بوابة الثانوية العامة المصرية

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- Physics (https://www.thanwya.com/vb/forumdisplay.php?f=1270)

- - sec 2physics ch 2 (https://www.thanwya.com/vb/showthread.php?t=557717)

Hager1

03-11-2013 04:37 PM

sec 2physics ch 2

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

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