ÌâÄ¿ÄÚÈÝ
¡¾ÌâÄ¿¡¿ÈçͼÊÇ¡°Ì½¾¿Ê²Ã´Çé¿öÏ´ſÉÒÔÉúµç¡±µÄ×°Ö㬵¼Ìåab¡¢¿ª¹Ø¡¢ÁéÃôµçÁ÷±íÓõ¼ÏßÁ¬½Ó£¬×é³Éµç·£¬±ÕºÏ¿ª¹Ø£¬ÏÂÁÐ˵·¨²»ÕýÈ·µÄÊÇ
A.ʵÑéÖУ¬Í¨¹ý¹Û²ìµçÁ÷±íÖ¸ÕëµÄƫתÀ´Åжϵç·ÖÐÊÇ·ñÓиÐÓ¦µçÁ÷
B.µ¼ÌåabÔÚ´¹Ö±Ö½Ãæ·½ÏòÇ°ºóÔ˶¯Ê±£¬µç·Öлá²úÉú¸ÐÓ¦µçÁ÷
C.±£³ÖÆäËüÌõ¼þ²»±ä£¬Ö»¸Ä±äµ¼Ìåab×óÓÒÔ˶¯µÄ·½Ïò£¬ÊÇÔÚÑо¿¸ÐÓ¦µçÁ÷·½ÏòÓëµ¼ÌåÔ˶¯·½ÏòµÄ¹Øϵ
D.Èô½«µçÁ÷±í»»³ÉÖ±Á÷µçÔ´£¬Ôò¸Ã×°Öû¹¿ÉÒÔÀ´Ì½¾¿´Å³¡¶ÔµçÁ÷µÄ×÷ÓÃ
¡¾´ð°¸¡¿B
¡¾½âÎö¡¿
A£®ÊµÑéÖУ¬Í¨¹ý¹Û²ìµçÁ÷±íÖ¸ÕëµÄƫתÀ´Åжϵç·ÖÐÊÇ·ñÓиÐÓ¦µçÁ÷£¬¹ÊAÕýÈ·£¬²»·ûºÏÌâÒ⣻
B£®µ¼ÌåabÔÚ´¹Ö±Ö½Ãæ·½ÏòÇ°ºóÔ˶¯Ê±Ã»ÓÐÇиî´Å¸ÐÏߣ¬²»»á²úÉú¸ÐÓ¦µçÁ÷£¬¹ÊB´íÎ󣬷ûºÏÌâÒâ
C£®±£³ÖÆäËüÌõ¼þ²»±ä£¬Ö»¸Ä±äµ¼Ìåab×óÓÒÔ˶¯µÄ·½Ïò£¬ÕâÊÇÓÿØÖƱäÁ¿·¨ÔÚÑо¿¸ÐÓ¦µçÁ÷·½ÏòÓëµ¼ÌåÔ˶¯·½ÏòµÄ¹Øϵ£¬¹ÊCÕýÈ·£¬²»·ûºÏÌâÒ⣻
D£®Èô½«µçÁ÷±í»»³ÉÖ±Á÷µçÔ´£¬Ôò¸Ã×°ÖÃÊÇ¿ÉÒÔÀ´Ì½¾¿´Å³¡¶ÔµçÁ÷µÄ×÷Óõģ¬¹ÊDÕýÈ·£¬²»·ûºÏÌâÒâ¡£
¡¾ÌâÄ¿¡¿ÍêÈ«Ïàͬ£¬È¼ÁϵÄÖÊÁ¿¶¼ÊÇ10g£¬ÉÕ±ÄÚµÄÒºÌå³õÎÂÏàͬ£®
£¨1£©±È½Ï²»Í¬È¼ÁϵÄÈÈÖµ£¬Ó¦Ñ¡Ôñ_________Á½Í¼½øÐÐʵÑ飻±È½Ï²»Í¬ÎïÖʵıÈÈÈÈÝ£¬Ó¦Ñ¡Ôñ__________Á½Í¼½øÐÐʵÑ飮
£¨2£©ÈôÔÚÑо¿²»Í¬È¼ÁÏÈÈֵʵÑéʱ£¬¼Ç¼Êý¾ÝÈçÏÂ±í£º
ȼÁÏ | ¼ÓÈÈÇ°ÒºÌåζÈ/¡æ | ȼÁÏȼ¾¡Ê±ÒºÌåζÈ/¡æ | ȼÁϵÄÈÈÖµ/£¨J/kg£© |
1 | 15 | 35 | 2.4¡Á106 |
2 | 15 | 25 | £¿ |
¸ù¾Ý±íÖÐÊý¾Ý¼ÆË㣺ÍêȫȼÉÕ10gȼÁÏ1·Å³öµÄÈÈÁ¿Îª______J£¬È¼ÁÏ2µÄÈÈÖµÊÇ______J/kg£®
£¨3£©Í¨¹ýʵÑéµÃµ½µÄȼÁÏÈÈÖµÓëʵ¼ÊÏà±ÈÊÇÆ«______£¨´ó/С£©£¬ÄãÈÏΪ³öÏÖÕâÑùÇé¿öµÄÖ÷ÒªÔÒòÊÇ£º______________¡£
