A pool has a volume of 1000m3. At time t = 0 the pool is empty. We then fill the pool with water at a constant speed v = 2.4 m3 per minute. At the same time, water leaks out of the pool at a rate that is at all times proportional to the volume of water. The proportionality constantis a = 3 ·10^-3 minutt – 1. Let V (t) be the volume of water in the pool t minutes after we started filling water in the pool. a) Set up a differential equation that V (t) must satisfy. b) Solve the equation by the integrative factor method. c) Find when the pool is half full.

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
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A pool has a volume of 1000?3. At time ? = 0 the pool is empty. We then fill the pool with water at a constant speed ? = 2.4 ?3 per minute. At the same time, water leaks out of the pool at a rate that is at all times proportional to the volume of water. The proportionality constant is ? = 3 ∙10^−3 ?????? − 1. Let ? (?) be the volume of water in the pool t minutes after we started filling water in the pool.a) Set up a differential equation that ? (?) must satisfy.b) Solve the equation by the integrative factor method.c) Find when the pool is half full.

A pool has a volume of 1000m3. At time t = 0 the pool
is empty. We then fill the pool with water at a constant
speed v = 2.4 m3 per minute. At the same time, water
leaks out of the pool at a rate that is at all times
proportional to the volume of water. The
proportionality constantis a = 3 ·10^-3 minutt – 1.
Let V (t) be the volume of water in the pool t minutes
after we started filling water in the pool.
a) Set up a differential equation that V (t) must satisfy.
b) Solve the equation by the integrative factor method.
c) Find when the pool is half full.
Transcribed Image Text:A pool has a volume of 1000m3. At time t = 0 the pool is empty. We then fill the pool with water at a constant speed v = 2.4 m3 per minute. At the same time, water leaks out of the pool at a rate that is at all times proportional to the volume of water. The proportionality constantis a = 3 ·10^-3 minutt – 1. Let V (t) be the volume of water in the pool t minutes after we started filling water in the pool. a) Set up a differential equation that V (t) must satisfy. b) Solve the equation by the integrative factor method. c) Find when the pool is half full.
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