The braking distance d, in meters, of a vehicle traveling at a velocity v, in meters per second, is given by the formula d = where u 2µg' is the coefficient of friction and g is the acceleration due to gravity. On Earth, gx9.8 m/s. Complete parts (a) and (b) below. (a) Determine the braking distance of a car traveling at 55 km/hr on dry pavement (µ = 0.80). (Be sure to convert the speed to meters per second.) The braking distance is about meters. (Simplify your answer. Round to the nearest integer as needed.) (b) Determine the braking distance of a car traveling at 63 mi/hr on wet pavement (µ = 0.45). Give the final %3D answer in feet. The braking distance is about feet.
The braking distance d, in meters, of a vehicle traveling at a velocity v, in meters per second, is given by the formula d = where u 2µg' is the coefficient of friction and g is the acceleration due to gravity. On Earth, gx9.8 m/s. Complete parts (a) and (b) below. (a) Determine the braking distance of a car traveling at 55 km/hr on dry pavement (µ = 0.80). (Be sure to convert the speed to meters per second.) The braking distance is about meters. (Simplify your answer. Round to the nearest integer as needed.) (b) Determine the braking distance of a car traveling at 63 mi/hr on wet pavement (µ = 0.45). Give the final %3D answer in feet. The braking distance is about feet.
Algebra and Trigonometry (6th Edition)
6th Edition
ISBN:9780134463216
Author:Robert F. Blitzer
Publisher:Robert F. Blitzer
ChapterP: Prerequisites: Fundamental Concepts Of Algebra
Section: Chapter Questions
Problem 1MCCP: In Exercises 1-25, simplify the given expression or perform the indicated operation (and simplify,...
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Transcribed Image Text:The braking distance d, in meters, of a vehicle traveling at a velocity v, in meters per second, is given by the
formula d =
2ug*
is the coefficient of friction and g is the acceleration due to gravity. On Earth,
where
gx9.8 m/s. Complete parts (a) and (b) below.
(a) Determine the braking distance of a car traveling at 55 km/hr on dry pavement (u = 0.80). (Be sure to convert
the speed to meters per second.)
The braking distance is about meters.
(Simplify your answer. Round to the nearest integer as needed.)
(b) Determine the braking distance of a car traveling at 63 mi/hr on wet pavement (u = 0.45). Give the final
answer in feet.
The braking distance is about
feet.
(Round to the nearest ten as needed.)
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