Water Is Flowing at 4

question 35

Multiple Choice

Water is flowing at 4.0 m/s in a circular pipe. If the diameter of the pipe decreases to 1/2 its former value, what is the velocity of the water downstream?

• A) 1.0 m/s
• B) 2.0 m/s
• C) 8.0 m/s
• D) 16 m/s
• E) 4.0 m/s

---

Definitions:

Protectionism

The economic policy of restricting imports from other countries through methods like tariffs and quotas to protect domestic industries.

Frederic Bastiat

Frederic Bastiat was a 19th-century French economist and writer known for his advocacy of free markets, individual freedoms, and his critiques of socialism.

Balance-Of-Trade Deficit

A situation where a country's imports exceed its exports, leading to a negative balance in trade.

Coal

A fossil fuel used primarily for electricity generation and steel production, composed mostly of carbon.