¡¾ÌâÄ¿¡¿ÒÀ¾ÝÎÄÖÐÄÚÈÝ£¬Çë»Ø´ðÏÂÁÐÎÊÌ⣺
±äËÙ×ÔÐгµµÄ°ÂÃØ
±äËÙ×ÔÐгµ¿ÉÒÔͨ¹ýµ÷½Ú²»Í¬µÄ¡°µµÎ»¡±À´Ó¦¶Ô²»Í¬µÄ·ÃæÇé¿ö¡ª¡ªÐèÒªÅÀÆÂʱ£¬¿ÉÒÔ½µµÍµµÎ»£¬´Ëʱ»á¸Ð¾õ×Ô¼ºÆïÆðÀ´¡°¸üÇáËÉ¡±£»µ½ÁËÏÂÆÂʱ£¬¿ÉÒÔÌáÉýµµÎ»£¬´Ëʱ»á¸Ð¾õ×Ô¼º¡°ÆïµÃ¸ü¿ì¡±¡£ÕâÖ®ÖеİÂÃØÔÚÄÄÀïÄØ£¬ÈÃÎÒÃÇÒ»ÆðÀ´Ì½¾¿°É£¡
ÈçͼËùʾÊDZäËÙ×ÔÐгµµÄÇý¶¯½á¹¹£¬ËüÓëÆÕͨ×ÔÐгµµÄÇø±ðÔÚÓÚ£¬ËüµÄºó³ÝÂÖÓɶà¸ö°ë¾¶²»Í¬µÄ³ÝÂÖ¹²Í¬×é³É(ÆÕͨ×ÔÐгµµÄºó³ÝÂÖÖ»ÓÐÒ»¸ö)¡£Ñ¡Ôñ²»Í¬µÄµµÎ»Ê±£¬×ÔÐгµµÄÁ´Ìõ»áµ÷Õûµ½ÏàÓ¦µµÎ»µÄºó³ÝÂÖÉÏ¡ª¡ªÑ¡ÔñµÍµµÎ»Ê±£¬Á´Ìõµ÷Õûµ½°ë¾¶½Ï´óµÄ³ÝÂÖÉÏ£»Ñ¡Ôñ¸ßµµÎ»Ê±£¬Á´Ìõµ÷Õûµ½°ë¾¶½ÏСµÄ³ÝÂÖÉÏ¡£
×ÔÐгµµÄÇ°³ÝÂֺͽÅ̤°å¹¹³ÉÒ»¸öÂÖÖáÐ͵ĸܸ˽ṹ£¬¶¯Á¦ÊÇÈ˸ø½Å̤°åµÄµÅÁ¦£¬×èÁ¦ÊÇÁ´Ìõ¶ÔÇ°³ÝÂÖµÄÀÁ¦£¬¶¯Á¦±ÛÊǽÅ̤°åµ½ÖáÐĵij¤¶È£¬×èÁ¦±ÛÊÇÇ°³ÝÂְ뾶£¬´Ëʱ¶¯Á¦±Û´óÓÚ×èÁ¦±Û£¬Òò´ËÊÇÒ»¸öÊ¡Á¦¸Ü¸Ë¡£×ÔÐгµµÄºó³ÝÂֺͺó³µÂÖ¹¹³ÉÁíÒ»¸öÂÖÖáÐ͵ĸܸ˽ṹ£¬¶¯Á¦ÊÇÁ´Ìõ¶Ôºó³ÝÂÖµÄÀÁ¦£¬×èÁ¦ÊǵØÃæ¸øºó³ÝÂÖµÄĦ²ÁÁ¦£¬¶¯Á¦±ÛÊǺó³ÝÂְ뾶£¬×èÁ¦±ÛÊǺó³µÂְ뾶£¬´Ëʱ¶¯Á¦±ÛСÓÚ×èÁ¦±Û£¬ÊÇÒ»¸ö·ÑÁ¦¸Ü¸Ë¡£
