A 1000-Kg Space Probe Is Motionless in Space

question 57

Multiple Choice

A 1000-kg space probe is motionless in space.To start moving, its main engine is fired for 5 s during which time it ejects exhaust gases at 5000 m/s.At the end of this process it is moving at 20 m/s.The approximate mass of the ejected gas is:

• A)0.8 kg
• B)4 kg
• C)5 kg
• D)20 kg
• E)25 kg

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Definitions:

Common Stock

A type of security that represents ownership in a corporation, entitling the holder to vote at shareholders' meetings and receive dividends.

No-par Common Stock

Shares issued without a par value, allowing the company more flexibility in setting their price.

Paid-in Capital

The total amount of capital that shareholders have contributed to a company in exchange for shares of stock.

Fair Market Value

The price that a willing buyer and a willing seller agree upon when both parties have reasonable knowledge of the relevant facts and neither is under compulsion to buy or sell.