A Rectangular Reservoir Is 2 Km Wide by 10 Km

question 9

Essay

A rectangular reservoir is 2 km wide by 10 km long. It is 50 m deep and
drains through a 93% efficient hydroelectric facility with an average head of 100 m.
(a) Calculate the total electrical energy that would be produced by the water in the reservoir.
(b) What is the value of the electricity that is generated at rate of $0.10 per kWh.
(c) If the electricity is used by a city with a population of 100,000 with a per-capita power requirement of 1 kWhe, how long would the electricity last?

---

Definitions:

Car Loan

A financial loan that consumers use specifically to buy a new or used car, typically secured against the car itself.

Interest Rate

The interest rate is the percentage of the loan amount that lenders charge borrowers as interest, usually represented as an annual percentage of the remaining loan balance.

Afford

The financial ability of an individual or organization to bear the cost of something without experiencing financial strain.

Borrowing

The act of receiving funds from another party with the agreement to repay the principal amount along with any agreed-upon interest or fees.