ÓÃÍÐÅÌÌìƽ²âÁ¿Ð¡Ê¯¿éµÄÃܶȣ¬µ÷½ÚÌìƽƽºâʱӦ½«Ììƽ·ÅÔÚˮƽ×ÀÃæÉÏ£¬ÓÎÂëÒƵ½±ê³ß×ó¶ËµÄÁã¿Ì¶È´¦£¬ÈôÌìƽµÄÖ¸Õë¾²Ö¹ÔÚͼ¼×ËùʾλÖã¬Ôò¿É½«Æ½ºâÂÝĸÏò
ÓÒ
ÓÒ
£¨Ñ¡Ìî¡°×ó¡±»ò¡°ÓÒ¡±£©µ÷½Ú£¬Ê¹Ììƽƽºâ£¬Óõ÷½ÚºÃµÄÌìƽ³ÆСʯ¿éµÄÖÊÁ¿£¬Ììƽƽºâʱ£¬·ÅÔÚÓÒÅÌÖеÄíÀÂëºÍÓÎÂëµÄλÖÃÈçͼÒÒËùʾ£¬ÔòСʯ¿éÖÊÁ¿Îª
52.4
52.4
g£»ÓÃÁ¿Í²Á¿³öС¿óʯµÄÌå»ýÈçͼ±ûËùʾ£®ÓÉ´Ë¿ÉÖª£¬Ð¡Ê¯¿éµÄÌå»ýΪ
20
20
cm3£¬Ð¡Ê¯¿éµÄÃܶȦÑ=
2.62¡Á103
2.62¡Á103
kg/m3£®
·ÖÎö£º£¨1£©µ÷½ÚÌìƽƽºâʱ£¬Æ½ºâÂÝĸÏòÉÏÇ̵ÄÒ»¶ËÒƶ¯£®
£¨2£©ÎïÌåµÄÖÊÁ¿µÈÓÚíÀÂëµÄÖÊÁ¿¼ÓÓÎÂë¶ÔÓ¦µÄ¿Ì¶ÈÖµ£»ÎïÌåµÄÌå»ýµÈÓÚÎïÌå½þûˮǰºóË®Ãæ¶ÔÓ¦¿Ì¶ÈÖµµÄ²î£»ÀûÓÃÃܶȹ«Ê½Çó³öÎïÌåµÄÃܶȣ®
½â´ð£º½â£º£¨1£©Èçͼ£¬Ö¸ÕëÖ¸Ïò·Ö¶ÈÅ̵Ä×ó²à£¬ËµÃ÷ÌìƽÓÒ¶ËÉÏÇÌ£¬Æ½ºâÂÝĸÏòÉÏÇ̵ÄÓÒ¶ËÒƶ¯£®
£¨2£©Ð¡¿óʯµÄÖÊÁ¿£ºm=50g+2.4g=52.4g£¬
С¿óʯµÄÌå»ý£ºV=80ml-60ml=20ml=20cm3£¬
С¿óʯµÄÃܶȣº¦Ñ=
m
V
=
52.4g
20cm3
=2.62g/cm3=2.62¡Á103kg/m3£®
¹Ê´ð°¸Îª£ºÓÒ£»52.4£»20£»2.62¡Á103£®
µãÆÀ£º²âÁ¿¹ÌÌåÃܶÈÊÇÁ¦Ñ§ÖÐÖØÒªµÄʹÓã¬ÕâÊDzâÁ¿¹ÌÌåÃܶÈ×î»ù±¾¡¢×îµäÐ͵ķ½·¨£®
Á·Ï°²áϵÁдð°¸
Ïà¹ØÏ°Ìâ

¿ÆÄ¿£º³õÖÐÎïÀí À´Ô´£º ÌâÐÍ£º

ÈçͼÊǼ¸ÖÖÒÇÆ÷µÄʹÓÃÇé¾°£¬¹Û²ì²¢»Ø´ðÏÂÁÐÎÊÌ⣺

£¨1£©Èçͼ¼×ËùʾÊÇÒ»Ö§¼ÒÓú®Êî±í£¬ËüÄܹ»²âÁ¿µÄ×îµÍÆøÎÂÊÇ
-30
-30
¡æ£¬º®Êî±íÏÔʾµÄÆøÎÂÊÇ
9
9
¡æ£®
£¨2£©ÓÃÍÐÅÌÌìƽ²âÁ¿Ð¡Ê¯¿éµÄÖÊÁ¿£¬ÔÚÌìƽƽºâʱ£¬ÌìƽÓÒÅÌÖÐËù¼ÓíÀÂëºÍÓÎÂëËùÔÚλÖÃÈçͼÒÒËùʾ£¬ÔòС¸Õ²âµÃµÄСʯ¿éµÄÖÊÁ¿ÊÇ
78.2
78.2
g£®
£¨3£©Ä³Í¬Ñ§¼ÒÖеçÄܱíʾÊýÈçͼ±û£¬Ê¾ÊýΪ
986.2
986.2
kW?h£¬Ëû¼Òͬʱ¹¤×÷µÄÓõçÆ÷×ܹ¦Âʲ»Äܳ¬¹ý
4.4
4.4
kW£®

