ÌâÄ¿ÄÚÈÝ

¡¾ÌâÄ¿¡¿ÖÊÆ×ÒǵŤ×÷Ô­ÀíʾÒâͼÈçͼËùʾ¡£´øµçÁ£×Ó±»¼ÓËٵ糡¼ÓËٺ󣬽øÈëËÙ¶ÈÑ¡ÔñÆ÷¡£ËÙ¶ÈÑ¡ÔñÆ÷ÄÚÏ໥Õý½»µÄÔÈÇ¿´Å³¡ºÍÔÈÇ¿µç³¡µÄÇ¿¶È·Ö±ðΪBºÍE¡£Æ½°åSÉÏÓпÉÈÃÁ£×Óͨ¹ýµÄÏÁ·ìPºÍ¼Ç¼Á£×ÓλÖõĽºÆ¬A1A2¡£Æ½°åSÏ·½ÓдŸÐӦǿ¶ÈΪB0µÄÔÈÇ¿´Å³¡¡£ÏÂÁбíÊöÕýÈ·µÄÊÇ£¨ £©

A.ÖÊÆ×ÒÇÊÇ·ÖÎöͬλËصÄÖØÒª¹¤¾ß

B.ËÙ¶ÈÑ¡ÔñÆ÷ÖеĴų¡·½Ïò´¹Ö±Ö½ÃæÏòÍâ

C.ÄÜͨ¹ýÏÁ·ìPµÄ´øµçÁ£×ÓµÄËÙÂʵÈÓÚ

D.Á£×Ó´òÔÚ½ºÆ¬ÉϵÄλÖÃÔ½¿¿½üÏÁ·ìP£¬Á£×ӵıȺÉԽС

¡¾´ð°¸¡¿ABC

¡¾½âÎö¡¿

A£®½øÈë´Å³¡B0µÄÁ£×ÓÂú×ã

ÖªµÀÁ£×ÓµçÁ¿ºó£¬±ã¿ÉÇó³ömµÄÖÊÁ¿£¬ËùÒÔÖÊÆ×ÒÇ¿ÉÒÔÓÃÀ´·ÖÎöͬλËØ£¬¹ÊAÕýÈ·£»

B£®´øµçÁ£×Ó½øÈë´Å³¡ÖÐÏò×óƫת£¬ËùÊܵÄÂåÂ××ÈÁ¦Ïò×󣬴ų¡µÄ·½Ïò´¹Ö±Ö½ÃæÏòÍ⣬¸ù¾Ý×óÊÖ¶¨ÔòÖª£¬¸ÃÁ£×Ó´øÕýµç¡£¸ÃÁ£×ÓÔÚËÙ¶ÈÑ¡ÔñÆ÷ÖУ¬Êܵ½µç³¡Á¦·½ÏòˮƽÏòÓÒ£¬ÔòÂåÂ××ÈÁ¦·½Ïò±ØÐëˮƽÏò×󣬸ÃÁ£×Ó²ÅÄÜͨ¹ýËÙ¶ÈÑ¡ÔñÆ÷£¬¸ù¾Ý×óÊÖ¶¨ÔòÅжϿÉÖª´Å³¡·½Ïò´¹Ö±Ö½ÃæÏòÍ⣬¹ÊBÕýÈ·£»
C£®ÄÜͨ¹ýÏÁ·ìPµÄ´øµçÁ£×ÓÔÚËÙ¶ÈÑ¡ÔñÆ÷ÖÐ×öÔÈËÙÖ±ÏßÔ˶¯£¬ÔòÓÐ

qE=qvB

½âµÃ

¹ÊCÕýÈ·£»

D£®½øÈë´Å³¡µÄÁ£×ÓËÙÂÊÏàµÈ£¬Ôڴų¡ÖÐ

½âµÃ

¿ÉÖªrÓëÁ£×ӵĺÉÖʱȳɷ´±È£¬ÔòÁ£×Ó´òÔÚ½ºÆ¬ÉϵÄλÖÃÔ½¿¿½üÏÁ·ìP£¬°ë¾¶Ô½Ð¡£¬ºÉÖʱÈÔ½´ó£¬¹ÊD´íÎó¡£

