• 2022-06-09
    两个波在一很长的弦线上传播。设其波动表式为[tex=14.286x2.143]YcGBtSb0n2QQNZ8br8RFjE9H9cQX3e3cDPHV/pk07T6iMt1HeLYyZxDmkJtGIvW0Qv+MX7okRJvYqFXDrX4KZg==[/tex] 单位[tex=0.429x1.357]plHcCtdncEdTzaEI1WHBQA==[/tex][tex=14.429x2.143]GK8CEH4zweU5P6xLHYIfimjt7FKRoJs2wdn77otRod/3o2h/onKq3KG0LbiPXXGH5ZWmsDo37+ZmP2Cmk7gxstkYCWcFLxL8+kDiqy4dVyQ=[/tex]单位[tex=0.429x1.357]plHcCtdncEdTzaEI1WHBQA==[/tex]求: 合成波的表达式;
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