What mass in grams is needed to vibrate the string linear

Last updated: 6/10/2023

What mass in grams is needed to vibrate the string linear mass density is 0 024 g cm and produce a standing vave shown in the picture below The frequency of the vibrator is 139 Hz and the length of the string is 55 cm Enter only the numerical value and must be a whole number pulley LH mass vibrator