Problem: Write a question you would see in a school textbook.

Answer: Which technology used to generate electrical power involves a trade-off between economical electricity and long-term waste disposal problems?

Problem: Write a question you would see in a school textbook.

Answer: Which of the following forms of energy can travel by vibrating particles of air?

Problem: Write a question you would see in a school textbook.

Answer:
A metal ball has a constant velocity of zero. Which other quantity must also be zero?