2. It has been observed that a mothball of radius 1 cm evaporates to leave a ball of radius1/2 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?

We will use rate of evaporation ( change in surface area ) is proportional to surface area formed a…

Answered: 2. It has been observed that a mothball…

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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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?