Experiment of December 4, 2017:

The time to submit an answer is over. You can now view the solution of the experiment.

Solution video:

Experiment:

Question:

What does Ms. Santa notice when she taps the cup 45 degrees from the first position?

A) Both sounds are equally high in pitch.

B) The sound opposite to the handle is higher in pitch.

C) The sound opposite to the handle is quieter.

D) The sound opposite to the handle is lower in pitch.

Advice of the day:

Until 7:50 AM this morning, answers C and D were swapped between the movie and the web page. This is corrected now. Answers submitted earlier than this will be corrected automatically.