A Small Lake Has a Surface Area of 10,000 M²

question 106

Multiple Choice

A small lake has a surface area of 10,000 m². Assuming that the average depth of the lake is 2 m, how much heat is released when the average temperature of the water in the lake drops by 1C°?

• A) 8.36 × 10¹⁰ J
• B) 8.36 × 10⁷ J
• C) 2.0 × 10⁸ J
• D) 2.0 × 10¹¹ J
• E) 8.36 × 10³ J

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Definitions:

Discount Rate

The interest rate charged by central banks for loans to commercial banks or the rate used in discounted cash flow analysis to determine the present value of future cash flows.

Federal Funds Rate

The Federal Funds Rate is the interest rate at which banks and credit unions lend reserve balances to other depository institutions overnight, set by the Federal Reserve.

Underwriting

involves the process of evaluating and assuming risk in financial transactions, notably in insurance and investments.

Insurance Company

A financial institution that provides coverage against specified risks in exchange for premiums, offering policies for health, life, property, and other forms of insurance.