英文的物理题A certain rope has a length of 8m and a mass of 1.6kg.It is fixed on one end and held fixed at the other with a tension of 50N.What is the speed of waves on this rope?
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![英文的物理题A certain rope has a length of 8m and a mass of 1.6kg.It is fixed on one end and held fixed at the other with a tension of 50N.What is the speed of waves on this rope?](/uploads/image/z/2838118-22-8.jpg?t=%E8%8B%B1%E6%96%87%E7%9A%84%E7%89%A9%E7%90%86%E9%A2%98A+certain+rope+has+a+length+of+8m+and+a+mass+of+1.6kg.It+is+fixed+on+one+end+and+held+fixed+at+the+other+with+a+tension+of+50N.What+is+the+speed+of+waves+on+this+rope%3F)
英文的物理题A certain rope has a length of 8m and a mass of 1.6kg.It is fixed on one end and held fixed at the other with a tension of 50N.What is the speed of waves on this rope?
英文的物理题
A certain rope has a length of 8m and a mass of 1.6kg.It is fixed on one end and held fixed at the other with a tension of 50N.What is the speed of waves on this rope?
英文的物理题A certain rope has a length of 8m and a mass of 1.6kg.It is fixed on one end and held fixed at the other with a tension of 50N.What is the speed of waves on this rope?
let me try.Since the question is in English,i think i would give 翻译后是这样,题目不会做,很久没碰过物理题了.
某绳长8米和质量1.6公斤的。固定一端,另一端给予50N与张力。绳子的波速是多少?
就不翻译了,计算你自己来吧
natural frequency:f = (1 / 2π) * √ (k / m),其中 k=F/L=50N/8m
所以f = (1 / 2π) * √( (50N/8m )/ 1.6kg)
波长(人)=2*L=2*8m
速度: v=波长(人)*f