ÌâÄ¿ÄÚÈÝ

¡¾ÌâÄ¿¡¿Ò»³¤Ä¾°åÖÃÓڹ⻬ˮƽµØÃæÉÏ£¬Ä¾°å×ó¶Ë·ÅÖÃһСÎï¿é£¬ÔÚľ°åÓÒ·½ÓÐһǽ±Ú£¬Èçͼ£¨¼×£©Ëùʾ¡£´Óijһʱ¿Ì¿ªÊ¼£¬Ð¡Îï¿éÓëľ°åÒ»ÆðÒÔ¹²Í¬ËÙ¶ÈÏòÓÒÔ˶¯£¬ÔÚÁíһʱ¿Ì£¬Ä¾°åÓëǽ±Ú·¢ÉúÅöײ£¨Åöײʱ¼ä¼«¶Ì£©¡£Åöײǰºóľ°åËٶȴóС²»±ä£¬·½ÏòÏà·´¡£Ô˶¯¹ý³ÌÖÐСÎï¿éʼÖÕδÀ뿪ľ°å¡£ÒÑ֪СÎï¿éÔÚľ°åÉÏÔ˶¯µÄͼÏßÈçͼ£¨ÒÒ£©Ëùʾ£¬Ð¡Îï¿éÓëľ°å¼äµÄ¶¯Ä¦²ÁÒòÊýΪ¦Ì=0.4£¬Ä¾°åµÄÖÊÁ¿ÊÇСÎï¿éÖÊÁ¿µÄ15±¶£¬ÖØÁ¦¼ÓËٶȴóСȡg=10m/s2¡£Çó£º

£¨1£©Í¼ÒÒÖÐËÙ¶ÈvµÄ´óС£»

£¨2£©Ä¾°åµÄ×îС³¤¶È£»

£¨3£©Í¼ÒÒÖеÄʱ¼ä²î£¨t2 - t1£©¡£

¡¾´ð°¸¡¿£¨1£©v=3.5m/s£¨2£©L=7.5m(3)t=1.875s

¡¾½âÎö¡¿£¨1£©£¨2£©¸ù¾ÝͼÏñ¿ÉÒÔÅж¨ÅöײǰСÎï¿éÓëľ°å¹²Í¬ËÙ¶ÈΪ£¬Åöײºóľ°åËÙ¶ÈˮƽÏò×󣬴óСҲÊÇ£¬¸ù¾ÝͼÏñÓÖ֪СÎï¿éÓëľ°å×îºóÓÖ¹²ËÙ£¬ËٶȴóСΪv£¬Éèľ°åµÄÖÊÁ¿ÎªM£¬Ð¡Îï¿éµÄÖÊÁ¿Îªm£¬Ä¾°åµÄ×îС³¤¶ÈΪL£¬

´ÓºÍǽÅöºóµ½¶þÕß¹²ËÙ£¬È¡Ïò×óµÄ·½ÏòΪÕý·½Ïò£¬ÓУº

½âµÃ£º £¬

£¨3£©Í¼ÒÒÖеÄʱ¼ä²î¼´ÊÇСÎï¿éÔÚľ°åÉÏÏà¶Ôľ°å»¬¶¯µÄʱ¼ä£¬É裬

¶ÔСÎï¿éÔÚľ°åÉÏÏà¶Ôľ°å»¬¶¯µÄ¹ý³Ì£¬È¡Ïò×óµÄ·½ÏòΪÕý·½Ïò£¬ÓУº

½âµÃ

Á·Ï°²áϵÁдð°¸
Ïà¹ØÌâÄ¿

¡¾ÌâÄ¿¡¿£¨1£©Óôòµã¼ÆʱÆ÷¿É²âÖ½´øÔ˶¯µÄʱ¼äºÍλÒÆ¡£ÏÂÃæÊÇûÓа´²Ù×÷˳ÐòдµÄʵÑé²½Ö裬°´ÕÕÄã¶ÔʵÑéµÄÀí½â£¬ÔÙ°´Êµ¼Ê²Ù×÷µÄºÏÀí˳Ðò£¬½«¸÷²½ÖèµÄ×Öĸ´úºÅдÔÚ¿Õ°×´¦¡£

