A Ball of Mass 5

question 14

Multiple Choice

A ball of mass 5.0 kg is suspended by two wires from a horizontal arm that is attached to a vertical shaft, as shown in the figure. The shaft is in uniform rotation about its axis. The rate of rotation is adjusted until the tensions in the two wires are EQUAL. At that speed, the radial acceleration of the ball is closest to

• A) 4.9 m/s².
• B) 5.9 m/s².
• C) 6.9 m/s².
• D) 7.9 m/s².
• E) 9.9 m/s².

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Definitions:

Prepaid Insurance

Insurance premiums paid in advance by a company, recorded as an asset on the balance sheet until the coverage period comes into effect.

Depreciation Expense

The allocated portion of the cost of a company's fixed assets that is written off each year, reflecting the asset's usage and wear and tear.

Insurance Premium

The amount paid periodically to an insurance company by policyholders for covering their risk.

Income Statement

The income statement is a financial document that reports a company's financial performance over a specific accounting period, detailing revenues, expenses, and net income.