Èçͼ1Êǽ»Á÷µçͨ¹ýÒ»¸ö±äѹÆ÷ʹСµÆÅݹ¤×÷µÄµç·ʾÒâͼ£¬±äѹÆ÷ÖеÄÌúо¾ùΪÓöà²ãÌúƬµþ·Å¶ø³ÉµÄÌúоA(ͼ2Ëùʾ)£®ÒÑÖª´Ë±äѹÆ÷Ô­¡¢¸±ÏßȦÔÑÊý±ÈÊÇ2£º1£¬µ±×ó²àÊäÈë¶Ë½Ó22 V½»Á÷µçʱ£¬ÓÒ²àÊä³ö¶Ë½ÓÒ»¶î¶¨µçѹΪ6 VµÄСµÆÅÝÇ¡ºÃÕý³£·¢¹â£®ÈôÓÃÒ»¿é´óСÏàͬµÄÍêÕûÌú¿éB(Èçͼ3Ëùʾ)Ìæ´úÒ»ÌõÌúоA£¬ÆäËû²¿·Ö²»±ä£¬ÔòСµÆÅÝÁÁ¶È½«ÈçºÎ±ä»¯

[¡¡¡¡]

A£®±äÁÁ»òÉÕ»µ

B£®±ä°µ

C£®±£³Ö²»±ä

D£®µÆÃðÁË

Á·Ï°²áϵÁдð°¸
Ïà¹ØÏ°Ìâ

¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º ÌâÐÍ£º

Èçͼ1Ëùʾ£¬Ò»´òµã¼ÆʱÆ÷¹Ì¶¨ÔÚбÃæÉ϶ˣ¬Ò»Ð¡³µÍÏ×Å´©¹ý´òµã¼ÆʱÆ÷µÄÖ½´ø´ÓбÃæÉÏ»¬Ï£®Èçͼ2ÊÇ´ò³öµÄÖ½´øµÄÒ»¶Î£¬ÓÉÓÚʵÑéÕß´ÖÐÄ£¬²»Ð¡ÐÄ°ÑÖ½´øŪ³ÉÁËÈý¶Î£¬µ«ÐÒºÃÕÒµ½ÁË×î³õºÍ×îºóÁ½¶Î£¬ÖмäÒ»¶Î¶ªÊ§ÁË£®ÒÑÖª´òµã¼ÆʱÆ÷ʹÓõĽ»Á÷µçƵÂÊΪ50Hz£¬¼´ÏÂͼÿÁ½¸ö¼ÆʱµãµÄʱ¼ä¼ä¸ôΪ0.02Ã룮¸ù¾ÝÈçͼ¸ø³öµÄÊý¾Ý£®

£¨1£©¼ÆËãС³µÍ¨¹ýAµãµÄËÙ¶ÈvA=
1.36
1.36
m/s£®
£¨2£©¼ÆËãС³µÍ¨¹ýBµãµÄËÙ¶ÈvB=
2.29
2.29
m/s£®
£¨3£©¼ÆËãС³µµÄ¼ÓËÙ¶Èa=
3.87
3.87
m/s2£®
£¨4£©¶ªÊ§µÄÖмäÒ»¶ÎÖ½´øÉÏÓ¦¸ÃÓÐ
3
3
¸ö¼Æʱµã£¨Ìî°¢À­²®Êý×Ö£©£®

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º ÌâÐÍ£º½â´ðÌâ

Èçͼ1Ëùʾ£¬Ò»´òµã¼ÆʱÆ÷¹Ì¶¨ÔÚбÃæÉ϶ˣ¬Ò»Ð¡³µÍÏ×Å´©¹ý´òµã¼ÆʱÆ÷µÄÖ½´ø´ÓбÃæÉÏ»¬Ï£®Èçͼ2ÊÇ´ò³öµÄÖ½´øµÄÒ»¶Î£¬ÓÉÓÚʵÑéÕß´ÖÐÄ£¬²»Ð¡ÐÄ°ÑÖ½´øŪ³ÉÁËÈý¶Î£¬µ«ÐÒºÃÕÒµ½ÁË×î³õºÍ×îºóÁ½¶Î£¬ÖмäÒ»¶Î¶ªÊ§ÁË£®ÒÑÖª´òµã¼ÆʱÆ÷ʹÓõĽ»Á÷µçƵÂÊΪ50Hz£¬¼´ÏÂͼÿÁ½¸ö¼ÆʱµãµÄʱ¼ä¼ä¸ôΪ0.02Ã룮¸ù¾ÝÈçͼ¸ø³öµÄÊý¾Ý£®