A£®ÔÚµç´Å´òµã¼ÆʱÆ÷µÄÁ½½ÓÏßÖùÉÏ·Ö±ð½ÓÉϵ¼Ïߣ¬µ¼ÏßµÄÁíÒ»¶Ë·Ö±ð½ÓÔÚµÍѹ½»Á÷µçÔ´µÄÁ½¸ö½ÓÏßÖùÉÏ¡£

B£®°Ñµç´Å´òµã¼ÆʱÆ÷¹Ì¶¨ÔÚ×À×ÓÉÏ£¬ÈÃÖ½´ø´©¹ýÏÞλ¿×£¬²¢Ñ¹ÔÚ¸´Ð´Ö½µÄÏÂÃæ¡£

C£®Óÿ̶ȳ߲âÁ¿´Ó¼Æʱ¿ªÊ¼µãµ½×îºóÒ»¸öµã¼äµÄ¾àÀ릤x¡£

D£®ÇжϵçÔ´£¬È¡ÏÂÖ½´ø£¬¸ù¾Ý´òµÄµãÈ·¶¨Õâ¶ÎÖ½´ø¼Ç¼µÄʱ¼ä¦¤t¡£

E£®´ò¿ªµçÔ´¿ª¹Ø£¬ÔÙÓÃÊÖˮƽµØÀ­¶¯Ö½´ø£¬Ö½´øÉÏ´òÏÂһϵÁÐСµã¡£

F£®ÀûÓù«Ê½¼ÆËãÖ½´øÔ˶¯µÄƽ¾ùËٶȡ£

ʵÑé²½ÖèµÄºÏÀí˳ÐòÊÇ___________________¡£

£¨2£©ÈçͼÊÇijͬѧÔÚ×öÔȱäËÙÖ±ÏßÔ˶¯ÊµÑéÖлñµÃµÄÒ»ÌõÖ½´ø¡£

¢ÙÒÑÖª´òµã¼ÆʱÆ÷µçԴƵÂÊΪ50 Hz£¬ÔòÖ½´øÉÏÏàÁÚÁ½¸ö¼ÇʱµãµÄʱ¼ä¼ä¸ôΪ________¡£

¢ÚA¡¢B¡¢C¡¢DÊÇÖ½´øÉÏËĸö¼ÆÊýµã£¬Ã¿Á½¸öÏàÁÚ¼ÆÊýµã¼äÓÐËĸöµãûÓл­³ö£¬´ÓͼÖжÁ³öA¡¢BÁ½µã¼ä¾às£½________£»Cµã¶ÔÓ¦µÄËÙ¶ÈÊÇ________(¼ÆËã½á¹û±£ÁôÈýλÓÐЧÊý×Ö)¡£

¡¾ÌâÄ¿¡¿ÎïÀíÖдæÔÚ¡°Í¨Á¿¡±Õâ¸öÎïÀíÁ¿£¬¡°Í¨Á¿¡±µÄ¶¨ÒåÒªÓõ½¸ßµÈÊýѧ֪ʶ£®ÔÚ¸ßÖн׶Σ¬¶Ô¡°Í¨Á¿¡±µÄ¶¨Òå²ÉÓõÄÊǼòµ¥»¯´¦Àí·½·¨²¢¸¨ÒÔÐÎÏó»¯ÎïÀíÄ£ÐͽøÐÐÀí½â£®

