A 100%-Efficient Engine Is Being Used to Raise a 89-Kg

question 135

Short Answer

A 100%-efficient engine is being used to raise a 89-kg crate vertically upward at a steady
rate. If the power output of the engine is 1620 W, how long does it take the engine to lift
the crate a vertical distance of 18.7 m? Friction in the system is negligible.

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Definitions:

Equity Method

The equity method is an accounting technique used to record investments in other companies, typically reflecting the owning company's fair share of the investee's net income.

Cash Dividends

Payments made by a corporation to its shareholders, usually as a distribution of profits.

Investment Account

An account held at a financial institution that is used to hold securities, cash, and other investments in the financial markets.

Significant Influence

The capacity of an investor to affect the financial or operating policies of an investee, typically through ownership of a significant but not majority share.