ÌâÄ¿ÄÚÈÝ
¡¾ÌâÄ¿¡¿Ä³Í¬Ñ§ÓÃÏÂͼËùʾװÖòⶨÖØÁ¦¼ÓËٶȣ¨ÒÑÖª´òµãƵÂÊΪ50Hz£©
(1) ʵÑéʱÏÂÃæµÄ²½ÖèÏȺó˳ÐòÊÇ________¡£
A£®ÊÍ·ÅÖ½´ø¡¡¡¡¡¡¡¡B£®´ò¿ª´òµã¼ÆʱÆ÷
(2) ´ò³öµÄÖ½´øÈçÏÂͼËùʾ£¬¿ÉÒÔÅжÏʵÑéʱÖØÎïÁ¬½ÓÔÚÖ½´øµÄ________¶Ë¡£(Ñ¡Ìî¡°×ó¡±»ò¡°ÓÒ¡±)¡£
(3) ÒÑÖªÖ½´øÉϼǼµÄµãΪ´òµã¼ÆʱÆ÷´òµÄµã£¬´òµã¼ÆʱÆ÷ÔÚ´òCµãʱÎïÌåµÄ˲ʱËٶȴóСΪ________m/s£¬Ëù²âµÃµÄÖØÁ¦¼ÓËٶȴóСΪ________m/s2¡£
(4) Èôµ±µØµÄÖØÁ¦¼ÓËÙ¶ÈÊýֵΪ9.8m/s2£¬ÇëÁгö²âÁ¿ÖµÓëµ±µØÖØÁ¦¼ÓËٶȵÄÖµÓвîÒìµÄÒ»¸öÔÒò________________________________¡£
¡¾´ð°¸¡¿BA ×ó 1.17m/s 9.75m/s2 Ö½´øÓë´òµã¼ÆʱÆ÷µÄĦ²Á£»¿ÕÆø×èÁ¦
¡¾½âÎö¡¿
£¨1£©Óôòµã¼ÆʱÆ÷×öʵÑéʱ£¬ÊµÑé²½ÖèÒªÇóÏȽÓͨµçÔ´£¬Èôòµã¼ÆʱÆ÷Õý³£¹¤×÷ºó£¬ÊÍ·ÅÖ½´ø£»
£¨2£©Ö½´øÓëÖØÎïÏàÁ¬µÄÄǶË×îÏÈ´òµã£¬¹ÊµãµÄ·Ö²¼±È½ÏÃܼ¯Ð©£»
£¨3£©ÇóÖ½´øÉÏijµãµÄ˲ʱËٶȿÉÓÃÓë֮ǰºóÏàÁÚµÄÁ½µã¼äµÄƽ¾ùËÙ¶ÈÀ´´úÌ棬Çó¼ÓËٶȿÉÒÔÓüÓËٶȵĶ¨Òåʽa£½Çó½â£¬Ò²¿ÉÒÔ¸ù¾Ýa£½Çó½â£»
£¨4£©ÓÉÓÚʵÑé¹ý³ÌÖÐÖØÎïÊܵ½¿ÕÆø×èÁ¦ºÍÏÞλ¿×ÓëÖ½´ø¼äµÄĦ²Á×èÁ¦µÈ×÷Óã¬ËùÇó¼ÓËٶȵÄֵƫС¡£
£¨1£©¸ù¾Ý´òµã¼ÆʱÆ÷µÄʹÓò½Ö裬ӦÏȽÓͨµçÔ´£¬ºóÊÍ·ÅÖ½´ø£¬¹Ê˳ÐòΪ£ºBA£»
£¨2£©Ö½´øÓëÖØÎïÏàÁ¬µÄÄǶË×îÏÈ´òµã£¬¹ÊµãµÄ·Ö²¼±È½ÏÃܼ¯Ð©£¬ËùÒÔÖØÎïÁ¬½ÓÔÚÖ½´øµÄ×ó¶Ë£»
£¨3£©
£¨4£©ÓÉÓÚʵÑé¹ý³ÌÖÐÖØÎïÊܵ½¿ÕÆø×èÁ¦ºÍÏÞλ¿×ÓëÖ½´ø¼äµÄĦ²Á×èÁ¦µÈ×÷Óã¬ËùÇó¼ÓËٶȵÄֵƫС¡£