If a Rock Is Thrown Upward on the Planet Mars $12 \mathrm {~m} / \mathrm { s }$

question 10

Multiple Choice

If a rock is thrown upward on the planet Mars with a velocity of $12 \mathrm {~m} / \mathrm { s }$ , its height in meters $t$ seconds later is given by
$$y = 12 t - 1.92 t ^ { 2 }$$
Find the average velocity over the time interval $[ 2,3 ]$ .

• A) \(- 0.6 \mathrm {~m} / \mathrm { s }\)
• B) \(4.4 \mathrm {~m} / \mathrm { s }\)
• C) \(2.4 \mathrm {~m} / \mathrm { s }\)
• D) \(3.4 \mathrm {~m} / \mathrm { s }\)
• E) \(1.4 \mathrm {~m} / \mathrm { s }\)

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Definitions:

Gross Amount

The gross amount is the total figure before any deductions are made, such as expenses, taxes, or discounts.

Journal Entries

Recorded transactions in the accounting journals that represent the financial activities of a company, detailing debits and credits for account adjustments.

Average Cost

A method of inventory valuation that calculates the cost of goods sold and ending inventory based on the weighted average cost of all items.

Cost Flow Assumption

An accounting principle that determines the method used to assign costs to inventory and to cost of goods sold, including FIFO, LIFO, and average cost methods.