current needed to produce 1600 watts of power to start the motor.
Answer to Problem 11CFU
Explanation of Solution
Given information: On a cold day, a 12-volt car battery has a resistance of 0.02 ohms. The power available to start the motor is modeled by the equation
Calculation:
This is the equation that models the power hat starts the motor.
We’ll compute the current needed to produce 1600 watt of power.
We’ll subtract 1600 both sides
We’ll use quadratic formula to determine the currents.
Chapter 4 Solutions
Advanced Mathematical Concepts: Precalculus with Applications, Student Edition
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