Two Identical Balls Are at Rest Side by Side at the Bottom

question 56

Multiple Choice

Two identical balls are at rest side by side at the bottom of a hill. Some time after ball A is kicked up the hill, ball B is given a kick up the hill. Ball A is headed downhill when it passes ball B headed up the hill. At the instant when ball A passes ball B,

• A) it has the same position and velocity as ball B.
• B) it has the same position and acceleration as ball B.
• C) it has the same velocity and acceleration as ball B.
• D) it has the same displacement and velocity as ball B.
• E) it has the same position, displacement and velocity as ball B.

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Definitions:

Allowance for Doubtful Accounts

A contra-asset account used to estimate the portion of a company's accounts receivable that may ultimately be uncollectible.

Sales Discount

A reduction in the price of goods or services offered to customers, typically to prompt early payment or bulk purchases.

Gross Profit

The difference between sales revenue and the cost of goods sold, indicating the profitability of selling goods and services.

Net Income

The total profit of a company after all expenses and taxes have been deducted from total revenues.