¡¾ÌâÄ¿¡¿Ð¡ºìͬѧѧϰÁËȼÁϵÄÈÈÖµºó£¬×Ô¼ºÉè¼ÆÁËÒ»¸öʵÑéÀ´Ì½¾¿ÃºÓͺͲË×ÑÓ͵ÄÈÈÖµ´óС¹Øϵ¡£ËýʵÑéʱ×é×°ÁËÈçͼËùʾµÄÁ½Ì×¹æ¸ñÍêÈ«ÏàͬµÄ×°Ö㬲¢Ã¿¸ô1min¼Ç¼Á˱ÖÐË®µÄζȡ£
£¨1£©ÔÚ°²×°¡¢µ÷ÕûʵÑéÆ÷²Äʱ¿ÆѧºÏÀíµÄ˳ÐòÊÇ(¼×ͼÖÐ)£ºÏȹ̶¨________µÄλÖã¬ÔÙµ÷Õû¹Ì¶¨µÄ________λÖÃ(Ñ¡Ìî¡°A¡±»ò¡°B¡±£©¡£
£¨2£©Îª±£Ö¤ÊµÑé½áÂ۵Ŀɿ¿£¬ÊµÑéʱӦ¿ØÖÆÁ½Ì××°ÖÃÖÐÏàͬµÄÁ¿ÓмÓÈÈʱ¼äºÍË®µÄ________¡£
¼ÓÈÈʱ¼ät/min | 0 | 1 | 2 | 3 | 4 | 5 | 6 |
¼×±Ë®ÎÂ/¡æ | 25 | 27 | 29 | 32 | 34 | 36 | 38 |
ÒұˮÎÂ/¡æ | 25 | 26 | 27 | 28 | 29 | 30 | 31 |
£¨3£©Í¨¹ý±íÖмǼµÄÊý¾Ý£¬ÄãÈÏΪúÓͺͲË×ÑÓÍÁ½ÖÖȼÁÏÖУ¬ÈÈÖµ½Ï´óµÄÊÇ________£¬ÀíÓÉÊÇ______¡£
£¨4£©Ð¡ºìʵÑéÇ°ÓÃÌìƽ²â³öÁËÉÕ±ÖÐË®µÄÖÊÁ¿¼°Á½Ó͵ÆÖÐȼÁϵÄÖÊÁ¿£¬²¢¼Ç¼Êý¾ÝÀûÓù«Ê½Q=cm(t-t0)¼ÆËã³öÁËË®ÎüÊÕµÄÈÈÁ¿£¬ËýÈÏΪͨ¹ýÕâЩÊý¾ÝÄÜ׼ȷµØ¼ÆËã³öúÓͺͲË×ÑÓ͵ÄÈÈÖµ¡£ÄãÈÏΪËýµÄ¼ÆËã½á¹û¿É¿¿Âð£¿________£¬ÀíÓÉÊÇ___________¡£
¡¾ÌâÄ¿¡¿Ð¡º£ºÍС÷һÆð×ö¡°Ì½¾¿²¢Áªµç·ÖеçÁ÷µÄ¹æÂÉ¡±ÊµÑé¡£
(1) ÔÚ²ð½Óµç·ʱ£¬¿ª¹Ø±ØÐë______£»
(2) ͼ¼×ÊÇËûÃÇÉè¼ÆµÄµç·ͼ£¬Í¼ÒÒÊÇËûÃDzâÁ¿µçÁ÷ʱÁ¬½ÓµÄʵÑéµç·£¬´ËʱµçÁ÷±í²âÁ¿µÄÊÇ__£¨Ñ¡Ìî¡°A¡±¡°B¡±»ò¡°C¡±£©´¦µÄµçÁ÷£»
(3) ²â³öA¡¢B¡¢CÈý´¦µÄµçÁ÷IA¡¢IB¡¢ICÈçϱíËùʾ£¬Óɴ˵óö³õ²½½áÂÛ£º______£¨Ö»Ð´±í´ïʽ£©
λÖà | A | B | C |
µç Á÷/A | 0.30 | 0.24 | 0.54 |
(4) ²â³öA¡¢B¡¢CÈýµãµÄµçÁ÷²¢¼Ç¼ºó£¬ÏÂÒ»²½¸Ã×öµÄÊÇ£¨________£©
A¡¢ÕûÀíÆ÷²Ä£¬½áÊøʵÑé B¡¢»»²»Í¬¹æ¸ñµÄСµÆÅÝÔٲ⼸×éµçÁ÷Öµ
C¡¢·ÖÎöÊý¾Ý£¬µÃ³ö½áÂÛ D¡¢»»µçÁ÷±íµÄÁíÒ»Á¿³ÌÔÙ²âÒ»×éµçÁ÷Öµ