Physics

Problem

A small hydroelectric station delivers

2.16\times10^{12}\,\text{J}

of electrical energy to the grid in a 24-h period. a. (i) Convert this energy into kilowatt-hours. b. (ii) Determine the average electrical power output of the station in megawatts. c. (iii) A household typically requires

8.0\,\text{kWh}

of electrical energy per day. Estimate how many such households can be supplied by the station’s average daily output.

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