[SOLVED] Physics Assignment Question Help! I've talked to numerous people who can not figure out this question, so if anyone has any ideas on how to do this question please help me! A tuning fork is struck and held next to a vibrating guitar string, and beats of frequency 3 Hz are heard. The guitar string is tightened slightly, and the beat frequency decreases to 2 Hz. What is the new frequency of the guitar string? Explain your reasoning.