الكلام صار انه الي بحل هالسؤال الة 10 درجات
وانا قلت ما الي الا موقعي العزيز
ارجوكم
اعطوني الحل بسرعة
a student holds atuning fork oscillating at 256hz he walks towards awall at aconstant speed of 1.33 m/s
a/ what beat frequency does he observe between the tuning fork and its echo?????
b/ how fast must he walk away from the wall to obseve abeat frequncy of 5 hz ?????
الحل رجاءا