Æï×ÔÐгµÊ±£¬È˲ȽÅ̤°åһȦ£¬Ç°³ÝÂÖ¸ú×Åת¶¯Ò»È¦£¬´ø¶¯Á´Ìõת¶¯µÄ³¤¶ÈΪǰ³ÝÂÖµÄÖܳ¤¡£Óë´Ëͬʱ£¬Á´Ìõ´ø¶¯ºó³ÝÂÖת¶¯£¬ÓÉÓÚºó³ÝÂֵİ뾶СÓÚÇ°³ÝÂÖ£¬ÎªÁ˱£Ö¤Á´Ìõת¶¯µÄ³¤¶ÈÏàͬ£¬ºó³ÝÂÖ±ØÐëת¹ýµÄȦÊý´óÓÚÇ°³ÝÂÖ¡£ºó³ÝÂֵİ뾶ԽС£¬Ëüת¹ýµÄȦÊý¾ÍÔ½¶à¡£ºó³ÝÂÖͬʱ´ø¶¯ºó³µÂÖת¶¯£¬ËüÃÇת¶¯µÄȦÊý±£³ÖÒ»Ö¡£Òò´Ë£¬ºó³ÝÂÖԽС£¬½Å²ÈһȦ£¬ºó³µÂÖת¶¯µÄȦÊýÔ½¶à£¬¼´×ÔÐгµÇ°½øµÄ¾àÀëÔ½³¤¡£
ÔÚÅÀÆÂʱ£¬×ÔÐгµÊܵ½µÄĦ²Á×èÁ¦½Ï´ó£¬Òò´ËÐèÒª°Ñºó³ÝÂֵİ뾶(¶¯Á¦±Û)µ÷ÕûµÃ´óһЩ£¬ÒÔ´ïµ½Ïà¶ÔÊ¡Á¦µÄЧ¹û¡£ÔÚÏÂÆÂʱ£¬×ÔÐгµÊܵ½µÄĦ²Á×èÁ¦½ÏС£¬´ËʱΪÁËÈÃ×ÔÐгµ¸ü¿ìÇ°½ø£¬¿ÉÒÔ½«ºó³ÝÂֵİ뾶µ÷С¡£
(1)×ÔÐгµÇý¶¯½á¹¹ÖУ¬Ç°³ÝÂֺͽÅ̤°å×é³ÉÒ»¸ö___________________¸Ü¸Ë£¬ºó³ÝÂֺͺó³µÂÖ×é³ÉÒ»¸ö___________________¸Ü¸Ë(Ñ¡Ìî¡°Ê¡Á¦¡±¡¢¡°·ÑÁ¦¡±¡¢¡°µÈ±Û¡±)£»
(2)Æï×ÔÐгµÊ±£¬È˽ÅÓ¦¸ÃÏòʲô·½ÏòÓÃÁ¦²ÅÄÜ×îÊ¡Á¦ÄØ£¿ÇëÔÚͼÖл³ö×îÊ¡Á¦Ê±£¬È˽ŶԽÅ̤°åµÄÁ¦F(×÷Óõã»ÔÚ½Å̤°åÖÐÐÄ)£¬ÒÔ¼°Õâ¸öÁ¦¶ÔÓ¦µÄÁ¦±ÛL___________________£»(Ìáʾ£º½Å¿ÉÒÔÏò¸÷¸ö·½ÏòÓÃÁ¦²È½Å̤°å£¬½Å̤°å¿ÉÒÔͨ¹ýÐýתÀ´ÊÊÓ¦½ÅµÄÓÃÁ¦·½Ïò¡£)
(3)ÅÀÆÂʱ£¬Ó¦½«Á´Ìõµ÷ÕûÖÁ°ë¾¶½Ï________________(Ñ¡Ìî¡°´ó¡±»ò¡°Ð¡¡±)µÄºó³ÝÂÖÉÏ£¬´Ó¶ø´ïµ½Ïà¶ÔÊ¡Á¦µÄÄ¿µÄ£»
(4)Ç°³ÝÂֺͺó³ÝÂÖÔÚ¹²Í¬¹¤×÷ʱ£¬ÆäÌØÕ÷ÊÇ________________£»
A£®Ïàͬʱ¼äת¹ýµÄȦÊýÏàͬ
B£®Ïàͬʱ¼ä´ø¶¯Á´Ìõת¶¯µÄ³¤¶ÈÏàͬ
C£®Ïàͬʱ¼äת¹ýµÄȦÊýºÍ´ø¶¯Á´Ìõת¶¯µÄ³¤¶È¾ùÏàͬ
