Two Balls of Equal Size Are Dropped from the Same

question 50

Multiple Choice

Two balls of equal size are dropped from the same height from the roof of a building. One ball has twice the mass of the other. When the balls reach the ground, how do the kinetic energies of the two balls compare?

• A)The lighter one has one fourth as much kinetic energy as the other does.
• B)The lighter one has one half as much kinetic energy as the other does.
• C)The lighter one has the same kinetic energy as the other does.
• D)The lighter one has twice as much kinetic energy as the other does.
• E)The lighter one has four times as much kinetic energy as the other does.

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Definitions:

Cost of Goods

The total expense incurred in the production of goods sold by a company, including raw materials and labor costs.

Income Statement

A financial statement that details a company's revenues and expenses over a specific period, showing the net profit or loss.

Administrative Expenses

Expenses related to the general operation of a business, like salaries of executive personnel, accounting department costs, and legal fees.

Eco-efficiency Measure

A metric to assess the economic and environmental performance of a process or product, aiming to achieve higher productivity while reducing environmental impacts.