A Box of Mass M Is Pressed Against (But Is

question 305

Multiple Choice

A box of mass m is pressed against (but is not attached to) an ideal spring of force constant k and negligible mass,compressing the spring a distance x.After it is released,the box slides up a frictionless incline as shown in the figure and eventually stops.If we repeat this experiment but instead use a spring having force constant 2k

• A) the box will go up the incline twice as high as before.
• B) just as it moves free of the spring, the kinetic energy of the box will be twice as great as before.
• C) just as it moves free of the spring, the speed of the box will be times as great as before.
• D) All of the above choices are correct.
• E) None of the above choices is correct.

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Definitions:

Diminishing Returns

A principle stating that if one factor of production is increased while others remain constant, the overall returns will eventually decrease after a certain point.

Real GDP

Gross Domestic Product adjusted for inflation, providing a more accurate representation of an economy's size and how it's performing over time.

Foreign Direct Investment

A company or individual from one country deploying capital into business ventures or assets in another country, whether by setting up operations or purchasing business properties.

Economic Growth

An increase in the production of economic goods and services, compared from one period of time to another, often measured by GDP.