مشاهدة النسخة كاملة : sec 2physics ch 2


Hager1
03-11-2013, 04:37 PM
ارجو حل هذه الأسئلة

the frequency of a tone given by astretched string is 256 vib/s calculate the new frequency if
1- the lengh is reduced by third
2- the tension is increased by third
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aboy infront of a wall claps his hand at one second interval ,he hears the echoes after mid way between claps calculate the distance of the boy from the wall

goegmans
11-01-2014, 11:31 PM
شكرا جزيلا علي هذا المجهود

medhat5
24-01-2017, 09:54 PM
thankssssssssssssssss