ijԡ³ØÓõĵØÏÂÎÂȪˮ£¬Ô¡³ØÖÐË®µÄÌå»ýÊÇ40m3£¬³õÎÂÊÇ85¡æ£¬µ±Ë®Î½µµ½45¡æʱ¿É¹©Ï´Ô¡Ê¹Óã®ÎÂȪˮµÄÃܶÈԼΪ1.0×103kg/m3£¬ÎÂȪˮµÄ±ÈÈÈÈÝԼΪ4.2×103J/£¬ÃºµÄÈÈÖµÊÇ3.0×107J/kg£®ÊÔÇó£º
£¨1£©Ô¡³ØÖÐÎÂȪˮµÄÖÊÁ¿ÊǶàÉÙ£¿
£¨2£©µ±Ô¡³ØÖеÄÎÂȪˮ´Ó85¡æ½µµ½45¡æʱ£¬·Å³öµÄÈÈÁ¿ÊǶàÉÙ£¿
£¨3£©ÎÂȪˮ·Å³öµÄÈÈÁ¿Ï൱ÓÚÍêȫȼÉÕ¶àÉÙǧ¿ËµÄú£¿
¡¾´ð°¸¡¿·ÖÎö£º£¨1£©ÀûÓÃÃܶȹ«Ê½±äÐμÆËãm£»
£¨2£©ÀûÓÃÈÈÁ¿µÄ¼ÆË㹫ʽQ=cm¡÷t¼ÆËãÈÈÁ¿£»
£¨3£©ÀûÓÃÈÈÖµµÄ¹«Ê½Q=qm¼ÆËãÈÈÁ¿£®
½â´ð£º½â£º£¨1£©m=¦ÑV=1.0×103kg/m3×40m3=4×104Kg£»
£¨2£©Q=cm¡÷t=4200J/£¨Kg?¡æ£©×40000Kg×£¨85¡æ-45¡æ£©=6.72×109J£»
£¨3£©£®
´ð£º£¨1£©Ô¡³ØÖÐÎÂȪˮµÄÖÊÁ¿ÊÇ4×104Kg£¬£¨2£©·Å³öµÄÈÈÁ¿ÊÇ6.72×109J£¬
£¨3£©ÎÂȪˮ·Å³öµÄÈÈÁ¿Ï൱ÓÚÍêȫȼÉÕ224ǧ¿ËµÄú£®
µãÆÀ£º±¾Ì⿼²éѧÉú¶ÔÈÈÁ¿¹«Ê½µÄÕÆÎÕºÍÔËÓã®
Á·Ï°²áϵÁдð°¸
Ïà¹ØÏ°Ìâ

¿ÆÄ¿£º³õÖÐÎïÀí À´Ô´£º ÌâÐÍ£º

ijԡ³ØÓõĵØÏÂÎÂȪˮ£¬Ô¡³ØÖÐË®µÄÌå»ýÊÇ40m3£¬³õÎÂÊÇ85¡æ£¬µ±Ë®Î½µµ½45¡æʱ¿É¹©Ï´Ô¡Ê¹Óã®ÎÂȪˮµÄÃܶÈԼΪ1.0¡Á103kg/m3£¬ÎÂȪˮµÄ±ÈÈÈÈÝԼΪ4.2¡Á103J/£¨kg?¡æ£©£¬ÃºµÄÈÈÖµÊÇ3.0¡Á107J/kg£®ÊÔÇó£º
£¨1£©Ô¡³ØÖÐÎÂȪˮµÄÖÊÁ¿ÊǶàÉÙ£¿
£¨2£©µ±Ô¡³ØÖеÄÎÂȪˮ´Ó85¡æ½µµ½45¡æʱ£¬·Å³öµÄÈÈÁ¿ÊǶàÉÙ£¿
£¨3£©ÎÂȪˮ·Å³öµÄÈÈÁ¿Ï൱ÓÚÍêȫȼÉÕ¶àÉÙǧ¿ËµÄú£¿

