This is the first of a set of questions that will involve some of the concepts and equipment integral to contemporary study of the Einstein theory of relativity.
The device shown in the photographs above consists of a small cup on the top of a long pole; a small ball that does not bounce is attached to the inside center of the cup by a soft spring.
The pole will be held about 50cm from the cup, released from rest, and caught just before the cup falls about 50cm (before the cup falls 50 cm and reaches the hand). The question is where the ball will be after the action stops.
After the pole is caught and everything comes to a stop, the ball will be:
By the way, you MUST clearly explain your answer and try to convince those who are inclined to differ with you.
Click here for Answer #223 after September 19, 2005.
