ÌâÄ¿ÄÚÈÝ

¡¾ÌâÄ¿¡¿Èçͼ¼×Ëùʾ£¬ÖÊÁ¿M=0.2kgµÄƽ°å·ÅÔÚˮƽµØÃæÉÏ£¬ÖÊÁ¿m=0.1kgµÄÎï¿é£¨¿ÉÊÓΪÖʵ㣩µþ·ÅÔÚƽ°åÉÏ·½Ä³´¦£¬Õû¸öϵͳ´¦ÓÚ¾²Ö¹×´Ì¬£®ÏÖ¶Ôƽ°åÊ©¼ÓһˮƽÏòÓÒµÄÀ­Á¦£¬ÔÚ01.5sÄÚ¸ÃÀ­Á¦FËæʱ¼ätµÄ±ä»¯¹ØϵÈçͼÒÒËùʾ£¬1.5sÄ©³·È¥À­Á¦£®ÒÑÖªÎï¿éδ´Óƽ°åÉϵôÏ£¬ÈÏΪ×î´ó¾²Ä¦²ÁÁ¦Ó뻬¶¯Ä¦²ÁÁ¦´óСÏàµÈ£¬Îï¿éÓëľ°å¼äµÄ¶¯Ä¦²ÁÒòÊý¦Ì1=0.2£¬Æ½°åÓëµØÃæ¼äµÄ¶¯Ä¦²ÁÒòÊý¦Ì2=0.4£¬È¡g=10m/s2£®Çó£º

£¨1£©01sÄÚÎï¿éºÍƽ°åµÄ¼ÓËٶȴóСa1¡¢a2£»

£¨2£©1sÄ©Îï¿éºÍƽ°åµÄËٶȴóСv1¡¢v2ÒÔ¼°1.5sÄ©Îï¿éºÍƽ°åµÄËٶȴóСv1'¡¢v2'£»

£¨3£©Æ½°åµÄ×î¶Ì³¤¶ÈL£®

¡¾´ð°¸¡¿£¨1£©2m/s2£»3m/s2£»£¨2£©v1¡¢v2·Ö±ðÊÇ2m/sºÍ3m/s£» v1'¡¢v2'¶¼ÊÇ3m/s£»£¨3£©1.35m£®

¡¾½âÎö¡¿±¾Ì⿼²éÅ£¶ÙµÚ¶þ¶¨ÂÉ£¬Ä¦²ÁÁ¦£¬ÔȱäËÙÖ±ÏßÔ˶¯µÄ¹æÂÉ£¬¶ÔÎïÌåµÄÊÜÁ¦¼°¿ÉÄÜÔ˶¯Çé¿ö×÷³ö·ÖÎöºóÇó½â¡£

£¨1£©0£­1sÄÚ£®Îï¿éÓëƽ°å¼ä£¬Æ½°åÓëµØÃæ¼äµÄ»¬¶¯Ä¦²ÁÁ¦´óС·Ö„eΪ

£¬

¶ÔÎï¿éºÍƽ°åÓÉÅ£¶ÙµÚ¶þ¶¨ÂÉÓУº

£¬ÆäÖÐ

½âµÃ£® £®

£¨2£©0£­1sÄÚ£¨£©£¬Îï¿éÓëƽ°å¾ù×öÔȼÓËÙÖ±ÏßÔ˶¯£®ÓÐ

£¬

½âµÃ£º £¬

1s£­1.5sÄÚ£¨£©£¬ÓÉÓÚˮƽÏòÓÒµÄÀ­Á¦Ç¡ºÃÓëƽºâ£¬¹Êƽ°å×öÔÈËÙÖ±ÏßÔ˶¯£®Îï¿é¼ÌÐø×öÔȼÓËÙÖ±ÏßÔ˶¯Ö±ÖÁÓëľ°åËÙ¶ÈÏàͬ£®ÓУº