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º³õÖÐÎïÀí À´Ô´£º ÌâÐÍ£º½â´ðÌâ

ÈçͼÊǼ¸ÖÖÒÇÆ÷µÄʹÓÃÇé¾°£¬¹Û²ì²¢»Ø´ðÏÂÁÐÎÊÌ⣺

£¨1£©Èçͼ¼×ËùʾÊÇÒ»Ö§¼ÒÓú®Êî±í£¬ËüÄܹ»²âÁ¿µÄ×îµÍÆøÎÂÊÇ______¡æ£¬º®Êî±íÏÔʾµÄÆøÎÂÊÇ______¡æ£®
£¨2£©ÓÃÍÐÅÌÌìƽ²âÁ¿Ð¡Ê¯¿éµÄÖÊÁ¿£¬ÔÚÌìƽƽºâʱ£¬ÌìƽÓÒÅÌÖÐËù¼ÓíÀÂëºÍÓÎÂëËùÔÚλÖÃÈçͼÒÒËùʾ£¬ÔòС¸Õ²âµÃµÄСʯ¿éµÄÖÊÁ¿ÊÇ______g£®
£¨3£©Ä³Í¬Ñ§¼ÒÖеçÄܱíʾÊýÈçͼ±û£¬Ê¾ÊýΪ______kW?h£¬Ëû¼Òͬʱ¹¤×÷µÄÓõçÆ÷×ܹ¦Âʲ»Äܳ¬¹ý______kW£®

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º³õÖÐÎïÀí À´Ô´£º2010-2011ѧÄêºÓÄÏÊ¡ÂåÑôÊоÅÄ꼶£¨ÉÏ£©ÆÚÄ©ÎïÀíÊÔ¾í£¨½âÎö°æ£© ÌâÐÍ£ºÌî¿ÕÌâ

ÓÃÍÐÅÌÌìƽ²âÁ¿Ð¡Ê¯¿éµÄÃܶȣ¬µ÷½ÚÌìƽƽºâʱӦ½«Ììƽ·ÅÔÚˮƽ×ÀÃæÉÏ£¬ÓÎÂëÒƵ½±ê³ß×ó¶ËµÄÁã¿Ì¶È´¦£¬ÈôÌìƽµÄÖ¸Õë¾²Ö¹ÔÚͼ¼×ËùʾλÖã¬Ôò¿É½«Æ½ºâÂÝĸÏò    £¨Ñ¡Ìî¡°×ó¡±»ò¡°ÓÒ¡±£©µ÷½Ú£¬Ê¹Ììƽƽºâ£¬Óõ÷½ÚºÃµÄÌìƽ³ÆСʯ¿éµÄÖÊÁ¿£¬Ììƽƽºâʱ£¬·ÅÔÚÓÒÅÌÖеÄíÀÂëºÍÓÎÂëµÄλÖÃÈçͼÒÒËùʾ£¬ÔòСʯ¿éÖÊÁ¿Îª    g£»ÓÃÁ¿Í²Á¿³öС¿óʯµÄÌå»ýÈçͼ±ûËùʾ£®ÓÉ´Ë¿ÉÖª£¬Ð¡Ê¯¿éµÄÌå»ýΪ    cm3£¬Ð¡Ê¯¿éµÄÃܶȦÑ=    kg/m3£®

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º³õÖÐÎïÀí À´Ô´£º2010-2011ѧÄêÖØÇìÊÐɳƺ°ÓÇøÄÏ¿ªÖÐѧ¾ÅÄ꼶£¨Ï£©ÆÚÖÐÎïÀíÊÔ¾í£¨½âÎö°æ£© ÌâÐÍ£º½â´ðÌâ

ÈçͼÊǼ¸ÖÖÒÇÆ÷µÄʹÓÃÇé¾°£¬¹Û²ì²¢»Ø´ðÏÂÁÐÎÊÌ⣺

£¨1£©Èçͼ¼×ËùʾÊÇÒ»Ö§¼ÒÓú®Êî±í£¬ËüÄܹ»²âÁ¿µÄ×îµÍÆøÎÂÊÇ______¡æ£¬º®Êî±íÏÔʾµÄÆøÎÂÊÇ______¡æ£®
£¨2£©ÓÃÍÐÅÌÌìƽ²âÁ¿Ð¡Ê¯¿éµÄÖÊÁ¿£¬ÔÚÌìƽƽºâʱ£¬ÌìƽÓÒÅÌÖÐËù¼ÓíÀÂëºÍÓÎÂëËùÔÚλÖÃÈçͼÒÒËùʾ£¬ÔòС¸Õ²âµÃµÄСʯ¿éµÄÖÊÁ¿ÊÇ______g£®
£¨3£©Ä³Í¬Ñ§¼ÒÖеçÄܱíʾÊýÈçͼ±û£¬Ê¾ÊýΪ______kW?h£¬Ëû¼Òͬʱ¹¤×÷µÄÓõçÆ÷×ܹ¦Âʲ»Äܳ¬¹ý______kW£®

²é¿´´ð°¸ºÍ½âÎö>>

ͬ²½Á·Ï°²á´ð°¸