Acoustics Practice 1. Graph the individual sine wave for the following equations. Graph each with a duration of 40ms and separately indicate the period. S1 = 3 sin (2x50t) $2 =2 sin (2x150t) 2. Graph the individual sine wave for the following equations. Graph each with a duration of 35ms and indicate the period. S1 = 6 sin (2x300t) $2 = 1 sin (2160t) 3. Based on the spectrum below graph two periods of the component sine waves and indicate the period. 1.5 Amptuic 0.5 Frequency (Hz) 4. Graph the individual sine wave for the following equations. Graph each with a duration of 4ms and indicate the period. $1 = 0.5 sin (2x1000t) $2 = 1 sin (2500t) $3 =2 sin (2x1500t) Draw the spectrum for the complex waveform that would be created by adding S1+$2+$3. 5 Calculate the RMS pressure for the following sounds where we measured the pressure in Pa. $1 =400 uPa, $2 = 20 uPa, $3 = 15000 uPa, $4 = 800 uPa