problem. C. Draw a complete and correct Free Body Diagram for this problem. Label all forces. D. Write the equations of motion (N2x and N2y). E. Calculate the size and direction of all forces and their components in terms of the coefficient of static friction us. F. (Three cases) What is the maximum braking deceleration the tires can provide to the car before they start sliding if the road is Dry? Wet?? ley???
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