ÏÂÃæÊÇС¸ÕͬѧÔÚ²âÁ¿Ò»¿é¿óʯÃܶÈʱµÄÖ÷Òª²½Ö裺£¨8·Ö£©
A£®Óõ÷½ÚºÃµÄÌìƽ²â³öÁ¿Í²µÄÖÊÁ¿Îª200g
B£®ÏòÁ¿Í²Öе¹½øһЩˮ£¬²â³öÕâЩˮµÄÌå»ýΪ15cm3
C£®Óõ÷½ÚºÃµÄÌìƽ²â³ö¿óʯµÄÖÊÁ¿Îª28g
D£®½«¿óʯ½þûÔÚÁ¿Í²µÄË®ÖУ¬²â³ö¿óʯºÍË®µÄ×ÜÌå»ýΪ25cm3
E.½«±ØÒªµÄÊý¾ÝÌîÈëϱíÖУ¬ÀûÓÃÏàÓ¦µÄ¹«Ê½Çó³ö¿óʯµÄÃܶȣº
£¨1£©ÒÔÉϲ½ÖèÓÐһЩÊDZØÒªµÄ£¬Ç뽫±ØÒªµÄ²½Öè°´ÕýÈ·µÄ²Ù×÷˳ÐòÅÅÁÐ
                                
£¨2£©Çë°Ñ±ØÒªµÄÎïÀíÁ¿ºÍÊý¾ÝÌîÈëϱí
C B D E ÂÔÒªÇó°´Ë³ÐòÌîдҪÓе¥Î»
£¨1£©²â¶¨¿óʯÃܶȵÄʵÑ飬Ïȵ÷½ÚºÃÌìƽ£¬ÓÃÆä²â³ö¿óʯµÄÖÊÁ¿m£¬ÔÙÔÚÁ¿Í²Öе¹ÈëÊÊÁ¿£¨ÊÊÁ¿µÄº¬ÒåÊÇ£ºÃ»·ÅÈë¿óʯǰˮµÄÒºÃ泬¹ý×îС¿Ì¶ÈÖµ£¬·ÅÈë¿óʯºóÒºÃæ²»³¬¹ý×î´ó²âÁ¿Öµ£©µÄË®£¬¶Á³öÌå»ýΪV1£¬ÔÙ½«¿óʯûÈëÁ¿Í²ÄÚµÄË®ÖУ¬¶Á³öÒºÃæ¿Ì¶ÈΪV2£¬¿óʯµÄÌå»ýV¿ó=V2-V1£¬È»ºóÀûÓÃÃܶȹ«Ê½¦Ñ=m/v£¬Çó³ö¿óʯµÄÃܶȣ¬
¼´£º¦Ñ¿ó===2.8g¨Mcm3=2.8¡Á103kg¨Mm3£®
¹Ê´ð°¸Îª£ºCBDE£®
£¨2£©ÔÚÊÔÑéÖÐÓõ½µÄÎïÀíÁ¿ÊÇ£º¿óʯµÄÖÊÁ¿m£¬ÊÊÁ¿Ë®µÄÌå»ýV1£¬¿óʯºÍË®µÄ×ÜÌå»ýV2£¬¿óʯµÄÃܶȣ®
ÒÑÖª¿óʯµÄÖÊÁ¿m=28g£»Á¿Í²ÖÐÊÊÁ¿Ë®µÄÌå»ýV1=15cm3£»¿óʯºÍË®µÄ×ÜÌå»ýV2=25cm3£»¼ÆËã³ö¿óʯµÄÃܶÈÊÇ£º¦Ñ¿ó=2.8¡Á103kg¨Mm3£®
¹Ê´ð°¸Îª£º
ÎïÀíÁ¿
¿óʯµÄÖÊÁ¿
m¨Mg 
ÊÊÁ¿Ë®µÄÌå»ýV1¨Mcm3
¿óʯºÍË®µÄ×ÜÌå»ýV2¨Mcm3
¿óʯµÄÃܶÈ
kg¨Mm3
Êý¾Ý
28    
15    
25     
2.8¡Á103  
Á·Ï°²áϵÁдð°¸
Ïà¹ØÏ°Ìâ