D£®Ïàͬʱ¼äת¹ýµÄȦÊýºÍ´ø¶¯Á´Ìõת¶¯µÄ³¤¶È¾ù²»Ïàͬ
(5)×ÔÐгµÔÚˮƽµÀ·ÉÏÐÐʻʱ£¬ºó³µÂÖËùÊܵÄĦ²Á×èÁ¦Ô¼Îª20N£¬Ò»Á¾×ÔÐгµºó³µÂֵİ뾶ԼΪ40cm£¬ÈôËü´ËʱÁ´Ìõ¹ÒÔÚÖм䵵λµÄºó³ÝÂÖÉÏ£¬Æä°ë¾¶Îª5cm£¬ÓÉÓÚÇ°³ÝÂÖÓëºó³ÝÂÖÓÉÁ´ÌõÁ¬½Ó£¬ËùÒÔÇ°¡¢ºó³ÝÂÖÊܵ½µÄÁ´ÌõµÄÀÁ¦Ïàͬ£¬ÈôÇ°³ÝÂֵİ뾶Ϊ10cm£¬½Å̤°åµ½ÖáÐĵij¤¶ÈΪ25cm£¬Ôò×ÔÐгµÔÈËÙÐÐʻʱ£¬È˵ųµµÄÁ¦ÖÁÉÙӦΪ________________N¡£
¡¾´ð°¸¡¿Ê¡Á¦ ·ÑÁ¦ ´ó B 64
¡¾½âÎö¡¿
(1)[1]×ÔÐгµÇý¶¯½á¹¹ÖУ¬Ç°³ÝÂֺͽÅ̤°å×é³ÉÒ»¸öÊ¡Á¦¸Ü¸Ë¡£
[2]ºó³ÝÂֺͺó³µÂÖ×é³ÉÒ»¸ö·ÑÁ¦¸Ü¸Ë¡£
(2)[3]×îÊ¡Á¦Ê±£¬È˽ŶԽÅ̤°åµÄÁ¦FÓ¦¸ÃÓëÁ¬¸Ë´¹Ö±£¬¶¯Á¦±ÛΪ½Å̤°åÖÐÐĵ½Ç°³ÝÂÖÔ²ÐĵľàÀ룬×÷ͼÈçͼËùʾ
¡£
(3)[4]ÅÀÆÂʱ£¬Ó¦¸ÃÊʵ±Ôö´ó¶¯Á¦±Û£¬Ó¦½«Á´Ìõµ÷ÕûÖÁ°ë¾¶½Ï´óµÄºó³ÝÂÖÉÏ£¬´Ó¶ø´ïµ½Ïà¶ÔÊ¡Á¦µÄÄ¿µÄ¡£
(4)[5]Ç°³ÝÂֺͺó³ÝÂÖÔÚ¹²Í¬¹¤×÷ʱ£¬ÊôÓÚÁ´Ìõ´«¶¯£¬ÆäÌØÕ÷ÊÇÏàͬʱ¼ä´ø¶¯Á´Ìõת¶¯µÄ³¤¶ÈÏàͬ¡£
¹ÊÑ¡B¡£
(5)[6]ºó³ÝÂֺͺó³µÂÖ×é³ÉµÄ¸Ü¸ËÖУ¬ÓɸܸËƽºâÌõ¼þ¿ÉÖª
¼´
½âµÃ
Ç°¡¢ºó³ÝÂÖÊܵ½µÄÁ´ÌõµÄÀÁ¦Ïàͬ£¬¼´
Ç°³ÝÂֺͽÅ̤°å×é³ÉµÄ¸Ü¸ËÖУ¬ÓɸܸËƽºâÌõ¼þ¿ÉÖª
¼´
½âµÃ
Ôò×ÔÐгµÔÈËÙÐÐʻʱ£¬È˵ųµµÄÁ¦ÖÁÉÙӦΪ64N¡£
Ä꼶 | ¸ßÖÐ¿Î³Ì | Ä꼶 | ³õÖÐ¿Î³Ì |
¸ßÒ» | ¸ßÒ»Ãâ·Ñ¿Î³ÌÍƼö£¡ | ³õÒ» | ³õÒ»Ãâ·Ñ¿Î³ÌÍƼö£¡ |
