A 1200-Kg Ore Cart Is Rolling at 10

question 20

Multiple Choice

A 1200-kg ore cart is rolling at 10.8 m/s across a flat friction-free surface. A crane suddenly drops 858 kg of ore vertically into the cart. How fast does the cart move just after being loaded with the ore?

• A) 4.20 m/s
• B) 3.80 m/s
• C) 5.70 m/s
• D) 6.30 m/s

---

Definitions:

Hunger

The discomfort, illness, or weakness caused by a lack of food, which may lead to malnutrition or starvation.

Farmers

Individuals or entities engaged in the practice of agriculture, cultivating land and raising crops or livestock for consumption or sale.

1990s

The decade spanning from January 1, 1990, to December 31, 1999, characterized by significant technological advancements and global political changes.

Oil Prices

The cost per barrel of crude oil, which fluctuates based on global supply and demand dynamics, geopolitical factors, and market speculation.