A 75-Kg Otter Slides Down a Hill, Starting from Rest at at the Top

question 13

Short Answer

A 7.5-kg otter slides down a hill, starting from rest at the top. The sloping surface of the
hill is 8.8 m long, and the top is 6.5 m above the base. If the speed of the otter at the
bottom of the hill is 9.2 m/s, how much energy was lost to nonconservative forces on the
hill?

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Definitions:

Earnings Rate

The rate at which a company generates income relative to assets, investments, or equity.

Internal Rate of Return

A metric used in financial analysis to estimate the profitability of potential investments, calculated as the rate of return that makes the net present value of all cash flows from a particular project equal to zero.

Compound Interest

A way of calculating interest whereby the charge is based on the initial principal amount as well as on the interest that has accumulated in prior periods of a loan or deposit.

Cash Inflow

Money received by a business, typically from operational, investing, and financing activities.