4. In a simple circuit like the one diagrammed here, the volage V in volts, the current I in amps, and the resistance R in ohms are related by the equation: V = IR ww If the current is increasing at a rate of - amps per second and the resistance is decreasing at a rate of 3 ohms per second, at what rate is the voltage changing at the moment when I = 20 amps and R = 15 ohms?

Calculus: Early Transcendentals
8th Edition
ISBN:9781285741550
Author:James Stewart
Publisher:James Stewart
Chapter1: Functions And Models
Section: Chapter Questions
Problem 1RCC: (a) What is a function? What are its domain and range? (b) What is the graph of a function? (c) How...
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4. In a simple circuit like the one diagrammed here, the volage V in volts,
the current I in amps, and the resistance R in ohms are related by the equation:
V =IR
1
If the current is increasing at a rate of - amps per second and the resistance is
2
decreasing at a rate of 3 ohms per second, at what rate is the voltage changing at the moment when I = 20
amps and R =
15 ohms?
Transcribed Image Text:4. In a simple circuit like the one diagrammed here, the volage V in volts, the current I in amps, and the resistance R in ohms are related by the equation: V =IR 1 If the current is increasing at a rate of - amps per second and the resistance is 2 decreasing at a rate of 3 ohms per second, at what rate is the voltage changing at the moment when I = 20 amps and R = 15 ohms?
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