£¨1£©¡°´ÅͨÁ¿¡±¾ÍÊÇÒ»ÖÖ³£¼ûµÄ¡°Í¨Á¿¡±£®ÔÚ¸ßÖн׶ÎÎÒÃÇÊÇÕâÑùÀ´¶¨Òå¡°´ÅͨÁ¿¡±µÄ£ºÉèÔڴŸÐӦǿ¶ÈΪµÄÔÈÇ¿´Å³¡ÖУ¬ÓÐÒ»¸öÓë´Å³¡·½Ïò´¹Ö±µÄƽÃ棬Ãæ»ýΪ£¬ÎÒÃÇ°ÑÓëµÄ³Ë»ý½Ð×ö´©¹ýÕâ¸öÃæ»ýµÄ´ÅͨÁ¿£¨Í¼1£©£¬¼ò³Æ´Åͨ£®ÓÃ×Öĸ±íʾ£¬Ôò£®´ÅͨÁ¿¿ÉÒÔÐÎÏóµØÀí½âΪ´©¹ýijһÃæ»ýµÄ´Å¸ÐÏßÌõÊýµÄ¶àÉÙ£®Èçͼ2Ëùʾ£¬¿Õ¼ä´æÔÚˮƽÏòÓÒµÄÔÈÇ¿´Å³¡£¬´Å¸ÐӦǿ¶È´óСΪ£®Ò»¸öÃæ»ýΪµÄ¾ØÐÎÏßȦÓëÊúÖ±Ãæ¼äµÄ¼Ð½ÇΪ£¬ÊÔÇó´©¹ý¸Ã¾ØÐÎÏßȦµÄ´ÅͨÁ¿£®

£¨2£©¡°µçͨÁ¿¡±Ò²ÊÇÒ»ÖÖ³£¼ûµÄ¡°Í¨Á¿¡±£®ÔÚ¶¨Òå¡°µçͨÁ¿¡±Ê±Ö»ÐèÒª°Ñ¡°´ÅͨÁ¿¡±ÖеĴŸÐӦǿ¶ÈÌ滻Ϊµç³¡Ç¿¶È¼´¿É£®ÇëͬѧÃdzä·ÖÔËÓÃÀà±ÈµÄ·½·¨½â¾öÒÔÏÂÎÊÌ⣮ÒÑÖª¾²µçÁ¦³£Á¿Îª£®

ͼ3 ͼ4

a£®Èçͼ3Ëùʾ£¬¿Õ¼ä´æÔÚÕýµãµçºÉ£¬ÒÔµãµçºÉΪÇòÐÄ×÷°ë¾¶ÎªµÄÇòÃ棬ÊÔÇóͨ¹ý¸ÃÇòÃæµÄµçͨÁ¿£®

b£®ÉÏÊöÇé¿öÓ³ÉäµÄÊǾ²µç³¡ÖС°¸ß˹¶¨Àí¡±£¬¡°¸ß˹¶¨Àí¡±¿ÉÒÔ´Ó¿âÂض¨Âɳö·¢µÃµ½ÑϸñÖ¤Ã÷£®¡°¸ß˹¶¨Àí¡±¿É±íÊöΪ£ºÍ¨¹ý¾²µç³¡ÖÐÈÎÒ»±ÕºÏÇúÃæµÄµçͨÁ¿µÈÓÚ±ÕºÏÇúÃæÄÚËùº¬µçºÉÁ¿ÓëµÄ³Ë»ý£¬¼´,ÆäÖÐΪ¾²µçÁ¦³£Á¿£®ÊÔ¸ù¾Ý¡°¸ß˹¶¨Àí¡±Ö¤Ã÷£ºÒ»¸ö°ë¾¶ÎªµÄ¾ùÔÈ´øµçÇòÌ壨»òÇò¿Ç£©ÔÚÍⲿ²úÉúµÄµç³¡£¬ÓëÒ»¸öλÓÚÇòÐĵġ¢µçºÉÁ¿ÏàµÈµÄµãµçºÉ²úÉúµÄµç³¡Ïàͬ£¬ÇòÍâ¸÷µãµÄµç³¡Ç¿¶ÈÒ²ÊÇ£¬Ê½ÖÐÊÇÇòÐĵ½¸ÃµãµÄ¾àÀ룬 ΪÕû¸öÇòÌåËù´øµÄµçºÉÁ¿£®

Î¥·¨ºÍ²»Á¼ÐÅÏ¢¾Ù±¨µç»°£º027-86699610 ¾Ù±¨ÓÊÏ䣺58377363@163.com

¾«Ó¢¼Ò½ÌÍø