¸ß¶þ | ¸ß¶þÃâ·Ñ¿Î³ÌÍƼö£¡ | ³õ¶þ | ³õ¶þÃâ·Ñ¿Î³ÌÍƼö£¡ |
¸ßÈý | ¸ßÈýÃâ·Ñ¿Î³ÌÍƼö£¡ | ³õÈý | ³õÈýÃâ·Ñ¿Î³ÌÍƼö£¡ |
¿ÆÄ¿£º³õÖÐÎïÀí À´Ô´£º ÌâÐÍ£º
¡¾ÌâÄ¿¡¿Èçͼ¼×Ëùʾ£¬µçÔ´µçѹΪ9VÇÒ±£³Ö²»±ä£¬R1=30¦¸£¬±ÕºÏ¿ª¹Øºó£¬µçÁ÷±íµÄʾÊýÈçͼÒÒËùʾ£¬Çó£º
£¨1£©Í¨¹ýR1µÄµçÁ÷ÊǶàÉÙmA£¿
£¨2£©R2Á½¶ËµÄµçѹÊǶàÉÙV£¿
£¨3£©R2µÄµç×èÖµÊǶàÉÙ¦¸£¿
£¨4£©µ±¿ª¹Ø¶Ï¿ªÖ®ºó£¬R1µÄµç×èÖµ»á·ñ·¢Éú±ä»¯£¿ÎªÊ²Ã´£¿
²é¿´´ð°¸ºÍ½âÎö>>
¿ÆÄ¿£º³õÖÐÎïÀí À´Ô´£º ÌâÐÍ£º
¡¾ÌâÄ¿¡¿Ð¡Ã÷ºÍͬѧȡÁ½ÕŵȴóµÄͬÐͺÅÔ²ÐÎÖ½£¬·Ö±ð¼ôÈ¥Á½¸ö´óС²»µÈµÄÉÈÐÎÈçͼ¼×Ëùʾ£¬ÔÙ½«ËüÃÇ×ö³ÉͼÒÒËùʾµÄÁ½¸ö׶½Ç²»Í¬µÄ´óСֽ׶£¬½øÐÐֽ׶ÏÂÂä¿ìÂýµÄÑо¿¡£
Ô˶¯ÎïÌå | ¢Ù | ¢Ú | ËÙ¶Èv/ms-1 |
´óֽ׶ | |||
Сֽ׶ |
(1)ΪÁ˱ȽÏֽ׶ÏÂÂäµÃ¿ìÂý£¬°ÑÁ½¸öֽ׶ÄÃÖÁͼÒÒÑ¡¡°A¡±ËùʾµÄλÖÃÊÍ·Å£¬ÊÇΪÁË_________£¬Í¬Ê±¼Ç¼ֽ׶ÏÂÂäÖÁµØÃæµÄʱ¼ä£¬¾Í¿É±È½Ïֽ׶ÏÂÂäµÄ¿ìÂý¡£
(2)Èç¹ûÒª²âÁ¿Á½¸öֽ׶µÄÏÂÂäËٶȣ¬ÐèÒªµÄ²âÁ¿¹¤¾ßÓп̶ȳߺÍÃë±í£¬²ÎÕÕËٶȸñʽ£¬ÊµÑé±í¸ñÖТٺ͢ÚÁ½´¦Ó¦Ìîд________ºÍ__________¡£
(3)¹Û²ìֽ׶ÏÂÂäµÄ¿ìÂýʱ£¬Ð¡Ã÷±È½Ïֽ׶´Óͬһ¸ß¶ÈÏÂÂäµ½µØÃæµÄÏȺó£»ÄãÒ²¿ÉÒԱȽÏֽ׶´Óͬһ¸ß¶ÈÏÂÂä_________ËùÔ˶¯µÄ¾àÀ룻
