4u(t-60)= 3u(40) 1-60 30 %3D 1= 90 seconds Ans. %3D

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter2: Equations And Inequalities
Section2.7: More On Inequalities
Problem 44E
icon
Related questions
Question
100%
Plz explain the solution below...
wveleration during 0 to 20 seconds=
m/s
20
iven that at time / seconds, the speed of the
ar decreases from a m/s to m/s.
deceleration at seconds =
4.
m/s2
1-60
given that this deceleration is half of acceleration,
4.
%3D
2 20
1-60
4u-u
40
4(1-60)
4u(t-60) 3u(40)
%3D
1-60= 30
1= 90 seconds Ans.
2011/P1/Q21)
50
Transcribed Image Text:wveleration during 0 to 20 seconds= m/s 20 iven that at time / seconds, the speed of the ar decreases from a m/s to m/s. deceleration at seconds = 4. m/s2 1-60 given that this deceleration is half of acceleration, 4. %3D 2 20 1-60 4u-u 40 4(1-60) 4u(t-60) 3u(40) %3D 1-60= 30 1= 90 seconds Ans. 2011/P1/Q21) 50
Expert Solution
steps

Step by step

Solved in 2 steps with 2 images

Blurred answer
Knowledge Booster
Linear Equations
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, algebra and related others by exploring similar questions and additional content below.
Recommended textbooks for you
Algebra & Trigonometry with Analytic Geometry
Algebra & Trigonometry with Analytic Geometry
Algebra
ISBN:
9781133382119
Author:
Swokowski
Publisher:
Cengage
Functions and Change: A Modeling Approach to Coll…
Functions and Change: A Modeling Approach to Coll…
Algebra
ISBN:
9781337111348
Author:
Bruce Crauder, Benny Evans, Alan Noell
Publisher:
Cengage Learning