¹ÊÑ¡ABC¡£

Á·Ï°²áϵÁдð°¸
Ïà¹ØÌâÄ¿

¡¾ÌâÄ¿¡¿Ä³ÎïÀíʵÑéС×é²ÉÓÃÈçͼ¼×ËùʾµÄ×°ÖÃÑо¿Æ½Å×Ô˶¯

£¨1£©°²×°ÊµÑé×°ÖõĹý³ÌÖУ¬Ð±²ÛÄ©¶ËµÄÇÐÏß±ØÐëÊÇˮƽµÄ£¬ÕâÑù×öµÄÄ¿µÄÊÇ_________

A£®±£Ö¤Ð¡Çò·É³öʱ£¬ËٶȼȲ»Ì«´ó£¬Ò²²»Ì«Ð¡ B£®±£Ö¤Ð¡Çò·É³öʱ£¬³õËÙ¶Èˮƽ

C£®±£Ö¤Ð¡ÇòÔÚ¿ÕÖÐÔ˶¯µÄʱ¼äÿ´Î¶¼ÏàµÈ D£®±£Ö¤Ð¡ÇòÔ˶¯µÄ¹ì¼£ÊÇÒ»ÌõÅ×ÎïÏß

£¨2£©Ä³Í¬Ñ§Ã¿´Î¶¼½«Ð¡Çò´Óб²ÛµÄͬһλÖÃÎÞ³õËÙÊÍ·Å£¬²¢´Óб²ÛÄ©¶Ëˮƽ·É³ö¡£¸Ä±äˮƽµ²°åµÄ¸ß¶È£¬¾Í¸Ä±äÁËСÇòÔÚ°åÉÏÂäµãµÄλÖ㬴Ӷø¿ÉÃè»æ³öСÇòµÄÔ˶¯¹ì¼£¡£Ä³Í¬Ñ§ÉèÏëСÇòÏȺóÈý´Î×öƽÅ×£¬½«Ë®Æ½°åÒÀ´Î·ÅÔÚÈçͼÒÒ1¡¢2¡¢3µÄλÖã¬ÇÒlÓë2µÄ¼ä¾àµÈÓÚ2Óë3µÄ¼ä¾à¡£ÈôÈý´ÎʵÑéÖУ¬Ð¡Çò´ÓÅ׳öµãµ½ÂäµãµÄˮƽλÒÆÒÀ´ÎΪx1¡¢x2¡¢x3£¬ºöÂÔ¿ÕÆø×èÁ¦µÄÓ°Ï죬ÏÂÃæ·ÖÎöÕýÈ·µÄÊÇ_________¡£

A£®x2-x1=x3-x2 B£®x2-x1£¼x3-x2 C£®x2-x1£¾x3-x2 D£®ÎÞ·¨ÅжÏ

£¨3£©Áíһͬѧͨ¹ýÕýÈ·µÄʵÑé²½Öè¼°²Ù×÷£¬ÔÚ×ø±êÖ½ÉÏÃè³öÁËСÇòˮƽÅ׳öºóµÄÔ˶¯¹ì¼£¡£²¿·ÖÔ˶¯¹ì¼£Èçͼ±ûËùʾ¡£Í¼ÖÐˮƽ·½ÏòÓëÊúÖ±·½ÏòÿС¸ñµÄ³¤¶È¾ùΪL£¬P1¡¢P2ºÍP3Êǹ켣ͼÏßÉϵÄ3¸öµã£¬P 1ºÍP 2¡¢P 2ºÍP 3Ö®¼äµÄˮƽ¾àÀëÏàµÈ¡£ÖØÁ¦¼ÓËÙ¶ÈΪg£®¿ÉÇó³öСÇò´ÓP 1Ô˶¯µ½P 2ËùÓõÄʱ¼äΪ_________£¬Ð¡ÇòÅ׳öʱµÄˮƽËÙ¶ÈΪ_________¡£

