Physics, 03.05.2022 17:30 mjstew00763
Sound travels at 343m/s. Using your answer for number 13 as the frequency, what is the wavelength of the highest sound you can hear?
Answers: 1
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Why is the basic problem of economic, scarcity, a universal problem?
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1) a child holds two dogs on two separate leads. the dogs are pulling in different directions. one is pulling a force of 20n north and one is pulling 15n eastwards. calculate the resultant force on the child. state the direction. (use the parallelogram of forces) 2) a force of 20n acts horizontally on an object. a second force of 5n acts at 60 degrees to the first one. calculate the resultant force. worth 20 points, need answers asap with method you x
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Sound travels at 343m/s. Using your answer for number 13 as the frequency, what is the wavelength...
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