The Angular Velocity of a Rotating Turntable Is Given in Rad/s

question 25

Multiple Choice

The angular velocity of a rotating turntable is given in rad/s by ω(t) = 4.5 + 0.64t - 2.7t².What is its angular acceleration at t = 2.0 s?

• A)−10 rad/s²
• B)-5.0 rad/s²
• C)−5.4 rad/s²
• D)2.4 rad/s²
• E)3.1 rad/s²

---

Definitions:

Adjusting Entry

A journal entry made at the end of an accounting period to update the accounts for accurate financial reporting.

Straight-Line Method

The straight-line method is a depreciation technique that allocates an equal portion of the cost of an asset to each accounting period over its useful life.

Interest Expense

Interest expense is the cost incurred by an entity for borrowed funds over a period of time.

Adjusting Entry

An accounting procedure for updating the records of unrecorded expenses or revenues to ensure accurate financial statements.