СÃ÷Ïë²âÁ¿Ã¿ÌìÔ糿ÂèÂè×öµÄ¶¹½¬µÄÃܶȣ®Ëû´ÓѧУ½èÀ´ÁËÌìƽºÍÁ¿Í²£¬½èÖú¼ÒÀïµÄ²£Á§±­²âÁ¿¶¹½¬µÄÃܶȣ®Ëû²â¶¹½¬ÃܶȵÄʵÑé²½ÖèÈçÏ£º
A£®³ÆÎïÌåÖÊÁ¿Ç°£¬µ÷½ÚºÃÌìƽ?B£®ÓÃÌìƽ³Æ³ö²£Á§±­µÄÖÊÁ¿m1
C£®½«ÊÊÁ¿¶¹½¬µ¹Èë±­ÖР      D£®ÓÃÌìƽ³Æ³ö²£Á§±­ºÍ¶¹½¬µÄ×ÜÖÊÁ¿m2
E£®½«±­Öж¹½¬µ¹ÈëÁ¿Í²ÖУ¬²â³ö¶¹½¬µÄÌå»ýV£®?

£¨1£©Èô°´ÉÏÊö²½Öè²âÁ¿£¬¼ÆË㶹½¬µÄÃܶȦÑ=
 
£®Ëù²â³öµÄ¶¹½¬ÃܶÈ
 
£¨Ñ¡Ì¡°Æ«´ó¡±»ò¡°Æ«Ð¡¡±£©£»
£¨2£©Ð¡Ã÷µ÷ÕûÁËʵÑé²½Ö裬¸ù¾ÝºÏÀíµÄʵÑé˳Ðò½øÐÐʵÑ飮ÔÚ³ÆÎïÌåÖÊÁ¿Ö®Ç°£¬½«Ììƽ·ÅÔÚˮƽ×ÀÃæÉÏ£¬²¢½«ÓÎÂë·ÅÔÚ±ê³ß×ó¶ËÁã¿Ì¶ÈÏß´¦£¬·¢ÏÖÌìƽָÕëλÖÃÈçͼ¼×Ëùʾ£¬´Ëʱ£¬Ð¡Ã÷Ó¦¸Ã½«ÓÒ¶ËƽºâÂÝĸÏò
 
²àµ÷½Ú£¨Ñ¡Ì¡°×ó¡±»ò¡°ÓÒ¡±£©£¬Ö±µ½Ö¸ÕëÖ¸ÔÚ·Ö¶ÈÅÌÖÐÑë¿Ì¶ÈÏßÉϲſªÊ¼³ÆÁ¿£®Ð¡Ã÷²âÁ¿µÄ½á¹û£¬ÈçͼÒÒ-¶¡Ëùʾ£¬¸ù¾ÝͼʾÊý¾Ý¿ÉÒÔ¼ÆËã³ö¶¹½¬µÄÃܶÈÊÇ
 
kg/m3£®£¨½á¹û±£ÁôһλСÊý£©
Á·Ï°²áϵÁдð°¸
Ïà¹ØÏ°Ìâ

¿ÆÄ¿£º³õÖÐÎïÀí À´Ô´£º ÌâÐÍ£º

С¸ÕÂèÂèµ£ÐÄ´ÓÊг¡Âò»ØµÄÉ«À­ÓÍÊǵعµÓÍ£¬Ð¡¸ÕΪÏû³ýÂèÂèµÄµ£ÓÇ£¬Í¨¹ýÍøÂçÔÚ²éµÃÓÅÖÊÉ«À­Ó͵ÄÃܶÈÔÚ0.91g/cm3-0.93g/cm3Ö®¼ä£¬µØ¹µÓ͵ÄÃܶÈÔÚ0.94g/cm3-0.95g/cm3Ö®¼ä£¬²¢Íê³ÉÓòâÃܶȵķ½·¨¼ø±ðÓ͵ÄÆ·ÖʵÄʵÑ飮
£¨1£©ÇëÄã¸æËßС¸ÕÌìƽµ÷½ÚµÄÕýȷ˳ÐòÓ¦¸ÃΪ
 
