A Rocket Ship Is Coasting Toward a Planet

question 37

Multiple Choice

A rocket ship is coasting toward a planet.Its captain wishes to know the value of g at the surface of the planet.This may be inferred by:

• A)measuring the apparent weight of one of the crew
• B)measuring the apparent weight of an object of known mass in the ship
• C)measuring the diameter of the planet
• D)measuring the density of the planet
• E)observing the ship's acceleration and correcting for the distance from the center of the planet

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Definitions:

Initial Margin

The portion of the purchase price that an investor must deposit when buying securities on margin.

Purchase GM Stock

The action of buying shares in General Motors Company, an American multinational corporation that designs, manufactures, markets, and distributes vehicles and vehicle parts.

Shares

Shares represent units of ownership interest in a corporation or financial asset, providing an equal distribution in any profits, if any are declared, in the form of dividends.

Maintenance Margin

The minimum amount of equity that must be maintained in a margin account to avoid a margin call.