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
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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](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fec025c00-f220-4ab4-bfa0-90aeae9f6cf1%2Ff2f98af7-cbbf-463a-a0c2-272d2a002fc7%2Fr3wz71m_processed.jpeg&w=3840&q=75)
Transcribed Image Text: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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