Q.18 An automobile travelling at 25 m/s crests a of radius 625 m just as the driver slams on the brakes and skids to a stop. If the coefficient of friction between the car and the road is 0.7, find the car's deceleration at the instant the brakes are applied. [g = 10 m/s²]

Q.18 An automobile travelling at 25 m/s crests a of radius 625 m just as the driver slams on the brakes and skids to a stop. If the coefficient of friction between the car and the road is 0.7, find the car's deceleration at the instant the brakes are applied. [g = 10 m/s²]

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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Concept explainers

Basic Terminology in Mechanics

The area of science and mathematics concerned the motion of the objects, the relation between the force matter, and motion if specified. Forces exerted over the objects result in displacements or changes in the position of an object concerning its environment. This branch of physics keeps its roots in Ancient Greece in the form of the scripts of Aristotle and Archimedes.

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Q.18 An automobile travelling at 25 m/s crests a hill
of radius 625 m just as the driver slams on the
brakes and skids to a stop. If the coefficient of
friction between the car and the road is 0.7, find
the car's deceleration at the instant the brakes
are applied. [g = 10 m/s²]
(a) 3.3 m/s²
(c) 5.4 m/s²
r = 625 m
V = 25 m/s
(b) 4.5 m/s²
(d) 6.3 m/s²

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