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The starting motor of an automobile is turning too slowly, and the mechanic has to decide whether to replace the motor, the cable, or the 12 V battery. The mechanic turns on the motor and measures 11 V across the battery, 3.2 V across the cable, and a current of 45 A. What are the resistances of (a) the battery, (b) the cable, and (c) the motor?

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