(4)ÔÚ½ÓÏÂÀ´µÄ¡°²âÁ¿Ö½×¶ÏÂÂäµÄËٶȡ±»î¶¯ÖУ¬·¢ÏÖ_________£¨ÏÂÂäµÄʱ¼ä/ÏÂÂäµÄ·³Ì£©½ÏÄѲâ³ö£¬ÓÚÊÇÎÒÃǿɲÉÓÃÔö¼Ó_________½øÐÐʵÑé¡£
(5)Ïþ»ªµÄͬѧ²ÂÏëֽ׶´Óͬһ¸ß¶ÈÏÂÂäµÄ¿ìÂý¿ÉÄÜÓëֽ׶µÄ׶½Ç¡¢Ö½×¶µÄÇáÖØ(¼´ÖÊÁ¿)Óйأ¬²¢´òËãÓõÚ(1)ÌâÖеÄÁ½¸öֽ׶£¬Ñо¿Ö½×¶ÏÂÂä¿ìÂýÓë׶½ÇµÄ¹Øϵ£¬Ïþ»ªÈÏΪ²»¿Æѧ£¬ÄãÈÏΪÔÒò¿ÉÄÜÊÇ________¡£
²é¿´´ð°¸ºÍ½âÎö>>
¿ÆÄ¿£º³õÖÐÎïÀí À´Ô´£º ÌâÐÍ£º
¡¾ÌâÄ¿¡¿ÈçͼÊÇijÎïÖÊÓÉҺ̬±äΪ¹Ì̬¹ý³ÌζÈËæʱ¼ä±ä»¯µÄͼÏñ£¬ÏÂÁÐ˵·¨ÕýÈ·µÄÊÇ£¨ £©
A. t1 ʱ¿ÌÎïÌå·Ö×Ó¶¯ÄÜ±È t2 ʱ´ó B. t2¡¢t3 ʱ¿ÌÎïÌåÄÚÄÜÏàµÈ
C. t2 ʱ¿ÌÎïÌåÄÚÄÜ±È t3 С D. t4 ʱ¿ÌÎïÌåÄÚÄÜΪÁã
²é¿´´ð°¸ºÍ½âÎö>>
¿ÆÄ¿£º³õÖÐÎïÀí À´Ô´£º ÌâÐÍ£º
¡¾ÌâÄ¿¡¿Ò»¸öµ¯ÐÔСÇòÈçͼËùʾ£¬ÂäϺó×ÔÓɵ¯ÌøƵÉÁÕÕƬ¡£1¡¢2 ÊÇÕâ¸öСÇòÔÚͬһˮƽλÖõÄÁ½µã£¬Î»Öà 1µÄÖØÁ¦ÊÆÄÜ_____λÖà 2 µÄÖØÁ¦ÊÆÄÜ£»Î»Öà 1 µÄ»úеÄÜ_____λÖà 2 µÄ»úеÄÜ£»Î»Öà 1 µÄËÙ¶È_____λÖÃ2 µÄËٶȣ¨Ñ¡Ìî¡°´óÓÚ¡±¡¢¡°µÈÓÚ¡±¡¢¡°Ð¡ÓÚ¡±£©¡£Õû¸ö¹ý³ÌÖУ¬ÄÜÁ¿_____Êغ㣨ѡÌî¡°ÊÇ¡±¡¢¡°²»¡±£©
²é¿´´ð°¸ºÍ½âÎö>>
¿ÆÄ¿£º³õÖÐÎïÀí À´Ô´£º ÌâÐÍ£º
¡¾ÌâÄ¿¡¿·ÇÖÞºµ¼¾£¬³£ÓÃHippo roller£¨ÖмäÓÐתÖáµÄËÜÁÏÍ°£©ÔËË®£®ÈçͼËùʾ£¬Ð¡»ª·Ö±ðÓñ³±³¡¢ÊÖ±§¡¢Æ½À¡¢¹öÀµÄ·½Ê½ÔËÂúÍ°Ë®£¬Ôڴֲڵij̶ÈÏàͬµÄˮƽµØÃæÉÏÔÈËÙÐÐ×ßÏàͬ·³Ì£¬Ëý¶ÔÂúÍ°Ë®×ö¹¦×î¶àµÄÊÇ£¨ £©
