3 2Asine 4 2A sin A sin 0 2 9 If the length of a...

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3 2Asine 4 2A sin A sin 0 2 9 If the length of a stretched string is shortened by 20 and the tension is increased by 21 then the frequency Let n initial frequency 1 Increases by 20 5 2 Increases by 37 5 3 Increases by 30 5 4 Decreases by 37 5 A tuning fork of known frequency 256 Hz makes CL 15 To make a st the equation another wave 1 Acos k 3 Acos ot 16 The vibratic conditions a ratio of freq

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