ÌâÄ¿ÄÚÈÝ
²â¶¨Ä¾¿éÓ볤ľ°åÖ®¼äµÄ¶¯Ä¦²ÁÒòÊýʱ£¬²ÉÓÃÈçͼËùʾµÄ×°Öã¬Í¼Öг¤Ä¾°åˮƽ¹Ì¶¨£®
£¨1£©ÊµÑé¹ý³ÌÖУ¬µç»ð»¨¼ÆʱÆ÷½ÓÔÚƵÂÊΪ50HzµÄ½»Á÷µçÔ´ÉÏ£®µ÷Õû¶¨»¬Âָ߶ȣ¬Ê¹ £®
£¨2£©ÒÑÖªÖØÁ¦¼ÓËÙ¶ÈΪg£¬²âµÃľ¿éµÄÖÊÁ¿ÎªM£¬íÀÂëÅ̺ÍíÀÂëµÄ×ÜÖÊÁ¿Îªm£¬Ä¾¿éµÄ¼ÓËÙ¶ÈΪa£¬Ôòľ¿éÓ볤ľ°å¼ä¶¯Ä¦²ÁÒòÊý¦Ì = £®
£¨3£©ÈçͼËùʾΪľ¿éÔÚˮƽľ°åÉÏ´ø¶¯Ö½´øÔ˶¯Ê±´ò³öµÄÒ»ÌõÖ½´øµÄÒ»²¿·Ö£¬0¡¢1¡¢2¡¢3¡¢4¡¢5¡¢6Ϊ¼ÆÊýµã£¬ÏàÁÚÁ½¼ÆÊýµã¼ä»¹ÓÐ4¸ö´òµãδ»³ö£®´ÓÖ½´øÉϲâ³öx1 =" 3.20" cm£¬x2 =" 4.52" cm£¬x5 =" 8.42" cm£¬x6 =" 9.70" cm£®Ôòľ¿é¼ÓËٶȴóСa = m/s2£¨±£Áô2λÓÐЧÊý×Ö£©£®
£¨1£©Ï¸ÏßÓ볤ľ°åƽÐУ¨2£©¦Ì = £¨3£©a =1.3 m/s2£¨±£Áô2λÓÐЧÊý×Ö£©
½âÎöÊÔÌâ·ÖÎö£º£¨1£©µ÷Õû¶¨»¬Âָ߶ȣ¬Ê¹Ï¸ÏßÓ볤ľ°åƽÐУ®ÒÔ±ã¼õС¹ý³ÌÖеÄĦ²Á£¬
£¨2£©¶Ôľ¿é¡¢íÀÂëÅ̺ÍíÀÂë½øÐÐÊÜÁ¦·ÖÎö£¬ÔËÓÃÅ£¶ÙµÚ¶þ¶¨Âɵãº
¶Ôľ¿é£º
¶ÔíÀÂëÅ̺ÍíÀÂ룺
ÓÉÉÏʽµÃ£º
£¨3£©ÏàÁÚÁ½¼ÆÊýµã¼ä»¹ÓÐ4¸ö´òµãδ»³ö£¬ËùÒÔÏàÁڵļÆÊýµãÖ®¼äµÄʱ¼ä¼ä¸ôΪ0.1s£¬¸ù¾ÝÔ˶¯Ñ§¹«Ê½µÃ£º£¬
¿¼µã£º±¾Ì⿼²éÁË̽¾¿Ó°ÏìĦ²ÁÒòËØÊÔÑé
µãÆÀ£ºÄܹ»´ÓÎïÀíÇé¾³ÖÐÔËÓÃÎïÀí¹æÂÉÕÒ³öÎïÀíÁ¿¼äµÄ¹Øϵ£®Òª×¢ÒⵥλµÄ»»ËãºÍÓÐЧÊý×ֵı£Áô£®