£¨1£©¼ÆËãС³µÍ¨¹ýAµãµÄËÙ¶ÈvA=______m/s£®
£¨2£©¼ÆËãС³µÍ¨¹ýBµãµÄËÙ¶ÈvB=______m/s£®
£¨3£©¼ÆËãС³µµÄ¼ÓËÙ¶Èa=______m/s2£®
£¨4£©¶ªÊ§µÄÖмäÒ»¶ÎÖ½´øÉÏÓ¦¸ÃÓÐ______¸ö¼Æʱµã£¨Ìî°¢À­²®Êý×Ö£©£®

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º²»Ïê ÌâÐÍ£ºÎÊ´ðÌâ

Èçͼ1Ëùʾ£¬Ò»´òµã¼ÆʱÆ÷¹Ì¶¨ÔÚбÃæÉ϶ˣ¬Ò»Ð¡³µÍÏ×Å´©¹ý´òµã¼ÆʱÆ÷µÄÖ½´ø´ÓбÃæÉÏ»¬Ï£®Èçͼ2ÊÇ´ò³öµÄÖ½´øµÄÒ»¶Î£¬ÓÉÓÚʵÑéÕß´ÖÐÄ£¬²»Ð¡ÐÄ°ÑÖ½´øŪ³ÉÁËÈý¶Î£¬µ«ÐÒºÃÕÒµ½ÁË×î³õºÍ×îºóÁ½¶Î£¬ÖмäÒ»¶Î¶ªÊ§ÁË£®ÒÑÖª´òµã¼ÆʱÆ÷ʹÓõĽ»Á÷µçƵÂÊΪ50Hz£¬¼´ÏÂͼÿÁ½¸ö¼ÆʱµãµÄʱ¼ä¼ä¸ôΪ0.02Ã룮¸ù¾ÝÈçͼ¸ø³öµÄÊý¾Ý£®

¾«Ó¢¼Ò½ÌÍø

£¨1£©¼ÆËãС³µÍ¨¹ýAµãµÄËÙ¶ÈvA=______m/s£®
£¨2£©¼ÆËãС³µÍ¨¹ýBµãµÄËÙ¶ÈvB=______m/s£®
£¨3£©¼ÆËãС³µµÄ¼ÓËÙ¶Èa=______m/s2£®
£¨4£©¶ªÊ§µÄÖмäÒ»¶ÎÖ½´øÉÏÓ¦¸ÃÓÐ______¸ö¼Æʱµã£¨Ìî°¢À­²®Êý×Ö£©£®

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º2011-2012ѧÄêÁÉÄþÊ¡ÉòÑôÊÐËÄУÁª¿¼¸ßÒ»£¨ÉÏ£©ÆÚÖÐÎïÀíÊÔ¾í£¨½âÎö°æ£© ÌâÐÍ£º½â´ðÌâ

Èçͼ1Ëùʾ£¬Ò»´òµã¼ÆʱÆ÷¹Ì¶¨ÔÚбÃæÉ϶ˣ¬Ò»Ð¡³µÍÏ×Å´©¹ý´òµã¼ÆʱÆ÷µÄÖ½´ø´ÓбÃæÉÏ»¬Ï£®Èçͼ2ÊÇ´ò³öµÄÖ½´øµÄÒ»¶Î£¬ÓÉÓÚʵÑéÕß´ÖÐÄ£¬²»Ð¡ÐÄ°ÑÖ½´øŪ³ÉÁËÈý¶Î£¬µ«ÐÒºÃÕÒµ½ÁË×î³õºÍ×îºóÁ½¶Î£¬ÖмäÒ»¶Î¶ªÊ§ÁË£®ÒÑÖª´òµã¼ÆʱÆ÷ʹÓõĽ»Á÷µçƵÂÊΪ50Hz£¬¼´ÏÂͼÿÁ½¸ö¼ÆʱµãµÄʱ¼ä¼ä¸ôΪ0.02Ã룮¸ù¾ÝÈçͼ¸ø³öµÄÊý¾Ý£®

£¨1£©¼ÆËãС³µÍ¨¹ýAµãµÄËÙ¶ÈvA=______m/s£®
£¨2£©¼ÆËãС³µÍ¨¹ýBµãµÄËÙ¶ÈvB=______m/s£®
£¨3£©¼ÆËãС³µµÄ¼ÓËÙ¶Èa=______m/s2£®
£¨4£©¶ªÊ§µÄÖмäÒ»¶ÎÖ½´øÉÏÓ¦¸ÃÓÐ______¸ö¼Æʱµã£¨Ìî°¢À­²®Êý×Ö£©£®

²é¿´´ð°¸ºÍ½âÎö>>

ͬ²½Á·Ï°²á´ð°¸