A. B. C. D.
¹Ê
²é¿´´ð°¸ºÍ½âÎö>>
¿ÆÄ¿£º³õÖÐÎïÀí À´Ô´£º ÌâÐÍ£º
¡¾ÌâÄ¿¡¿ÈçͼÊÇÓÃÒ»¸öºã¶¨ÈÈÔ´¶Ôij¾§Ìå¼ÓÈÈÈÛ»¯Ê±£¬Î¶ÈËæʱ¼ä±ä»¯µÄͼÏñ
£¨1£©¾Ýͼ¿ÉÖª£¬¸ÃÎïÖÊÔÚCµãʱµÄÄÚÄÜ__________(´óÓÚ/СÓÚ/µÈÓÚ)ÔÚBµãʱµÄÄÚÄÜ£¬ÀíÓÉÊÇ__________£»
£¨2£©¸ù¾ÝͼÖÐÐÅÏ¢¿ÉÖª£¬¸ÃÎïÖÊÔÚAB ¶ÎºÍCD¶ÎµÄ±ÈÈÈÈÝ·Ö±ðΪc1¡¢c2 £¬Ôòc1£ºc2£½____£»
²é¿´´ð°¸ºÍ½âÎö>>
¿ÆÄ¿£º³õÖÐÎïÀí À´Ô´£º ÌâÐÍ£º
¡¾ÌâÄ¿¡¿ÈçͼËùʾ£¬Ô˶¯Ô±Éä¼ýʱ£¬À¿ªµÄ¹ÏÒÄܽ«¼ýÉä³ö£¬¼ýÀ뿪¹ÏÒºó»¹ÄܼÌÐø·ÉÐÐÖÁ¼ý°Ð¡£Ð¡Ã÷¸ù¾ÝÕâÒ»ÏÖÏóµÃ³öÁËÒÔÏÂËĸö½áÂÛ£¬ÆäÖÐÕýÈ·µÄÊÇ£¨ £©
A.¹ÏÒ¶Ô¼ýÊ©¼ÓµÄÁ¦¸Ä±äÁ˼ýµÄÔ˶¯×´Ì¬
B.¹Ïҵĵ¯ÐÔÊÆÄÜת»¯Îª¼ýµÄ¶¯ÄÜ
C.¼ýÓÉÓÚÊܵ½¹ßÐÔ×÷Óã¬À뿪¹ÏÒºóÈÔÄܼÌÐø·ÉÐÐ
D.ÔÚ¿ÕÖзÉÐеļý²»ÊÜÈκÎÁ¦µÄ×÷ÓÃ
²é¿´´ð°¸ºÍ½âÎö>>
¿ÆÄ¿£º³õÖÐÎïÀí À´Ô´£º ÌâÐÍ£º
¡¾ÌâÄ¿¡¿Ð¡Ã÷ÀûÓÃÈçͼËùʾµÄʵÑéÆ÷²Ä̽¾¿Æ½Ãæ¾µ³ÉÏñµÄÌص㡣ÇëÄã½â´ðÒÔÏÂÎÊÌ⣺
£¨1£©¸ÃʵÑé²ÉÓñ¡Í¸Ã÷ƽ°å²£Á§×÷ΪƽÃæ¾µ£¬ÊÇΪÁ˱ãÓÚÈ·¶¨_____µÄλÖ㻣¨Ñ¡Ì¡°Ïñ¡±»ò¡°Î£©£»
£¨2£©ÊµÑéÖÐÀûÓùâÆÁÎÞ·¨³ÊÏÖÀ¯ÖòµÄÏñ£¬ËµÃ÷ƽÃæ¾µ³ÉµÄÊÇ_____Ïñ£¨Ñ¡Ìî¡°Ð顱»ò¡°Êµ¡±£©£»
£¨3£©¸ÃʵÑéÑ¡ÔñÁ½¸öÏàͬµÄÀ¯ÖòAºÍB£¬ÊÇΪÁ˹۲ìÀ¯ÖòBÊÇ·ñÓëÀ¯ÖòAËù³ÉµÄÏñ_____¡£
²é¿´´ð°¸ºÍ½âÎö>>
°Ù¶ÈÖÂÐÅ - Á·Ï°²áÁбí - ÊÔÌâÁбí
ºþ±±Ê¡»¥ÁªÍøÎ¥·¨ºÍ²»Á¼ÐÅÏ¢¾Ù±¨Æ½Ì¨ | ÍøÉÏÓк¦ÐÅÏ¢¾Ù±¨×¨Çø | µçÐÅթƾٱ¨×¨Çø | ÉæÀúÊ·ÐéÎÞÖ÷ÒåÓк¦ÐÅÏ¢¾Ù±¨×¨Çø | ÉæÆóÇÖȨ¾Ù±¨×¨Çø
Î¥·¨ºÍ²»Á¼ÐÅÏ¢¾Ù±¨µç»°£º027-86699610 ¾Ù±¨ÓÊÏ䣺58377363@163.com