Solve the elementary applications of Differential equation: 1. Suppose that the quantity of a radioactive substance originally weighing Xo grams decomposes at a rate proportional to the amount present and the original quantity is left quantity is left after 1000 years is halved, find the time when the a

Calculus For The Life Sciences
2nd Edition
ISBN:9780321964038
Author:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Publisher:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Chapter11: Differential Equations
Section11.1: Solutions Of Elementary And Separable Differential Equations
Problem 59E: According to the solution in Exercise 58 of the differential equation for Newtons law of cooling,...
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Solve the elementary applications of Differential equation:

1. Suppose that the quantity of a radioactive substance originally weighing Xo grams decomposes at a rate proportional to the amount present and the original quantity is left quantity is left after 1000 years is halved, find the time when the amount is one-tenth of the original amount.

2. A series RL circuit with R = 50 Ohms and L = 10H has a constant voltage V = 100V at t = 0 by closing of a switch. Find the current at t = 0.5 seconds 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

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Calculus For The Life Sciences
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ISBN:
9780321964038
Author:
GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Publisher:
Pearson Addison Wesley,