ÌâÄ¿ÄÚÈÝ
¡¾ÌâÄ¿¡¿ÀûÓÃÈçͼËùʾµÄ×°Ö㬱ȽϾƾ«ºÍËéÖ½ÈÈÖµµÄ´óС.
¢ÅΪÍê³ÉʵÑ飬ʵÑéÖÐÐèÒª¿ØÖÆÏàͬµÄÁ¿ÓУº
¢Ù___________________________________
¢Ú___________________________________
¢ÆʵÑéÖУ¬¸ù¾Ý_________________________________£¨Ñ¡Ìî¡°¼ÓÈÈʱ¼ä¡±»ò¡°Î¶ȼÆÉý¸ßµÄʾÊý¡±£©À´ÅжÏÉÕÁÏÉÕÉշųöµÄÈÈÁ¿µÄ¶àÉÙ¡£
¢ÇСÃ÷ʵÑéʱ£¬Í¬Ê±µãȼ¾Æ¾«ºÍËéÖ½£¬ÉÕÉÕÏàͬʱ¼äºó£¬¹Û²ìµ½Óþƾ«¼ÓÈȵÄË®µÄζÈÉý¸ß½Ï¸ß£¬´Ëʱ_______£¨ÄÜ/²»ÄÜ£©ËµÃ÷¾Æ¾«µÄÈÈÖµ½Ï´ó¡£
¢ÈʵÑéºóСÃ÷¸ù¾ÝʵÑéÖÐÉÕ±ÖÐË®µÄÖÊÁ¿Îª300g£¬ÏûºÄÁË6g¾Æ¾«£¬¾Æ¾«È¼ÉÕʹˮÎÂÉý¸ß50¡æ£¬¼ÆËã³ö¾Æ¾«ÈÈÖµq=___________J/kg£¬ÕâÑùËã³öµÄ¾Æ¾«ÈÈÖµÊÇ·ñ¿É¿¿?_________£¬ÀíÓÉÊÇ_______________¡£
¡¾´ð°¸¡¿ ¾Æ¾«ºÍËéÖ½µÄÖÊÁ¿Ïàͬ ÉÕ±ÖÐË®µÄÖÊÁ¿¡¢³õÎÂÏàͬ ζȼÆÉý¸ßµÄʾÊý ²»ÄÜ 1.05¡Á107 ²»¿É¿¿ ¾Æ¾«²»¿ÉÄÜÍêȫȼÉÕÇÒȼÉշųöµÄÈÈÁ¿²»ÄÜÈ«²¿±»Ë®ÎüÊÕ
¡¾½âÎö¡¿£¨1£©ÒòȼÁϵÄÈÈÖµ²»ÄÜÖ±½Ó²âÁ¿£¬µ«È¼ÁÏȼÉշųöµÄÈÈÁ¿¿ÉÒÔ±»Ë®ÎüÊÕ£¬´Ó¶øʹÏàͬÖÊÁ¿µÄˮη¢Éú±ä»¯£»ËùÒÔ¿ÉÒÔͨ¹ýζȼÆʾÊýµÄ±ä»¯£¨Ë®Éý¸ßµÄζȣ©À´±È½ÏȼÁÏÈÈÖµµÄ´óС¹Øϵ£»Í¨¹ýÒÔÉÏ·ÖÎö¿ÉÖª£¬ÊµÑéÖÐÒª¿ØÖƾƾ«ºÍËéÖ½µÄÖÊÁ¿Ïàͬ£¬Á½Ö»ÉÕ±ÄÚË®µÄÖÊÁ¿ºÍ³õÎÂÏàͬ£»
£¨2£©ÎªÁ˱Ƚϲ»Í¬È¼ÁÏȼÉÕʱ·Å³öÈÈÁ¿£¬ÒªÑ¡Ôñ²»Í¬È¼ÁÏ£¬¼ÓÈÈͬһÖÖÒºÌ壬ÈÃÒºÌåµÄÖÊÁ¿Ïàͬ£¬Í¨¹ýζȼƵÄʾÊý¸ßµÍµÃ³öÎüÈȶàÉÙ£¬½ø¶øÅжÏÈÈÖµ´óС£»