£®
    A£®½«ÍÐÅÌÌìƽ·ÅÓÚˮƽµÄ×ÀÃæÉÏ£®
    B£®µ÷½ÚÌìƽµÄƽºâÂÝĸ£¬Ê¹ÌìƽºáÁºË®Æ½Æ½ºâ£®
    C£®°ÑÓÎÂë·ÅÔÚ±ê³ßµÄ¡°0¡±¿Ì¶È´¦£®
£¨2£©ÊµÑéÒÀ¾ÝµÄ¹«Ê½ÊÇ
 
£®
£¨3£©ÍùÉÕ±­Öе¹ÈëÊÊÁ¿µÄÉ«À­ÓÍ£¬ÓÃÌìƽ³Æ³öÉÕ±­ºÍÉ«À­Ó͵Ä×ÜÖÊÁ¿Îª70g£¬È»ºó°ÑÉÕ±­ÖеÄ
 
£¨Ìî¡°È«²¿¡±¡¢¡°²¿·Ö¡±£©É«À­Ó͵¹ÈëÁ¿Í²£¬ÈçͼaËùʾ£¬ÔÙ³ÆÉÕ±­ºÍÊ£ÏÂÉ«À­Ó͵Ä×ÜÖÊÁ¿£»ÊµÑéÖУ¬µ±¼Ó¼õíÀÂë×ܲ»ÄÜʹÌìƽƽºâʱ£¬Ó¦Òƶ¯
 
£®ÌìƽÔÙ´ÎƽºâʱËùÓÃíÀÂëºÍÓÎÂëµÄλÖÃÈçͼbËùʾ£¬²â³öµ¹ÈëÁ¿Í²µÄÉ«À­Ó͵ÄÖÊÁ¿£®
£¨4£©¸ÃÉ«À­Ó͵ÄÃܶÈΪ
 
g/cm3£¬É«À­Ó͵ÄÆ·ÖÊÊÇ
 
£¨Ñ¡Ìî¡°ºÏ¸ñ¡±»ò¡°²»ºÏ¸ñ¡±£©£®

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º³õÖÐÎïÀí À´Ô´£º ÌâÐÍ£º

Ϊȷ¶¨Ä³ÖÖδ֪ҺÌåµÄ¡°Éí·Ý¡±£¬ÎïÀíÀÏʦ°ÑÕâ¸öÈÎÎñ½»¸øÁËС»ªµÄʵÑéС×飬ËûÃÇÀûÓÃÌìƽºÍÁ¿Í²½øÐÐÁ˶à´Î²âÁ¿£®Ä³´ÎµÄ²Ù×÷ÈçÏ£º

£¨1£©Èçͼ¼×Ëùʾ£¬Ð¡»ªÔÚʹÓÃÌìƽ¹ý³ÌÖеĴíÎóÊÇ£º
 
£»
£¨2£©ÔÚ³ÆÁ¿¹ý³ÌÖÐС»ª·¢ÏÖ·Ö¶ÈÅÌÖ¸ÕëÔÚÈçͼÒÒËùʾλÖ㮽ÓÏÂÀ´µÄ²Ù×÷ÊÇ
 
£®
A£®ÏòÓÒÅÌÖмÓíÀÂë    B£®ÏòÓÒÅÌÖмõíÀÂë
C£®ÏòÓÒ±ßÒƶ¯ÓÎÂë    D£®µ÷½ÚºáÁºÓҶ˵ÄƽºâÂÝĸ
£¨3£©Ð¡»ª¾ÀÕý´íÎóºó¼ÌÐøʵÑ飬ÓÃÌìƽ²âÁ¿ÒºÌåµÄÖÊÁ¿£®µ±Ììƽƽºâʱ£¬·ÅÔÚÓÒÅÌÖеÄíÀÂë´óСºÍÓÎÂëµÄλÖÃÈçͼ±ûËùʾ£¬Ôò³ÆµÃÉÕ±­ºÍÒºÌåµÄ×ÜÖÊÁ¿Îª
 
