please explain where 5/18 came from
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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please explain where 5/18 came from
Transcribed Image Text:Giv en
velocity
'A
5u km/nx
54x5
18
of
cax
%3D
%3D
VA
= 15 m/sec
velouity of cax
km/hx
81 x _5
18
81
%3D
VB =
22.5 j mlsec
Hence
Relative velocity is
VAB
VA - VB
(isi - 22.5j ) misee.
%3D
VAJB
(isi-22.5 j) misee.
%3D
Transcribed Image Text:3. Car A rounds a curve of 150-m radius at a
54 km/h at the instant
81 km/h but is
constant speed of
represented, car B is moving at
slowing down at the rate of M/s". Determine the
velocity and acceleration of car A as observed from
car B (A/B and d A/B).
A
y -
В
150 m
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