An Object Is Attached to a Coiled Spring $= 8 \mathrm {~cm}$

question 243

Multiple Choice

An object is attached to a coiled spring. The object is pulled down (negative direction from the rest position) and
then released. Write an equation for the distance of the object from its rest position after t seconds.
-amplitude $= 8 \mathrm {~cm}$ ; period $= 4$ seconds

• A) \(\mathrm { d } = - 8 \cos \frac { 1 } { 2 } \pi \mathrm { t }\)
• B) \(d = - 4 \cos \frac { 1 } { 4 } \pi t\)
• C) \(d = - 8 \sin \frac { 1 } { 2 } \pi t\)
• D) \(\mathrm { d } = - 8 \cos \frac { \pi } { 4 } \mathrm { t }\)

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Definitions:

Inventory System

The methods and technologies used to keep track of the types, quantities, and locations of products a company has in stock.

Perpetual

Referring to a continuous inventory system where updates are made in real-time following each sale or purchase transaction.

Revenue

The total amount of money received by a company from its business activities, such as sales of goods or services, before any expenses are subtracted.

Cost Flow Assumptions

Accounting methods that determine how costs are assigned to inventory and cost of goods sold, such as FIFO, LIFO, and average cost.