Use the Scenario Below for the Next Question $\times$ 10⁵ J
B) -5

question 14

Multiple Choice

Use the scenario below for the next question.
You were traveling north at speed vc in your car of mass m_c = 2000 kg through an intersection when you were struck by a light truck of mass m_t = 4000 kg traveling West. After the collision the two vehicles are stuck together and travel a distance of 20 m in the direction 30° N of W.
-If your speed is 72 km/h,what is the work done by friction in bringing the two vehicles to rest after the collision?

• A) -4.0 \(\times\) 10⁵ J
• B) -5.3 \(\times\) 10⁵ J
• C) - 8.0 \(\times\) 10⁵ J
• D) -1.3 \(\times\) 10⁶ J
• E) -1.6 \(\times\) 10⁶ J

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Definitions:

Marginal Tax Rate

The rate at which the last dollar of income is taxed, representing the tax rate applied to each additional dollar of income.

Average Tax Rate

The fraction of total income that is paid as taxes, calculated by dividing the total tax amount by the total income.

Progressive

Progressive, in an economic context, refers to a taxation or policy structure where the tax rate increases as the taxable base amount increases, often aimed at reducing income inequality.

Government Lotteries

A form of gambling operated by a state or government, often to raise funds for public projects.