ÌâÄ¿ÄÚÈÝ
ijʵÑéС×éÔÚʵÑéÊÒÓÃÈçͼ¼×ËùʾµÄ×°ÖÃÀ´Ì½¾¿¸ßÖÐÎïÀí¿Î±¾ÉϵÄÈý¸öÁ¦Ñ§ÊµÑé
СÌâ1: ÓÃͼ¼×ʵÑé×°ÖÃÀ´Ñо¿ÎïÌå×öÔȱäËÙÖ±ÏßÔ˶¯£¬ÏȽÓͨ¼ÆʱÆ÷µÄµçÔ´(ƵÂÊΪ50 Hz)£¬ÔÙÊÍ·ÅÖ½´ø£¬ÔÚС³µºÍ³µÖз©ÂëµÄÖÊÁ¿M="l" kg¡¢É³ºÍɳͰµÄÖÊÁ¿m="l00g" µÄÇé¿öϵõ½ÈçͼÒÒËùʾµÄ´òµãÖ½´ø£¬ÒÑÖªOΪ´òµãÆðµã£¬A¡¢B¡¢CΪÈý¸öÏàÁڵļÆÊýµã£¬ÏàÁÚ¼ÆÊýµãÖ®¼ä»¹ÓÐËĸö´òµãûÓбê³ö£¬Ïà¹ØÊý¾ÝÈçͼËùʾ£¬sA="42.05" cm¡¢sB="51.55" cm, sC=" 62." 00cm£¬Ôò´òB µãʱС³µµÄËÙ¶ÈvB=____m/s£¬Ð¡³µÔ˶¯µÄ¼ÓËÙ¶Èa=____m/s2.(½á¹û±£Áô2 λÓÐЧÊý×Ö)
СÌâ2:ÈÔ¾ÉʹÓÃͼ¼××°Ö㬸Ã×éͬѧ̽¾¿¼ÓËÙ¶ÈÓëÖÊÁ¿¹Øϵʱ£¬±£³ÖɳºÍɳͰµÄÖÊÁ¿Ò»¶¨£¬¸Ä±äС³µ¼°³µÖз©ÂëµÄÖÊÁ¿£¬²â³öÏàÓ¦µÄ¼ÓËٶȣ¬²ÉÓÃͼÏó·¨´¦ÀíÊý¾Ý£¬ÎªÁ˱ȽÏÈÝÒ׵ؿ´³ö¼ÓËÙ¶ÈaÓëÖÊÁ¿M µÄ¹Øϵ£¬Ó¦×÷aÓë_______µÄ¹ØϵͼÏó.
СÌâ3:ÈôÒªÓôËʵÑé×°ÖÃÑé֤ɳºÍɳͰ¼°Ð¡³µ(º¬íÀÂë)×é³ÉµÄϵͳ»úеÄÜÊغ㣬ʵÑéÊý¾ÝÓ¦Âú×ãµÄ¹ØϵʽÊÇ¡£¡¾ÓÃ(l)ÖеķûºÅ±íʾ£¬²»ÒªÇó¼ÆËã½á¹û¡¿
СÌâ1: ÓÃͼ¼×ʵÑé×°ÖÃÀ´Ñо¿ÎïÌå×öÔȱäËÙÖ±ÏßÔ˶¯£¬ÏȽÓͨ¼ÆʱÆ÷µÄµçÔ´(ƵÂÊΪ50 Hz)£¬ÔÙÊÍ·ÅÖ½´ø£¬ÔÚС³µºÍ³µÖз©ÂëµÄÖÊÁ¿M="l" kg¡¢É³ºÍɳͰµÄÖÊÁ¿m="l00g" µÄÇé¿öϵõ½ÈçͼÒÒËùʾµÄ´òµãÖ½´ø£¬ÒÑÖªOΪ´òµãÆðµã£¬A¡¢B¡¢CΪÈý¸öÏàÁڵļÆÊýµã£¬ÏàÁÚ¼ÆÊýµãÖ®¼ä»¹ÓÐËĸö´òµãûÓбê³ö£¬Ïà¹ØÊý¾ÝÈçͼËùʾ£¬sA="42.05" cm¡¢sB="51.55" cm, sC=" 62." 00cm£¬Ôò´òB µãʱС³µµÄËÙ¶ÈvB=____m/s£¬Ð¡³µÔ˶¯µÄ¼ÓËÙ¶Èa=____m/s2.(½á¹û±£Áô2 λÓÐЧÊý×Ö)
СÌâ2:ÈÔ¾ÉʹÓÃͼ¼××°Ö㬸Ã×éͬѧ̽¾¿¼ÓËÙ¶ÈÓëÖÊÁ¿¹Øϵʱ£¬±£³ÖɳºÍɳͰµÄÖÊÁ¿Ò»¶¨£¬¸Ä±äС³µ¼°³µÖз©ÂëµÄÖÊÁ¿£¬²â³öÏàÓ¦µÄ¼ÓËٶȣ¬²ÉÓÃͼÏó·¨´¦ÀíÊý¾Ý£¬ÎªÁ˱ȽÏÈÝÒ׵ؿ´³ö¼ÓËÙ¶ÈaÓëÖÊÁ¿M µÄ¹Øϵ£¬Ó¦×÷aÓë_______µÄ¹ØϵͼÏó.
СÌâ3:ÈôÒªÓôËʵÑé×°ÖÃÑé֤ɳºÍɳͰ¼°Ð¡³µ(º¬íÀÂë)×é³ÉµÄϵͳ»úеÄÜÊغ㣬ʵÑéÊý¾ÝÓ¦Âú×ãµÄ¹ØϵʽÊÇ¡£¡¾ÓÃ(l)ÖеķûºÅ±íʾ£¬²»ÒªÇó¼ÆËã½á¹û¡¿
СÌâ1:
СÌâ2:
СÌâ3:
ÂÔ
Á·Ï°²áϵÁдð°¸
Ïà¹ØÌâÄ¿