As gravel is being poured into a conical pile, its volume V changes with time. As a result, the height hand radius also change with time. Knowing that volume of the conical pile is V = ²³h the relationship with respect to time between volume and the changes in the radius and height is 0 = dV dt ○ = dV dt ○ = dV dt dr (2+2) 2rh dr dh (2²) 2r dh (2+²) dr (2².1+2rh) dh ○ = 1/27 dV dt

Functions and Change: A Modeling Approach to College Algebra (MindTap Course List)
6th Edition
ISBN:9781337111348
Author:Bruce Crauder, Benny Evans, Alan Noell
Publisher:Bruce Crauder, Benny Evans, Alan Noell
ChapterA: Appendix
SectionA.2: Geometric Constructions
Problem 10P: A soda can has a volume of 25 cubic inches. Let x denote its radius and h its height, both in...
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As gravel is being poured into a conical pile, its volume
V changes with time. As a result, the height ʼn and
radius r also change with time.
Knowing that volume of the conical pile is
V = ar²h
1
the relationship with respect to time between volume
and the changes in the radius and height is
dr
0 = = x (2/₁² + ₁²2 )
dV
dt
2rh
11
12 dh
dt
dt
0
0
dV
dr
dh
# = 3x (2²²)
2r
dt
dt dt
dV
dt
dV
=
=
dt 3
dh
x ( 2m +²2)
(2
2rh
dt
dr
x ( ₁2²-1 + 2 + 1 )
dh
Transcribed Image Text:As gravel is being poured into a conical pile, its volume V changes with time. As a result, the height ʼn and radius r also change with time. Knowing that volume of the conical pile is V = ar²h 1 the relationship with respect to time between volume and the changes in the radius and height is dr 0 = = x (2/₁² + ₁²2 ) dV dt 2rh 11 12 dh dt dt 0 0 dV dr dh # = 3x (2²²) 2r dt dt dt dV dt dV = = dt 3 dh x ( 2m +²2) (2 2rh dt dr x ( ₁2²-1 + 2 + 1 ) dh
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