A Firecracker Breaks Up into Two Pieces, One Has a Mass

question 64

Multiple Choice

A firecracker breaks up into two pieces, one has a mass of 200 g and flies off along the x-axis with a speed of 82.0 m/s and the second has a mass of 300 g and flies off along the y-axis with a speed of 45.0 m/s. What is the total momentum of the two pieces?

• A) 361 kg∙m/s at 56.3° from the x-axis
• B) 93.5 kg∙m/s at 28.8° from the x-axis
• C) 21.2 kg∙m/s at 39.5° from the x-axis
• D) 361 kg∙m/s at 0.983° from the x-axis
• E) 21.2 kg∙m/s at 56.3° from the x-axis

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Definitions:

Annual Variations

Fluctuations in economic indicators or values that occur on a yearly basis due to various factors such as seasonal patterns or cyclical trends.

Disposable Income

Households’ financial capacity for savings and expenditure after income tax obligations are met.

Consumption Spending

The total value of all goods and services consumed by households and individuals.

Household

A single person or a group of people living together in a single living accommodation, sharing meals or living space, and may operate as a single economic unit.