1£®Èçͼ¼×¡¢ÒҼǼÁËÁ½Á¾Æû³µÔÚƽֱµÄ¹«Â·ÉÏÐÐʻʱ£¬ÔÚÏàͬµÄʱ¼äÄÚͨ¹ýµÄ·³Ì£®

£¨1£©ÇëÔÚͼ±ûÖл­³ö¼×³µµÄ·³ÌÓëʱ¼äͼÏó£»
£¨2£©¼×³µµÄËÙ¶ÈÊǶàÉÙÃ×/Ã룿ºÏ¶àÉÙǧÃ×/Сʱ£¿
£¨3£©ÒÒͼÖÐÆû³µÔÚ¸÷¶Îʱ¼äÄÚµÄËÙ¶ÈÓÐʲôÌص㣿´ð£ºÓÉͼÒÒÖª£¬Æû³µÔÚ¸÷¶Î10sʱ¼äÄÚÇ°½øµÄ·³Ì±ä´ó£¨Ñ¡Ìî¡°²»±ä¡±¡¢¡°±äС¡±»ò¡°±ä´ó¡±£©£¬ËùÒÔ£¬ÔÚ0¡«40sʱ¼äÄÚÒÒ³µµÄËٶȱ仯Çé¿öÊDZä´ó£¨Ñ¡Ìî¡°²»±ä¡±¡¢¡°±äС¡±»ò¡°±ä´ó¡±£©£®

·ÖÎö £¨1£©¸ù¾Ýʱ¼ä¶ÔÓ¦µÄ·³ÌÃèµã£¬²¢ÓÃƽ»¬µÄÇúÏßÁ¬½ÓÆðÀ´£»
£¨2£©·ÖÎö¼×³µµÄÔ˶¯×´Ì¬£¬ÓÉv=$\frac{s}{t}$¼ÆËã³öÆäËٶȵĴóС£»
£¨3£©¸ù¾ÝÒÒ³µµÄ¸÷¶ÎËٶȴóС¹ØϵµÃ³ö½áÂÛ£»ÒÒ³µ×ö¼ÓËÙÔ˶¯£¬ËùÒÔÇ°°ë¶Î·³ÌµÄƽ¾ùËٶȽÏС£¬ºó°ë¶Î·³ÌµÄƽ¾ùËٶȽϴó£®

½â´ð ½â£º£¨1£©¸ù¾Ý¼×³µµÄÊý¾ÝÃèµã²¢Á¬Ïߣ¬ÈçͼËùʾ£º

£¨2£©ÓÉͼ¼×Öª£¬Æû³µ×öÔÈËÙÖ±ÏßÔ˶¯£¬ÓÉͼ֪£¬µ±ÔËÐÐ0-10sʱ£¬Í¨¹ýµÄ·³ÌΪ300m£¬ËùÒÔv¼×=$\frac{s}{t}$=$\frac{300m}{10s}$=30m/s=30¡Á3.6km/h=108km/h£»
£¨3£©ÓÉÌâÒâÖª£¬ÒÒ³µ×ö¼ÓËÙÔ˶¯£¬ËùÒÔÇ°°ë¶Î·³ÌµÄƽ¾ùËٶȽÏС£¬ºó°ë¶Î·³ÌµÄƽ¾ùËٶȽϴó£¬È«³ÌµÄƽ¾ùËٶȾÓÖУ»
ÓÉͼ֪£¬ÒÒ³µÔÚÏàͬʱ¼äÄÚ¼´Ã¿10s£¬Í¨¹ýµÄ·³ÌÔ½À´Ô½´ó£¬ËùÒÔ£¬ÔÚ0¡«40sʱ¼äÄÚÒÒ³µµÄËٶȱ仯Çé¿öÊDZä´ó£®
¹Ê´ð°¸Îª£º£¨1£©¼ûÉÏͼ£»£¨2£©¼×³µµÄËÙ¶ÈÊÇ30m/s£¬ºÏ108km/h£»£¨3£©±ä´ó£»±ä´ó£®

µãÆÀ ±¾Ìâ×ۺϿ¼²éÁËÔ˶¯ºÍ¾²Ö¹µÄÏà¶ÔÐÔ£¬Æ½¾ùËٶȵļÆË㼰·³Ìʱ¼äͼÏóµÄ»­·¨£¬¹Ø¼üÄܹ»¸ù¾Ýͼʾȷ¶¨¶ÔÓ¦µÄ·³ÌºÍʱ¼ä£®

