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Problem 2: How long does it take electrons to get from the car battery to the starting motor? Assume the current is 115 A and the electrons travel through copper wire with cross sectional area 31.2 mm² and length 85.5 cm. The mass density of copper is 8920 kg/m³ and the molar mass is 63.5 g/mol.

Problem 2: How long does it take electrons to get from the car battery to the starting motor? Assume the current is 115 A and the electrons travel through copper wire with cross sectional area 31.2 mm² and length 85.5 cm. The mass density of copper is 8920 kg/m³ and the molar mass is 63.5 g/mol.

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Problem 2: How long does it take electrons to get from the car battery to the starting motor? Assume the current is 115 A and the electrons travel through copper wire with cross sectional area 31.2 mm² and length 85.5 cm. The mass density of copper is 8920 kg/m³ and the molar mass is 63.5 g/mol.
Transcribed Image Text:Problem 2: How long does it take electrons to get from the car battery to the starting motor? Assume the current is 115 A and the electrons travel through copper wire with cross sectional area 31.2 mm² and length 85.5 cm. The mass density of copper is 8920 kg/m³ and the molar mass is 63.5 g/mol.
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