The Pacific halibut fishery has been modeled by the differential equation dy/dt=ky(1-y/m) where y(t) is the biomass (the total mass of the members of the population) in kilograms at time t (measured in years), the carrying capacity is estimated to be M = 6 × 107 kg, and k = 0.79 per year. (a) If y(0) = 2 × 107 kg, find the biomass a year later. (Round your answer to two decimal places.) × 107 kg (b) How long will it take for the biomass to reach 4 × 107 kg? (Round your answer to two decimal places.) yr
The Pacific halibut fishery has been modeled by the differential equation dy/dt=ky(1-y/m) where y(t) is the biomass (the total mass of the members of the population) in kilograms at time t (measured in years), the carrying capacity is estimated to be M = 6 × 107 kg, and k = 0.79 per year. (a) If y(0) = 2 × 107 kg, find the biomass a year later. (Round your answer to two decimal places.) × 107 kg (b) How long will it take for the biomass to reach 4 × 107 kg? (Round your answer to two decimal places.) yr
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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The Pacific halibut fishery has been modeled by the differential equation
dy/dt=ky(1-y/m)
where y(t) is the biomass (the total mass of the members of the population) in kilograms at time t (measured in years), the carrying capacity is estimated to be M = 6 × 107 kg, and k = 0.79 per year.
(a) If y(0) = 2 × 107 kg, find the biomass a year later. (Round your answer to two decimal places.)
× 107 kg
(b) How long will it take for the biomass to reach 4 × 107 kg? (Round your answer to two decimal places.)
yr
× 107 kg
(b) How long will it take for the biomass to reach 4 × 107 kg? (Round your answer to two decimal places.)
yr
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