Á·Ï°²áϵÁдð°¸
Ïà¹ØÏ°Ìâ

¿ÆÄ¿£º³õÖÐÎïÀí À´Ô´£º ÌâÐÍ£ºÌî¿ÕÌâ

11£®ÔÚÈçͼËùʾµÄµç·ÖУ¬µçÔ´µçѹºã¶¨Îª12V£¬µç¶¯»úÄÚ²¿ÏßȦµÄµç×èΪ2¦¸£¬µ±±ÕºÏ¿ª¹ØS£¬ÇÒ»¬¶¯±ä×èÆ÷½ÓÈëµç·µÄ×èֵΪ10¦¸Ê±£¬µçѹ±íµÄʾÊýΪ10V£¬´Ëʱµç¶¯»ú¸ÕºÃÕý³£¹¤×÷£¬Ôòͨ¹ýµç¶¯»úµÄµçÁ÷0.2A£¬µç¶¯»úÔÚÕý³£¹¤×´Ì¬ÏÂͨµç5min£¬µçÁ÷ͨ¹ýµç¶¯»úÄÚ²¿ÏßȦ²úÉúµÄÈÈÁ¿ÊÇ24J£®

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º³õÖÐÎïÀí À´Ô´£º ÌâÐÍ£ºÑ¡ÔñÌâ

12£®ÈçͼÊÇÈ«ÔË»áÔ˶¯ÏîĿͼ±ê£¬ÆäÖÐͼƬÓëÎïÀí֪ʶ¶ÔÓ¦ÕýÈ·µÄÊÇ£¨¡¡¡¡£©
A£®ÓÎӾʱÈËûÓÐÊܵ½Ë®µÄÍÆÁ¦
B£®À­¹­¹ý³ÌÖй­·¢ÉúÁ˵¯ÐÔÐαä¶ø¾ßÓе¯ÐÔÊÆÄÜ
C£®È˾ÙןÜÁå²»¶¯Ê±¶Ô¸ÜÁå×ö¹¦ÁË
D£®Çú¹÷ÇòÀ뿪Çò¸ËºóÄܼÌÐøÔ˶¯ÊÇÓÉÓÚÊܵ½Á˹ßÐÔ×÷ÓÃ

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º³õÖÐÎïÀí À´Ô´£º ÌâÐÍ£ºÑ¡ÔñÌâ

9£®ÏÂÃæËÄ·ù½Ì²Ä²åͼÖУ¬ÓÃÓÚÃèÊöµç´ÅÌúÓ¦ÓõÄÊÇ£¨¡¡¡¡£©
A£®
Ö¸ÄÏÕë
B£®
µçÁå
C£®
·¢µç»ú
D£®
µç¼ªËûµÄÊ°ÒôÆ÷

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º³õÖÐÎïÀí À´Ô´£º ÌâÐÍ£ºÑ¡ÔñÌâ

16£®ÏÂÁÐÏÖÏóÖУ¬ÊôÓÚ¹âµÄÕÛÉäÏÖÏóµÄÊÇ£¨¡¡¡¡£©
A£®²åÈëË®ÖеĿê×Ó£¬¿´ÉÏÈ¥ºÃÏñÕÛ¶ÏÁË
B£®Ñô¹âÏ£¬Á¢¸Í¼ûÓ°
C£®´ÓƽÃæ¾µÖп´¼û×Ô¼º
D£®Çàɽµ¹Ó³ÔÚºþË®ÖÐ

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º³õÖÐÎïÀí À´Ô´£º ÌâÐÍ£º×÷ͼÌâ

6£®£¨1£©Èçͼ1Ëùʾ£¬Ò»Êø¹âÑØAO·½ÏòбÉ䵽ƽÃæ¾µÉÏ£¬»­³öÈëÉä¹âÏߵķ´Éä¹âÏߣ¬²¢±ê³ö·´Éä½Ç´óС£®

£¨2£©¸ù¾ÝƽÃæ¾µ³ÉÏñÌص㣬ÔÚͼ2Öл­³öÎïÌåABÔÚƽÃæ¾µMNÖÐËù³ÉµÄÏñ£®
£¨3£©ÇëÔÚͼ3ÖÐÍê³É¹â·ͼ£®

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º³õÖÐÎïÀí À´Ô´£º ÌâÐÍ£ºÊµÑé̽¾¿Ìâ