£¬

£¨3£©³·È¥À­Á¦Fºó£¬Îï¿éºÍƽ°åµÄ¼ÓËٶȴóС·Ö„eΪ£º

£¨1·Ö£©

Îï¿éºÍƽ°åÍ£ÏÂËùÓõÄʱ¼ä·Ö„eΪ£º

£¨1·Ö£©

¿É»­³öÎï¿é£®Æ½°åµÄËÙ¶Èһʱ¼äͼÏóÈçͼÌýʾ£®

¸ù¾Ý¡°ËٶȡªÊ±¼äͼÏóµÄÃæ»ý±íʾλÒÆ¡±¿ÉÖª£¬01.5sÄÚ£®Îï¿éÏà¶Ôƽ°åÏò×ó»¬ÐеľàÀëΪ£º

1.5s3sÄÚ£¬Îï¿éÏà¶Ôƽ°åÏòÓÒ»¬ÐеľàÀëΪ£º

ÓÉÓÚ£®¹Ê£º

Á·Ï°²áϵÁдð°¸
Ïà¹ØÌâÄ¿

¡¾ÌâÄ¿¡¿Ä³Í¬Ñ§ÀûÓÃͼ£¨a£©Ëùʾµç·²âÁ¿Á¿³ÌΪ2.5 VµÄµçѹ±íµÄÄÚ×裨ÄÚ×èΪÊýǧŷķ£©£¬¿É¹©Ñ¡ÔñµÄÆ÷²ÄÓУºµç×èÏäR£¨×î´ó×èÖµ99 999.9 ¦¸£©£¬»¬¶¯±ä×èÆ÷R1£¨×î´ó×èÖµ50 ¦¸£©£¬»¬¶¯±ä×èÆ÷R2£¨×î´ó×èÖµ5 k¦¸£©£¬Ö±Á÷µçÔ´E£¨µç¶¯ÊÆ3 V£©¡£¿ª¹Ø1¸ö£¬µ¼ÏßÈô¸É¡£

ʵÑé²½ÖèÈçÏÂ

¢Ù°´µç·ԭÀíͼ£¨a£©Á¬½ÓÏß·£»

¢Ú½«µç×èÏä×èÖµµ÷½ÚΪ0£¬½«»¬¶¯±ä×èÆ÷µÄ»¬Æ¬ÒƵ½Óëͼ£¨a£©ÖÐ×î×ó¶ËËù¶ÔÓ¦µÄλÖ㬱պϿª¹ØS£»

¢Ûµ÷½Ú»¬¶¯±ä×èÆ÷£¬Ê¹µçѹ±íÂúÆ«£»

¢Ü±£³Ö»¬¶¯±ä×èÆ÷»¬Æ¬µÄλÖò»±ä£¬µ÷½Úµç×èÏä×èÖµ£¬Ê¹µçѹ±íµÄʾÊýΪ2.00 V£¬¼Çϵç×èÏäµÄ×èÖµ¡£

»Ø´ðÏÂÁÐÎÊÌ⣺

£¨1£©ÊÔÑéÖÐӦѡÔñ»¬¶¯±ä×èÆ÷_______£¨Ìî¡°¡±»ò¡°¡±£©¡£

£¨2£©¸ù¾Ýͼ£¨a£©Ëùʾµç·½«Í¼£¨b£©ÖÐʵÎïͼÁ¬Ïß ¡£

£¨3£©ÊµÑé²½Öè¢ÜÖмǼµÄµç×èÏä×èֵΪ630.0 ¦¸£¬ÈôÈÏΪµ÷½Úµç×èÏäʱ»¬¶¯±ä×èÆ÷ÉϵķÖѹ²»±ä£¬¼ÆËã¿ÉµÃµçѹ±íµÄÄÚ×èΪ_______¦¸£¨½á¹û±£Áôµ½¸ö룩¡£

£¨4£©Èç¹û´Ëµçѹ±íÊÇÓÉÒ»¸ö±íÍ·ºÍµç×è´®Áª¹¹³ÉµÄ£¬¿ÉÍƶϸñíÍ·µÄÂú¿Ì¶ÈµçÁ÷Ϊ_____£¨ÌîÕýÈ·´ð°¸±êºÅ£©¡£

A£®100 ¦ÌA B£®250 ¦ÌA

C£®500 ¦ÌA D£®1 mA

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

¾«Ó¢¼Ò½ÌÍø