An Object with a Rest Mass Of $0.456 - \mathrm { kg }$

question 7

Multiple Choice

An object with a rest mass of $0.456 - \mathrm { kg }$ is moving at $1.20 \times 10 ^ { 8 } \mathrm {~m} / \mathrm { s }$ . What is the magnitude of its momentum? $\left( c = 3.00 \times 10 ^ { 8 } \mathrm {~m} / \mathrm { s } \right)$

• A) \(5.47 \times 10 ^ { 7 } \mathrm {~kg} \cdot \mathrm { m } / \mathrm { s }\)
• B) \(5.67 \times 10 ^ { 7 } \mathrm {~kg} \cdot \mathrm { m } / \mathrm { s }\)
• C) \(5.97 \times 10 ^ { 7 } \mathrm {~kg} \cdot \mathrm { m } / \mathrm { s }\)
• D) \(5.57 \times 10 ^ { 7 } \mathrm {~kg} \cdot \mathrm { m } / \mathrm { s }\)
• E) \(5.87 \times 10 ^ { 7 } \mathrm {~kg} \cdot \mathrm { m } / \mathrm { s }\)

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Definitions:

LIFO

An inventory valuation method where the last items added to inventory are considered the first ones sold during a period of time; stands for Last-In, First-Out.

FIFO

An accounting method for inventory valuation where the first items acquired are the first ones sold, standing for First In, First Out.

Inventory Turnover

A ratio showing how many times a company's inventory is sold and replaced over a specific period, indicating the efficiency in managing stock levels.

Days' Sales

A metric that estimates the average length of time it takes for a company to convert its accounts receivable into cash.