Question

Your friend hits one end of a 50.0 m long hollow copper pipe with a hammer while you are holding the other end. Which of the following will be true?

You will hear the sound of the hit first.

You will hear the sound and feel the vibration at the same time.

You will neither hear the sound nor feel the vibration because the pipe is too long.

You will feel the vibration in the copper first.

Answer 1

So,
You will neither hear the sound nor feel the vibration because the pipe is too long.