a wire is attached to the top of a 6.5 meter tall flagpole and forms a 30 degree angle with the ground. Exactly how long is the wire?

Refer to interactive solution 17.45 to review a method by which this problem can be solved. the fundamental frequencies of two air columns are the same. column a is open at both ends, while column b is open at only one end. the length of column a is 0.504 m. what is the length of column b?

Hi i’m not sure how to do question 20 if u could explain how to do it that’d b great

Marcy is conducting a study regarding the amount of time students at her school spend talking to friends online. which group would give marcy the best results for her study?