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º³õÖÐÎïÀí À´Ô´£º ÌâÐÍ£º½â´ðÌâ

ijԡ³ØÓõĵØÏÂÎÂȪˮ£¬Ô¡³ØÖÐË®µÄÌå»ýÊÇ40m3£¬³õÎÂÊÇ85¡æ£¬µ±Ë®Î½µµ½45¡æʱ¿É¹©Ï´Ô¡Ê¹Óã®ÎÂȪˮµÄÃܶÈԼΪ1.0¡Á103kg/m3£¬ÎÂȪˮµÄ±ÈÈÈÈÝԼΪ4.2¡Á103J/£¨kg?¡æ£©£¬ÃºµÄÈÈÖµÊÇ3.0¡Á107J/kg£®ÊÔÇó£º
£¨1£©Ô¡³ØÖÐÎÂȪˮµÄÖÊÁ¿ÊǶàÉÙ£¿
£¨2£©µ±Ô¡³ØÖеÄÎÂȪˮ´Ó85¡æ½µµ½45¡æʱ£¬·Å³öµÄÈÈÁ¿ÊǶàÉÙ£¿
£¨3£©ÎÂȪˮ·Å³öµÄÈÈÁ¿Ï൱ÓÚÍêȫȼÉÕ¶àÉÙǧ¿ËµÄú£¿

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º³õÖÐÎïÀí À´Ô´£º´óÁ¬ ÌâÐÍ£ºÎÊ´ðÌâ

ijԡ³ØÓõĵØÏÂÎÂȪˮ£¬Ô¡³ØÖÐË®µÄÌå»ýÊÇ40m3£¬³õÎÂÊÇ85¡æ£¬µ±Ë®Î½µµ½45¡æʱ¿É¹©Ï´Ô¡Ê¹Óã®ÎÂȪˮµÄÃܶÈԼΪ1.0¡Á103kg/m3£¬ÎÂȪˮµÄ±ÈÈÈÈÝԼΪ4.2¡Á103J/£¨kg?¡æ£©£¬ÃºµÄÈÈÖµÊÇ3.0¡Á107J/kg£®ÊÔÇó£º
£¨1£©Ô¡³ØÖÐÎÂȪˮµÄÖÊÁ¿ÊǶàÉÙ£¿
£¨2£©µ±Ô¡³ØÖеÄÎÂȪˮ´Ó85¡æ½µµ½45¡æʱ£¬·Å³öµÄÈÈÁ¿ÊǶàÉÙ£¿
£¨3£©ÎÂȪˮ·Å³öµÄÈÈÁ¿Ï൱ÓÚÍêȫȼÉÕ¶àÉÙǧ¿ËµÄú£¿

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º³õÖÐÎïÀí À´Ô´£º2009ÄêÁÉÄþÊ¡´óÁ¬ÊÐÖп¼ÎïÀíÊÔ¾í£¨½âÎö°æ£© ÌâÐÍ£º½â´ðÌâ

ijԡ³ØÓõĵØÏÂÎÂȪˮ£¬Ô¡³ØÖÐË®µÄÌå»ýÊÇ40m3£¬³õÎÂÊÇ85¡æ£¬µ±Ë®Î½µµ½45¡æʱ¿É¹©Ï´Ô¡Ê¹Óã®ÎÂȪˮµÄÃܶÈԼΪ1.0×103kg/m3£¬ÎÂȪˮµÄ±ÈÈÈÈÝԼΪ4.2×103J/£¬ÃºµÄÈÈÖµÊÇ3.0×107J/kg£®ÊÔÇó£º
£¨1£©Ô¡³ØÖÐÎÂȪˮµÄÖÊÁ¿ÊǶàÉÙ£¿
£¨2£©µ±Ô¡³ØÖеÄÎÂȪˮ´Ó85¡æ½µµ½45¡æʱ£¬·Å³öµÄÈÈÁ¿ÊǶàÉÙ£¿
£¨3£©ÎÂȪˮ·Å³öµÄÈÈÁ¿Ï൱ÓÚÍêȫȼÉÕ¶àÉÙǧ¿ËµÄú£¿

²é¿´´ð°¸ºÍ½âÎö>>

ͬ²½Á·Ï°²á´ð°¸