g£»½ÓÏÂÀ´£¬ÓÃÁ¿Í²²âÁ¿ÒºÌåµÄÌå»ý£¬½«ÉÕ±­ÖеÄÒºÌåÈ«²¿µ¹ÈëÁ¿Í²ÖУ¬ÒºÃæ´ïµ½µÄλÖÃÈçͼ¶¡Ëùʾ£¬¸ÃÒºÌåµÄÌå»ýΪ
 
cm3£®
£¨4£©¾¡¹ÜÌå»ý²âÁ¿·½·¨ÕýÈ·£¬µ«´ó¼ÒÔÚ¶ÔʵÑé¹ý³Ì¼°½á¹û½øÐÐÆÀ¹Àʱ£¬·¢ÏÖÒºÌåµÄÌå»ý²âÁ¿Öµ±ÈËüµÄʵ¼ÊÖµÒª
 
 £¨Ñ¡Ìî¡°Æ«´ó¡±»ò¡°Æ«Ð¡¡±£©£¬ÆäÔ­ÒòÊÇ£º
 
£»
£¨5£©Ð¡»ª¶Ô²âÁ¿·½·¨½øÐÐÐÞÕýºó£¬²â³öÁ˼¸×éʵÑéÊý¾Ý£¬²¢¸ù¾Ý²âÁ¿½á¹û×÷³öÁË¡°m-V¡±Í¼Ïó£¬ÈçͼÎìËùʾ£®ÓÉͼÏó¿ÉÖª¸ÃÒºÌåµÄÃܶÈΪ
 
g/cm3£»Í¨¹ý²é±í¶ÔÕÕÖª¸ÃÒºÌåΪ
 
£®
  ÃܶÈ/¡Á103kg?m3
ÁòËá 1.8
Ë® 1.0
úÓÍ 0.8
ÆûÓÍ 0.7

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º³õÖÐÎïÀí À´Ô´£º ÌâÐÍ£º

ÓÃÌìƽºÍÁ¿Í²²âÁ¿ÑÎË®µÄÃܶȣ¬¹©Ñ¡ÔñµÄʵÑé²½ÖèÓУº
A£®ÔÚ²£Á§±­ÖÐÊ¢ÓÐÊÊÁ¿µÄÑÎË®£¬³Æ³öÑÎË®ºÍ±­×ÓµÄ×ÜÖÊÁ¿m1
B£®½«Ììƽ·ÅÔÚˮƽ×ÀÃæÉÏ£¬µ÷½ÚÌìƽƽºâ
C£®°Ñ²£Á§±­ÖеÄÒ»²¿·ÖÑÎË®µ¹ÈëÁ¿Í²ÖУ¬¶Á³öÑÎË®µÄÌå»ýV
D£®È¡Ò»Ö»½à¾»µÄ¿Õ²£Á§±­£¬³Æ³öÖÊÁ¿m2
E£®³Æ³ö²£Á§±­ºÍÊ£ÓàÑÎË®µÄ×ÜÖÊÁ¿m3
F£®³Æ³öÁ¿Í²ºÍÁ¿Í²ÖеÄÑÎË®µÄ×ÜÖÊÁ¿m
ÔÚÉÏÊöʵÑé²½ÖèÖУ¬ËùÐèÒªµÄ²½ÖèµÄºÏÀí˳ÐòΪ
 