¡¾ÌâÄ¿¡¿Ä³Í¬Ñ§ÎªÌ½¾¿¡°ºÏÁ¦×ö¹¦ÓëÎïÌ嶯ÄܸıäµÄ¹Øϵ¡±Éè¼ÆÁËÈçÏÂʵÑ飬ËûµÄ²Ù×÷²½ÖèÈçÏ£º

(1)°´Í¼Á¬½ÓʵÑé×°Öã¬ÆäÖÐС³µÖÊÁ¿M=0.20kg£¬¹³Âë×ÜÖÊÁ¿m=0.05kg¡£

(2)ÊÍ·ÅС³µ£¬È»ºó½Óͨ´òµã¼ÆʱÆ÷µÄµçÔ´£¨µçԴƵÂÊΪf=50Hz£©£¬´ò³öÌõÖ½´ø¡£

(3)ËûÔÚ¶à´ÎÖظ´ÊµÑéµÃµ½µÄÖ½´øÖÐÈ¡³ö×ÔÈÏΪÂúÒâµÄÒ»Ìõ£¬ÈçͼËùʾ¡£°Ñ´òϵĵÚÒ»µã¼Ç×÷0£¬È»ºóÒÀ´ÎÈ¡Èô¸É¸ö¼ÆÊýµã£¬ÏàÁÚ¼ÆÊýµã¼ä»¹ÓÐ4¸öµãδ»­³ö£¬ÓÃÀåÃ׿̶ȳ߲âµÃ¸÷¼ÆÊýµãµ½0µã¾àÀë·Ö±ðΪd1=0.041m£¬d2=0.055m£¬d3=0.167m£¬d4=0.256m£¬d5=0.360m£¬d6=0.480m¡£Ëû°Ñ¹³ÂëÖØÁ¦×÷ΪС³µËùÊܺÏÁ¦£¨µ±µØÖØÁ¦¼ÓËÙ¶ÈgÈ¡9.8m/s2£©£¬Ëã³ö´òÏ¡°0¡±µãµ½´òÏ¡°5¡±µãÕâÒ»¹ý³ÌÖкÏÁ¦×ö¹¦W=____J£¨½á¹û±£ÁôÈýλÓÐЧÊý×Ö£©£¬´Ë¹ý³ÌµÄ¶¯ÄܸıäÁ¿µÄ±í´ïʽΪEk=______£¨ÓÃÏà¹ØÊý¾ÝÇ°×ÖĸÁÐʽ£©£¬ËãµÃEk=0.125J¡£

(4)´Ë´ÎʵÑé̽¾¿µÄ½á¹ûÆ«²îºÜ´ó£¬Ã»Äܵõ½¡°ºÏÁ¦¶ÔÎïÌå×öµÄ¹¦µÈÓÚÎïÌ嶯Äܵı仯¡±ÕâÒ»½áÂÛ¡£Í¨¹ý·´Ë¼£¬ËûÈÏΪ²úÉú½Ï´óÆ«²îµÄÔ­ÒòÈçÏ£¬ÆäÖпÉÄܵÄÊÇ___________¡£

A£®Ã»ÓÐƽºâĦ²ÁÁ¦£¬Ê¹µÃºÏÁ¦¶ÔÎïÌå×ö¹¦µÄ²âÁ¿Öµ±ÈÕæʵֵƫ´óÌ«¶à

B£®¹³ÂëÖÊÁ¿Ã»ÓÐԶСÓÚС³µÖÊÁ¿£¬Ê¹µÃºÏÁ¦¶ÔÎïÌå×ö¹¦µÄ²âÁ¿Öµ±ÈÕæʵֵƫ´óÌ«¶à

C£®ÏÈÊÍ·ÅС³µºó½Óͨ´òµç¼ÆʱÆ÷£¬Ê¹µÃ¶¯Äܱ仯Á¿µÄ²âÁ¿Öµ±ÈÕæʵֵƫС

D£®¼ÆËã¡°5¡±µãµÄ˲ʱËÙ¶Èʱ£¬Á½¼ÆÊýµã¼äʱ¼ä¼ä¸ôÎóÈ¡ÁË0.08s

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

¾«Ó¢¼Ò½ÌÍø