¿ÆÄ¿£º³õÖÐÎïÀí À´Ô´£º²»Ïê ÌâÐÍ£ºÊµÑéÌâ

СÃ÷ÓÃÌìƽ¡¢Ï¸Éþ¡¢ÉÕ±­ºÍË®£¨¦ÑË®="1.0" g/cm3 )²â¶¨Ä³¹¤ÒÕÆ·£¨ÊµÐÄ£©µÄÃܶȡ£
£¨1£©ÊµÑé¹ý³ÌÈçÏ£º
¢ÙÍùÉÕ±­Öе¹ÈëÊÊÁ¿µÄË®£¬Óõ÷½ÚºÃµÄÌìƽ²â³öÉÕ±­ºÍË®µÄ×ÜÖÊÁ¿Îª200 g¡£
¢ÚÓÃÉþ½«¹¤ÒÕÆ·Ë©ºÃ²¢½þûÔÚË®ÖУ¨ÈçͼËùʾ£©£¬ÔÚÓÒÅÌÖÐÔö¼ÓíÀÂë²¢Òƶ¯ÓÎÂ룬µ±Ììƽƽºâºó£¬µÃ³öÖÊÁ¿Îª208 g£¬Ôò¹¤ÒÕÆ·µÄÌå»ýΪ        cm3.

¢Û´ÓÉÕ±­ÖÐÈ¡³ö¹¤ÒÕÆ·£¬ÓÃÌìƽ²âÁ¿ÆäÖÊÁ¿£¬µ±Ììƽƽºâºó£¬ÓÒÅÌÖÐíÀÂëºÍÓÎÂëµÄλÖÃÈçͼËùʾ£¬¹¤ÒÕÆ·µÄÖÊÁ¿Îª          g¡£

¢Ü¹¤ÒÕÆ·µÄÃܶÈΪ¦Ñ=            g/cm3¡£
(2£©Ð¡Ã÷²âÁ¿µÄ¹¤ÒÕÆ·ÃܶȱÈÕæʵֵ           £¨Ñ¡Ìî¡°Æ«´ó¡±»ò¡°Æ«Ð¡¡±£©£¬ÊÇÓÉÓÚ_____________________________________________________¡£
(3£©±»²â¹¤ÒÕÆ·ÊÇÓÉϱíÖеÄijÖÖ½ðÊôÖƳɵġ£ÕâÖÖ½ðÊôÔÚÉú²úºÍÉú»îÖÐÓÐ׏㷺µÄÓ¦Óã¬Èç                    £¨¾ÙÒ»Àý£©¡£
ÎïÖÊ
½ð
Ǧ
Í­
Ìú
ÂÁ
ÃܶÈ/g¡¤cm-3
19.3
11.3
8.9
7.9
2.7

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º³õÖÐÎïÀí À´Ô´£º²»Ïê ÌâÐÍ£ºÌî¿ÕÌâ

СǿµÄÄÌÄÌÓÐÒ»Ö»Óñïí£¬Ëûͨ¹ýÍøÂçÁ˽⵽£ºÃܶÈÊÇÓñÆ÷Æ·ÖʵÄÖØÒª²ÎÊý£¬Í¨¹ýʵÑéËû²â³öÁËÓñïíµÄÃܶȣ¬ÒÔÏÂÊÇËû²âÁ¿ÓñïíµÄʵÑé²½Ö裺Óõ÷½ÚºÃµÄÌìƽ²â³öÓñïíµÄÖÊÁ¿£¬µ±Ììƽƽºâʱ£¬ÓÒÅÌÖÐíÀÂë¼°ÓÎÂëµÄλÖÃÈçͼËùʾ£¬ÓñïíµÄÖÊÁ¿ÊÇ    g£¬ÓÃÁ¿Í²²â³öÓñïíµÄÌå»ýÊÇ20cm3£¬ÔòÓñïíµÄÃܶÈΪ            kg/m3

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º³õÖÐÎïÀí À´Ô´£º²»Ïê ÌâÐÍ£ºÊµÑéÌâ

.£¨6·Ö£©£¨1£©ÔÚ¡°¹Û²ìË®µÄ·ÐÌÚ¡±ÊµÑéÖУ¬Ë®·ÐÌÚʱÆøÅÝÉÏÉýµÄÇé¿öÈçͼÖеġ¡¡¡¡¡¡¡Ëùʾ£»Ð¡Ã÷¹Û²ìË®·ÐÌÚʱζȼÆʾÊýÈçͼ±ûËùʾ£¬ÔòË®µÄ·ÐµãÊÇ¡¡ ¡¡¡¡¡ãC£¬Ë®µÄ·ÐµãµÍÓÚ100¡æµÄÔ­Òò¿ÉÄÜÊÇ                                              £®