£¨ÌîʵÑé²½ÖèµÄÐòºÅ£©£®¸ù¾ÝÄãËùÑ¡ÔñµÄ²½ÖèÖеÄÎïÀíÁ¿£¬Ð´³ö±»²âÑÎË®µÄÃܶȱí´ïʽ£¬¦Ñ=
 
£®

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º³õÖÐÎïÀí À´Ô´£º ÌâÐÍ£º

ÔڲⶨʳÓÃÓ͵ÄÃܶȵÄʵÑéÖУ¬Í¬Ñ§ÃDzÉÓÃÁËÁ½ÖÖʵÑé·½°¸£¬²¢´ÓÔ­Àí¡¢·½·¨¡¢¿ÉÐÐÐԵȷ½Ãæ¶Ô·½°¸½øÐÐÁËÊʵ±µÄÆÀ¼Û£®ÇëÄã°ïÖúËûÃÇÍê³ÉʵÑ鱨¸æ£®
·½°¸Ò»·½°¸¶þ
Æ÷²Ä£ºÌìƽ¡¢íÀÂë¡¢Á¿Í²¡¢Ê³ÓÃÓÍ¡¢ÉÕ±­Æ÷²Ä£ºÌìƽ¡¢íÀÂë¡¢Á¿Í²¡¢Ê³ÓÃÓÍ¡¢ÉÕ±­
²½Ö裺
¢ÙÓÃÌìƽ²â³öÉÕ±­ÖÊÁ¿m1£»
¢ÚÓÃÌìƽ²â³öÉÕ±­ºÍʳÓÃÓ͵Ä×ÜÖÊÁ¿m2£»
¢Û½«ÉÕ±­ÖÐʳÓÃÓ͵¹ÈëÁ¿Í²ÖУ¬²â³öÁ¿Í²ÖÐʳÓÃÓ͵ÄÌå»ýV£»
¢Ü
 
£®
²½Ö裺
¢ÙÓÃÌìƽ²â³öÉÕ±­ºÍʳÓÃÓ͵Ä×ÜÖÊÁ¿m1£»
¢ÚÍùÁ¿Í²Öе¹ÈëÊÊÁ¿Ê³ÓÃÓÍ£¬²â³öÁ¿Í²ÖÐʳÓÃÓ͵ÄÌå»ýV£»
¢ÛÓÃÌìƽ²â³öÉÕ±­ºÍÊ£ÏÂʳÓÃÓ͵Ä×ÜÖÊÁ¿m2£»
¢Ü
 
£®
±í´ïʽ£º
 
±í´ïʽ£º
 
ÆÀ¼Û£º
 
ÆÀ¼Û£ºÔ­ÀíÕýÈ·£¬·½·¨ºÏÀí£¬¿ÉÐУ®

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º³õÖÐÎïÀí À´Ô´£º ÌâÐÍ£º

¸øÄãÒ»¼ÜÍÐÅÌÌìƽ£¬Ò» ±­ÑÎË®£¬Ò»Ö»¿Ì¶È²»ÇåµÄÁ¿Í²£¬Áí¸øÊÊÁ¿µÄË®£¬Ôò²âÁ¿ÑÎË®µÄÃܶȵÄʵÑé²½ÖèΪ£º
£¨1£©³Æ³öÑÎË®µÄÖÊÁ¿£»
¢Ù³Æ³ö
 
µÄÖÊÁ¿£®¼ÇΪ ml£»
¢Ú³Æ³ö
 
µÄÖÊÁ¿£¬¼ÇΪm2£»
¢ÛÁ¿Í²ÖÐÑÎË®µÄÖÊÁ¿m=
 
£®
£¨2£©²âÁ¿ÑÎË®µÄÌå»ý£º
¢ÙÔÚµ¹ÈëÁ¿¼òÄÚµÄÖÊÁ¿ÎªmµÄ ÑÎˮҺÃæ´¦×öÒ»¸ö¼ÇºÅ£¬¼ÇΪV£¬È»ºó½«ÑÎË®µ¹»ØÑÎË®±­ÖУ»
¢Ú½«ÊÊÁ¿µÄË®µ¹ÈËÁ¿¼ò£®Ê¹
 
