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please help fast all steps please Upload answer sheets Elaborate phase velocity and group velocity Calculate the group velocity when the two waves y1=10 sin

please help fast all steps please

Upload answer sheets Elaborate phase velocity and group velocity Calculate the group velocity when the two waves y1=10 sin (2nit-5x) and y2 = 15 sin (5Tit+5x) superpose. Once you upload files from your second device, click on Sync to

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