ÌâÄ¿ÄÚÈÝ
(1)ÔÚÑо¿µ¯»ÉµÄÐαäÓëÍâÁ¦µÄ¹ØϵµÄʵÑéÖУ¬½«µ¯»Éˮƽ·Å²â³öÆä×ÔÈ»³¤¶È£¬È»ºóÊúÖ±Ðü¹ÒÈÃÆä×ÔȻϴ¹£¬ÔÚÆä϶ËÊúÖ±ÏòÏÂÊ©¼ÓÍâÁ¦F£¬ÊµÑé¹ý³ÌÊÇÔÚµ¯»ÉµÄµ¯ÐÔÏÞ¶ÈÄÚ½øÐеġ¢ÓüǼµÄÍâÁ¦FÓ뵯»ÉµÄÐαäÁ¿x×÷³öµÄF£xͼÏßÈçͼËùʾ£¬ÓÉͼ¿ÉÖªµ¯»ÉµÄ¾¢¶ÈϵÊýΪ N/m¡¢Í¼Ïß²»¹ýÔµãµÄÔÒòÊÇÓÉÓÚ ¡£
(2)¢ÙijͬѧÉè¼ÆÁËÒ»¸ö̽¾¿Ð¡³µµÄ¼ÓËÙ¶ÈaÓëС³µËùÊÜÀÁ¦F¼°ÖÊÁ¿m¹ØϵµÄʵÑ飬ͼ¼×ΪʵÑé×°Öüòͼ¡£ËûÏëÓù³ÂëµÄÖØÁ¦±íʾС³µÊܵ½µÄºÏÍâÁ¦£¬ÎªÁ˼õСÕâÖÖ×ö·¨´øÀ´µÄʵÑéÎó²î£¬ÄãÈÏΪÏÂÁÐÄĶþÏî˵·¨ÊÇÕýÈ·µÄ£º
A¡¢ÒªÆ½ºâĦ²ÁÁ¦ B¡¢ÊµÑéʱ²»ÐèҪƽºâĦ²ÁÁ¦
C¡¢¹³ÂëµÄÖØÁ¦ÒªÔ¶Ð¡ÓÚС³µµÄ×ÜÖØÁ¦ D¡¢ÊµÑé½øÐÐʱӦÏÈÊÍ·ÅС³µÔÙ½ÓͨµçÔ´
¢ÚÈçͼÒÒËùʾÊÇij´ÎʵÑéÖеõ½µÄÒ»ÌõÖ½´ø£¬ÆäÖÐA¡¢B¡¢C¡¢D¡¢EÊǼÆÊýµã(ÿ´ò5¸öµãÈ¡Ò»¸ö¼ÆÊýµã)£¬¾àÀëÈçͼ£¬ÆäÖÐL1=3.07cm, L2=12.38cm, L3=27.87cm, L4=49.62cm¡£Ôò´òCµãʱС³µµÄËÙ¶ÈΪ_ ___m/s£»¼ÓËÙ¶ÈΪ_ ___m/s2¡£(¼ÆËã½á¹û¾ù±£ÁôÈýλÓÐЧÊý×Ö)
£¨1£©200 µ¯»É×ÔÉíÖØÁ¦µÄÓ°Ïì(ÿ¿Õ3·Ö)
£¨2£©AC 1.24 6.22
½âÎö:ÂÔ