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New Tube stations at Battersea Power Station and Nine Elms to open 20 September | Battersea and Nine Elms London
A closed ended tube produces a 3rd resonance frequency of 200 Hz. If the speed of sound is 335 m/s, then what is the length of the tube? - Quora
15. A hollow cylindrical tube open at both ends is made of iron 3cm thick .if the external diameter be 56cm and the length of the tube be 182cm,find the number of
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