Question
Thu March 01, 2012 By: Abhijeeth P

A strong transverse pulse created at one end of the string is observed to 5 up and down journeys along its length before fading out. The length of the string is 8m and the pulse take 20 seconds to complete these journeys. The speed of the pulse through the string is

Expert Reply
Fri March 02, 2012
The time taken for one journey is (5+45)/5 second i.e. 10 second Hence the speed of the pulse is (L/10) = 8/10 units
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