An extension cord made of two wires of diameter 0.129 rm cm, Ask an Expert

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Q1. An extension cord made of two wires of diameter 0.129 {rm cm} (no. 16 copper wire) and of length 1.5 m (5 ft) is connected to an electric heater which draws 13.5 A on a 120-{rm V} line. How much power is dissipated in the cord?

Q2. Approximately 118 wide, 307 long, and averaging 279 in depth, Lake Michigan is the second largest Great Lake by volume. Calculate approximately its volume of water in cubic meters.

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