13£®Ð¡ÁáµÄÂèÂèÓÐÒ»¼þ»Æ½ðÊÎÆ·£¬ËýÏë²âÁ¿Ò»ÏÂÊÇ·ñÊÇ´¿½ðµÄ£¬ÏÖÓеÄʵÑéÓÃÆ·ÓÐÍÐÅÌÌìƽ¡¢Á¿Í²¡¢Ï¸Ïß¡¢ÉÕ±­ºÍË®µÈ£¬½øÐÐÁËÈçϵÄʵÑé²Ù×÷£º
A¡¢ÍÐÅÌÌìƽ·ÅÔÚˮƽ×ÀÃæÉÏ
B¡¢ÓÎÂë·ÅÔÚ±ê³ß×ó¶ËµÄÁã¿Ì¶ÈÏß´¦£¬µ÷½ÚƽºâÂÝĸ£¬Ê¹ºáÁºÔÚˮƽλÖÃƽºâ
C¡¢½«ÊÎÆ·ÓÃϸÏßϵºÃºóÂýÂýµØ·ÅÈëÁ¿Í²ÖУ¬²¢¼ÇÏÂË®ºÍÊÎÆ·µÄ×ÜÌå»ý
D¡¢ÔÚÁ¿Í²Öе¹ÈëÊÊÁ¿µÄË®£¬²¢¼ÇÏÂË®µÄÌå»ý
E¡¢½«ÊÎÆ··ÅÔÚ×óÅÌÖУ¬ÔÚÓÒÅÌÖÐÔö¼õíÀÂë²¢Òƶ¯ÓÎÂëÖ±ÖÁºáÁºÔÚˮƽλÖÃƽºâ£¬¼Ç¼ÏàÓ¦µÄÊýÖµ£®
£¨1£©Çë¶ÔʵÑé²Ù×÷˳ÐòÕýÈ·ÅÅÐòÊÇ£ºA¡¢B¡¢E¡¢D¡¢C£®
£¨2£©ÔÚµ÷½ÚƽºâÂÝĸʱ£¬·¢ÏÖÖ¸ÕëÆ«Ïò·Ö¶ÈÅ̵Ä×ó²à£¬Èçͼ¼×£¬´ËʱӦ½«Æ½ºâÂÝĸÏòÓҶ˵÷½Ú£¨Ìî¡°×ó¡±»ò¡°ÓÒ¡±£©£¬Ö±µ½Ö¸ÕëÖ¸Ïò·Ö¶ÈÅ̵ÄÖÐÑ룮
£¨3£©Óõ÷ºÃµÄÌìƽ³ÆÁ¿ÊÎÆ·µÄÖÊÁ¿£¬ÌìƽÔÙ´Îƽºâʱ£¬ÓÒÅÌÖÐíÀÂëµÄÖÊÁ¿ºÍÓÎÂëµÄλÖÃÈçͼÒÒËùʾ£¬ÔòÊÎÆ·µÄÖÊÁ¿ÊÇ182.6g£» ÓÃϸÏß˨ºÃÊÎÆ··ÅÈë×°ÓÐÊÊÁ¿Ë®µÄÁ¿Í²ÖУ¬Èçͼ±ûËùʾ£¬ÔòÊÎÆ·µÄÌå»ýÊÇ10cm3£®
£¨4£©Í¨¹ý¼ÆËã¿ÉÖªÊÎÆ·µÄÃܶÈΪ18.26g/cm3£¨¦Ñ½ð=19.3¡Á103kg/m3£©£¬ÓÉ´Ë¿ÉÒÔÈ·¶¨ÊÎÆ·²»ÊÇ´¿½ðµÄ£®

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º³õÖÐÎïÀí À´Ô´£º ÌâÐÍ£ºÌî¿ÕÌâ

10£®ÈËÉú»îÔÚ¹âµÄÊÀ½çÀ°éËæ×Å¡°Ó°¡±µÄ´æÔÚ£®ÐÎÓ°²»ÀëµÄ¡°Ó°¡±£¬Ë®Öеĵ¹Ó°µÄ¡°Ó°¡±£¬¿´µçÓ°µÄ¡°Ó°¡±£¬ËüÃÇ·Ö±ðÊÇÓÉÓÚ¹âµÄÖ±Ïß´«²¥¡¢¹âµÄ·´Éä¡¢¹âµÄÕÛÉäÒýÆðµÄ£®

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º³õÖÐÎïÀí À´Ô´£º ÌâÐÍ£ºÊµÑé̽¾¿Ìâ

11£®Ä³Í¬Ñ§ÀûÓÃС×À¡¢íÀÂëºÍº£Ãà×÷̽¾¿ÊµÑ顰ѹÁ¦µÄ×÷ÓÃЧ¹û¸úʲôÒòËØÓйء±£¬ÊµÑéÉè¼ÆÈçͼËùʾ£®
£¨1£©¸ÃʵÑéÊÇͨ¹ý¹Û²ìº£ÃàµÄ°¼Ïݳ̶ÈÀ´ÅжÏѹÁ¦µÄ×÷ÓÃЧ¹û£»
£¨2£©Óɼס¢ÒÒÁ½Í¼ËùʾʵÑéÏÖÏó¿ÉµÃ³ö£ºÊÜÁ¦Ãæ»ýÒ»¶¨Ê±£¬Ñ¹Á¦Ô½´ó£¬Ñ¹Á¦×÷ÓÃЧ¹ûÔ½Ã÷ÏÔ£®
£¨3£©ÓÉÒÒ¡¢±ûÁ½Í¼ËùʾʵÑéÏÖÏó¿ÉµÃ³ö£ºÑ¹Á¦Ò»¶¨Ê±£¬ÊÜÁ¦Ãæ»ýԽС£¬Ñ¹Á¦×÷ÓÃЧ¹ûÔ½Ã÷ÏÔ£®

²é¿´´ð°¸ºÍ½âÎö>>

ͬ²½Á·Ï°²á´ð°¸