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How long does it take electrons to get from the car battery to the starting motor? assume the current is 137 a and the electrons travel through copper wire with cross sectional area 44.6 mm2 and length 75.7 cm . the mass density of copper is 8960 kg/m3 and the molar mass is 63.5 g/mol . avogadro’s number is 6.022 × 1023 . assume that each copper atom contributes one conduction electron. answer in units of min.
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