there is a man using for sexual purposes. he invites girls to his zoom and asks them to undress themselves and show him their bodies. I joined the zoom and I can confirm these accusations,. he has 2 usernames ( that I know of) and they are join17 and Indianboy129876554. pls copy and paste this on anything you can get your hands on, spread the word, and pls pls pls DONT join the zoom

The frequency of a tuning fork can be found by the method shown. a long tube open at both ends is submerged in a beaker of water, and the vibrating tuning fork is placed near the top of the tube. the length l of the air column is adjusted by moving the tube vertically. the sound waves generated by the fork are reinforced when the length of the air column corresponds to one of the resonant frequencies of the tube. the smallest value for l for which a peak occurs in sound intensity is 7 cm. l what is the frequency of the tuning fork? the speed of sound in air is 345 m/s. answer in units of hz