Experiment of December 17, 2019:

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

Solution video:



Which of the cards flies to the ground fastest?

A) The card with the coin in the middle falls fastest.

B) The card with the coin at the edge falls fastest.

C) Both cards fall equally fast.

D) The card with the coin on the edge begins to rotate.

Advice of the day:

Answer D) (coin begins to rotate) means a rotation comparable to the rotor of a helicopter.