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Please answer theese questions briefly ;1. If a pulse is generated in slinky of length 2m and it moves 4 times in slinky within a time span of 10s and what is the speed of this pulse is ?2.how many vibration will a turning fork of frequency 280 hertz will complete during the time sound trands forward in air by 18cm.Speed of sound in air be 336m/sec |
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Answer» 1) length of slinky = 2m |
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