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.

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Definitions:

Trade Restrictions

Measures imposed by governments to control the flow of goods and services across borders, including tariffs, quotas, and import bans, often with the aim of protecting domestic industries.

Quantity Supplied

The total amount of a good or service that producers are willing and able to sell at a specific price over a defined period of time.

Producer Surplus

The difference between what producers are willing to accept for a good or service and what they actually receive, due to higher market prices.

Specific Tariff

A fixed fee charged on a per unit basis for a good imported into a country.