£¨3£©ËäÈ»ÔÚÆäËüÌõ¼þÏàͬʱ£¬¼×±Ë®µÄζÈÉý¸ßµÄ½Ï¿ì£¬¼´¼×ȼÉÕ²úÉúµÄÈÈÁ¿¶à£¬ËùÒÔÆäÈÈÖµ´ó£®µ«Ïàͬʱ¼äÁ½ÖÖȼÁÏȼÉÕµÄÖÊÁ¿²»ÄܱȽϣ¬¹Ê²»ÄܱȽÏÈÈÖµµÄ´óС£»
£¨4£©Ë®µÄÖÊÁ¿Îª=300g=0.3kg,¾Æ¾«µÄÖÊÁ¿m¾Æ¾«=6g=0.006kg£¬Èô¾Æ¾«È¼ÉշųöµÄÈÈÁ¿ÓëË®ÎüÊÕµÄÈÈÁ¿ÏàµÈ£¬Ôò
.Ôò¾Æ¾«µÄÈÈÖµ£º
¼ÆËãµÃµ½µÄ¾Æ¾«µÄÈÈÖµ±È¾Æ¾«µÄʵ¼ÊÈÈÖµ=3.0¡Á
J/kgСµÃ¶à£¬ÔÒòÊÇ£º¾Æ¾«È¼ÉÕʱ²»Ò»¶¨ÍêȫȼÉÕ£¬¾Æ¾«È¼ÉÕʱÊͷŵÄÈÈÁ¿²»ÄÜÍêÈ«±»Ë®ÎüÊյȣ®
¹Ê´ð°¸Îª£º£¨1£©¢Ù¾Æ¾«ºÍËéÖ½µÄÖÊÁ¿Ïàͬ£»¢ÚÉÕ±ÖÐË®µÄÖÊÁ¿¡¢³õÎÂÏàͬ£»£¨2£©Î¶ȼÆÉý¸ßµÄʾÊý£»£¨3£©²»ÄÜ£»£¨4£©1.05¡ÁJ/kg£»²»¿É¿¿£»¾Æ¾«²»¿ÉÄÜÍêȫȼÉÕÇÒȼÉշųöµÄÈÈÁ¿²»ÄÜÈ«²¿±»Ë®ÎüÊÕ¡£
![](http://thumb2018.1010pic.com/images/loading.gif)
¡¾ÌâÄ¿¡¿Ä³Ñ§Ï°Ð¡×éµÄͬѧ×ÔÖÆÁËÒ»¸ö¼òÒ×ζȼƣ¬AΪһËÜÁÏÆ¿£¬BΪÎü¹Ü£¬Í¨¹ýÈíľÈûÓëAÏàÁ¬£¬¹Ü϶˲åÈëË®²ÛÖУ¬Ê¹¹ÜÄÚÍâË®ÃæÓÐÒ»¸ß¶È²îh£¬ÔÚ²»Í¬Î¶ÈÏ·ֱð²â³ö¶ÔӦˮÖù¸ß¶Èh£¬¼Ç¼Êý¾ÝÈç±í£º
ζÈ/¡æ | 17 | 19 | 21 | 23 | 25 | 27 |
h/cm | 30.0 | 24.9 | 19.7 | 14.6 | 9.4 | 4.2 |
£¨1£©´ËζȼƵIJâÎÂÔÀíÊÇ £®
£¨2£©Õâ¸öζȼƵÄËÜÁÏÆ¿²¿·Ö£¨Í¼ÖеÄA£©Ï൱ÓÚ³£ÓÃÎÂ¶È¼ÆµÄ £®
£¨3£©ÓôËζȼƣ¨ÄÜ/²»ÄÜ£©²â29¡æ¼°ÆäÒÔÉϵÄζȣ®
£¨4£©Èô½«´Ë×°Ö÷ÅÔÚÊÒÄÚ£¬ÒºÖùÏòÉÏÒƶ¯£¬ËµÃ÷ζȣ¨Ñ¡Ìî¡°Éý¸ß¡±»ò¡°½µµÍ¡±£©
£¨5£©ÀûÓôËζȼƴæÔڵIJ»×ãÖ®´¦ÊÇ £®