Jan and Len Throw Identical Rocks Off a Tall Building

question 22

Multiple Choice

Jan and Len throw identical rocks off a tall building at the same time.The ground near the building is flat.Jan throws her rock straight downward.Len throws his rock downward and outward such that the angle between the initial velocity of the rock and the horizon is 30°.Len throws the rock with a speed twice that of Jan's rock.If air resistance is negligible,which rock hits the ground first?

• A) They hit at the same time.
• B) Jan's rock hits first.
• C) Len's rock hits first.
• D) It is impossible to know from the information given.

---

Definitions:

Decoupling Inventory

Inventory kept in reserve to protect the production process from fluctuations in demand or supply, ensuring that operations can continue smoothly despite variability.

Consumption of Services

The process of using services provided by businesses or individuals, which can include anything from healthcare to recreational activities.

Contracts

Legally binding agreements between two or more parties that outline the terms and conditions of a transaction or arrangement.

Quality Standards

Established criteria or benchmarks that describe the characteristics of a product, service, or process to ensure it meets customer and regulatory requirements.