£¨2£©ÔÚ¡°²â¶¨Ê³ÓÃÓÍÃܶȡ±µÄʵÑéÖУ¬ÊµÑé²½ÖèÈçÏ£º
A£®°ÑÌìƽ·ÅÔÚˮƽ×ÀÃæÉÏ£¬²¢ÇÒ£®
B£®ÔÚÉÕ±­ÄÚµ¹ÈëÊÊÁ¿Ê³ÓÃÓÍ£¬ÔÙÓÃÌìƽ²â³öÉÕ±­ºÍʳÓÃÓ͵Ä×ÜÖÊÁ¿m1="87.2" g£®
C£®ÓÃÌìƽ²â³öÉÕ±­ºÍ±­ÖÐÊ£ÓàµÄʳÓÃÓ͵ÄÖÊÁ¿m2£¨Í¼ÒÒ£©£®
D£®µ÷½ÚÌìƽºáÁºÁ½¶ËµÄƽºâÂÝĸ£¬Ê¹Ììƽƽºâ£®
E£®½«ÉÕ±­ÖеÄÒ»²¿·ÖʳÓÃÓ͵¹ÈëÁ¿Í²ÄÚ£¬¶Á³öÁ¿Í²ÄÚʳÓÃÓ͵ÄÌå»ýΪV£¨Í¼¼×£©£®

¢ÙÇ뽫²½ÖèAÖÐËùȱÉÙµÄÄÚÈݲ¹³äÍêÕû£º                                         £»
¢ÚÇ뽫ÒÔÉÏʵÑé²½ÖèÖеıØÒª²½ÖèÑ¡³ö£¬²¢°´²Ù×÷˳ÐòµÄÏȺóÕýÈ·ÅÅÐò£º           £¨Ö»Ìîд×Öĸ£©£»
¢Û¸ù¾ÝÉÏÊöʵÑéÄÚÈݼ°Í¼12¼×¡¢ÒÒÖеÄʵÑé²âÁ¿Êý¾Ý£¬¿É֪ʳÓÃÓ͵ÄÃܶȦÑ=
      g/cm3£®

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º³õÖÐÎïÀí À´Ô´£º²»Ïê ÌâÐÍ£ºÊµÑéÌâ

ijͬѧҪ²âÁ¿Ò»Ê¯¿éµÄÃܶȡ£Ëû°´ÒÔÏÂÉè¼ÆµÄ²½Öè½øÐÐÁËʵÑ飺
A£®ÔÚÁ¿Í²Öе¹ÈëÊÊÁ¿µÄË®£¬²¢¼ÇÏÂË®µÄÌå»ýV1
B£®½«Ê¯¿éÓÃϸÏßϵºÃºóÂýÂýµØ·ÅÈëÁ¿Í²ÖУ¨ºöÂÔϸÏßµÄÌå»ý£©£¬²¢¼ÇÏÂÌå»ýV2
C£®½«Ê¯¿é´ÓÁ¿Í²ÖÐÈ¡³öÖ±½Ó·Åµ½ÒѾ­µ÷ºÃµÄÌìƽÉϲâµÃÁËʯ¿éµÄÖÊÁ¿m
£¨1£©ÓÉͼ¿ÉÖª£¬¸Ãͬѧ²âµÃµÄʯ¿éÖÊÁ¿Îª___________g,Ìå»ýΪ__________cm3,Óɴ˼ÆËã³öʯ¿éµÄÃܶÈΪ__________kg/m3¡£

£¨2£©°´´Ë²½Öè²âµÃʯ¿éµÄÃܶÈÖµ±ÈÕæʵֵ___________£¨Ñ¡Ìî¡°´ó¡±»ò¡°Ð¡¡±£©¡£
Ô­ÒòÊÇ________                                                       ___¡£
£¨3£©²½ÖèAÖС°ÊÊÁ¿µÄË®¡±µÄº¬ÒåÊÇ_________________________¡£

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º³õÖÐÎïÀí À´Ô´£º²»Ïê ÌâÐÍ£ºÊµÑéÌâ

