Use the Scenario Below for the Next Question $\circ$ N of W

question 78

Multiple Choice

Use the scenario below for the next question.
You were traveling north at speed v_c 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 ^$\circ$ 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

---

Definitions:

Total Revenue

The total amount of money that is brought in by sales of goods or services.

Total Cost

The complete cost of production, encompassing both fixed and variable costs.

Marginal Revenue

The incremental revenue acquired by a business upon selling one more unit of a good or service.

Average Variable Cost

The total variable costs divided by the quantity of output produced, indicating the average amount spent on variable costs per unit of output.