2. It has been observed that a mothball of radius 1 cm evaporates to leave a ball of radius 1/2 cm at the end of six months. (i) Find the radius as a function of time. (ii) After how many more months will it disappear altogether?
2. It has been observed that a mothball of radius 1 cm evaporates to leave a ball of radius 1/2 cm at the end of six months. (i) Find the radius as a function of time. (ii) After how many more months will it disappear altogether?
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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Transcribed Image Text:2. It has been observed that a mothball of radius 1 cm evaporates to leave a ball of radius
1/2 cm at the end of six months.
(i)
Find the radius as a function of time.
(ii)
After how many more months will it disappear altogether?
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