µÄÌå»ýÓëÖÊÁ¿ÎªmµÄÑÎË®µÄÌå»ý
 
£»
¢Û³Æ³öµ¹ÈËÁ¿Í²ÄÚË®µÄÖÊÁ¿Îªm3£»
¢ÜË®µÄÌå»ýV=
 
£®
£¨3£©ÑÎË®µÄÃܶÈ
 
£®

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º³õÖÐÎïÀí À´Ô´£º ÌâÐÍ£º

²âÁ¿Ä³ÖÖʳÓÃÓ͵ÄÃܶȣ®
£¨1£©°ÑÌìƽ·ÅÔÚˮƽ×ÀÃæÉÏ£¬½«ÓÎÂëÒÆÖÁÁã¿Ì¶È´¦£¬È»ºóµ÷½Ú
 
£¬Ê¹ÌìƽºáÁºÆ½ºâ£®
£¨2£©½øÐÐÏÂÁÐʵÑé²Ù×÷£º
A£®ÓÃÌìƽ²âÁ¿ÉÕ±­ºÍÊ£ÓàʳÓÃÓ͵Ä×ÜÖÊÁ¿m1£»
B£®½«´ý²âʳÓÃÓ͵¹ÈëÉÕ±­ÖУ¬ÓÃÌìƽ²â³öÉÕ±­ºÍʳÓÃÓ͵Ä×ÜÖÊÁ¿m2£»
C£®½«ÉÕ±­ÖÐʳÓÃÓ͵ÄÒ»²¿·Öµ¹ÈëÁ¿Í²£¬²â³öÕⲿ·ÖʳÓÃÓ͵ÄÌå»ýV£»ÒÔÉϲÙ×÷µÄÕýȷ˳ÐòÊÇ£º
 
£¨Ìî×Öĸ´úºÅ£©£®
£¨3£©ÓÃ×Öĸ±íʾ¼ÆËãʳÓÃÓÍÃܶȵıí´ïʽ
 
£®
£¨4£©ÏÖÒѲâ³öm1ÊÇ110g£¬¸ù¾ÝͼÖеÄʾÊý£¬Ëã³öÕâÖÖʳÓÃÓ͵ÄÃܶÈÊÇ
 
kg/m3£®

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º³õÖÐÎïÀí À´Ô´£º ÌâÐÍ£º

ÑôºþÖÐѧ¾ÅÄ꼶£¨1£©°à¿ÎÍâÑо¿Ð¡×éµÄͬѧ²âÁ¿Ñ§Ð£¸½½üÌ«ºþË®µÄÃܶȣ®Ê×ÏÈ£¬ËûÃÇҨȡºþË®µ¹ÈëÁ¿Í²Èçͼ¼×Ëùʾ£¬È»ºó£¬Óõ÷½ÚºÃµÄÌìƽ²âÁ¿Ò»Ö»¿ÕÉÕ±­µÄÖÊÁ¿£¬µ±Ììƽƽºâʱ£¬ÓÒÅÌÖÐíÀÂëºÍÓÎÂëµÄλÖÃÈçͼÒÒËùʾ£¬×îºó½«Á¿Í²Öеĺþˮȫ²¿µ¹ÈëÉÕ±­ÖУ¬Í¬ÑùÓÃÌìƽ²âÁ¿ÉÕ±­ºÍºþË®µÄ×ÜÖÊÁ¿£¬²âÁ¿½á¹ûÈçͼ±ûËùʾ£¬ÔòҨȡµÄºþË®µÄÌå»ýΪ
 
m3£¬ÖÊÁ¿Îª
 
kg£¬ÃܶÈΪ
 
kg/m3£¬ÊµÑé²Ù×÷ÖÐÒýÆðµÄÃܶȲâÁ¿Öµ±ÈÕæʵֵ
 
£®£¨Ñ¡Ìî¡°Æ«´ó¡±¡¢¡°Æ«Ð¡¡±¡¢¡°²»±ä¡±£©

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º³õÖÐÎïÀí À´Ô´£º ÌâÐÍ£º

ÔÚÉú²úÉú»îÖУ¬ÏÂÁÐÇé¿öÖ÷Òª´ÓÃܶȵĽǶȿ¼ÂǵÄÊÇ£¨¡¡¡¡£©
A¡¢ÓÃËÜÁÏ×ö³´¹øµÄÊÖ±úB¡¢ÓÃÍ­Ë¿×öµ¼ÏßC¡¢ÓÃË®¸ø·¢¶¯»úÀäÈ´D¡¢ÓÃËÜÁÏÅÝÄ­±íÑݳ¡¾°Öе¹ËúµÄ¡°Ç½±Ú¡±

²é¿´´ð°¸ºÍ½âÎö>>

ͬ²½Á·Ï°²á´ð°¸