£¨6·Ö£©²â¶¨Ä³¿é¿óʯµÄÃܶȡ£Í¼ËùʾΪÓÃÌìƽ³Æ¿óʯÖÊÁ¿£¬ÌìƽƽºâʱËùÓÃíÀÂëºÍÓÃÁ¿Í²²â¿óʯÌå»ýµÄÇé¿ö¡£
¡¡¡¡¡¡¿óʯµÄÖÊÁ¿m£½__________
¡¡¡¡¡¡¿óʯµÄÌå»ýV£½__________
¡¡¡¡¡¡£¨Ð´³ö¼ÆËãÃܶȵĹ«Ê½¡¢¼ÆËã¹ý³Ì¼°½á¹û£©
¡¡¡¡¡¡
¡¡

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º³õÖÐÎïÀí À´Ô´£º²»Ïê ÌâÐÍ£ºµ¥Ñ¡Ìâ

Íõ±øÔÚ¡°²âÁ¿Ê¯¿éµÄÃܶȡ±µÄʵÑéʱ£¬²â³ö¼¸×éÊý¾Ý£¬¸ù¾ÝÕâЩÊý¾Ý»æ³öͼÏñ£¬ÄÜÕýÈ·±íʾ¡°ÃܶÈÓëÖÊÁ¿µÄ¹Øϵ¡±µÄͼÏñÊÇ£¨   £©

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º³õÖÐÎïÀí À´Ô´£º²»Ïê ÌâÐÍ£ºÎÊ´ðÌâ

²âÁ¿ÑÒʯµÄÃܶȣº¢Ù¸ù¾ÝͼËùʾ£¬½«¸÷ÒÇÆ÷µÄ²âÁ¿ÖµÐ´ÔڼǼʵÑéÊý¾Ý±í¸ñÄÚ£®
¢Ú¼ÆËãÑÒʯÃܶȵĹ«Ê½ºÍ½á¹û£º______£®

ÑÒʯµÄÖÊÁ¿ m£¨¿Ë£©Á¿Í²ÄÚË®µÄÌå»ýV1£¨ÀåÃ×3£©·ÅÈëÑÒʯºóÁ¿Í²ÄÚ
Ë®µÄÌå»ýV2£¨ÀåÃ×3£©
ÑÒʯµÄÌå »ý V£¨ÀåÃ×3£©

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º³õÖÐÎïÀí À´Ô´£º²»Ïê ÌâÐÍ£ºÎÊ´ðÌâ

СÃ÷ºÍС»ªÔÚʵÑéÊÒÀï²âÁ¿Ò»¿éÐÎ×´²»¹æÔò¡¢Ìå»ý½Ï´óµÄ¿óʯµÄÃܶȣ®ÈçͼÊÇСÃ÷µÄʵÑé¹ý³Ì£º

£¨1£©Òò¿óʯÌå»ý½Ï´ó£¬·Å²»½øÁ¿Í²£¬Òò´ËСÃ÷ÀûÓÃÒ»Ö»ÉÕ±­£¬°´ÏÂͼ·½·¨½øÐвâÁ¿£¬Ôò¿óʯµÄÌå»ýÊÇ______cm3£®
£¨2£©Ð¡Ã÷ÓÃÍÐÅÌÌìƽÒѲâµÃ¿óʯµÄÖÊÁ¿ÊÇ175g£¬Ôò¿óʯµÄÃܶÈÊÇ______kg/m3£»ÔÚСÃ÷µÄ·½·¨ÖдÓͼAµ½Í¼BµÄ²Ù×÷ÒýÆðµÄÃܶȲâÁ¿Öµ±ÈÕæʵֵ______£®£¨Ñ¡Ìƫ´ó¡¢Æ«Ð¡»ò²»±ä£©
£¨3£©Ð¡»ªÏÓСÃ÷µÄ·½·¨ºÜÂé·³£¬¾ÍÕÒÀ´ÁËÉÕ±­ºÍÊÊÁ¿µÄË®£¬Óõ¯»É²âÁ¦¼Æ¶Ô¿óʯ×öÁËÁ½´Î²âÁ¿£¬¾Í²â³öÁËʯ¿éÃܶȣ®ÄÇôС»ª³ýÁËÒª²â³öʯ¿éÔÚ¿ÕÆøÖеÄÖØÁ¦GÖ®Í⣬»¹Òª²â³ö______£®Ê¯¿éÃܶȵıí´ïʽΪ______£®£¨ÓÃ×Öĸ±íʾ£¬Ë®µÄÃܶÈΪ¦ÑË®£©

²é¿´´ð°¸ºÍ½âÎö>>

ͬ²½Á·Ï°²á´ð°¸