ÌâÄ¿ÄÚÈÝ
¡¾ÌâÄ¿¡¿Èçͼ¼×Ëùʾ£¬Îï¿éA¡¢B¼äË©½ÓÒ»¸öѹËõºó±»Ëø¶¨µÄµ¯»É£¬Õû¸öϵͳ¾²Ö¹·ÅÔڹ⻬ˮƽµØÃæÉÏ£¬ÆäÖÐAÎï¿é×î³õÓë×ó²à¹Ì¶¨µÄµ²°åÏà½Ó´¥£¬BÎï¿éÖÊÁ¿Îª4kg¡£ÏÖÉÕ¶ÏϸÉþ½â³ý¶Ôµ¯»ÉµÄËø¶¨£¬ÔÚAÀ뿪µ²°åºó£¬BÎï¿éµÄv¡ªtͼÈçͼÒÒËùʾ£¬Ôò¿ÉÖª£¨¡¡¡¡£©
A.Îï¿éAµÄÖÊÁ¿Îª2.5kg
B.Îï¿éAµÄÖÊÁ¿Îª2kg
C.´Ó¿ªÊ¼µ½AÀ뿪µ²°å¹ý³ÌÖе¯»É¶ÔAµÄ³åÁ¿Îª0
D.ÔÚAÀ뿪µ²°åºóµ¯»ÉµÄ×î´óµ¯ÐÔÊÆÄÜΪ6J
¡¾´ð°¸¡¿BD
¡¾½âÎö¡¿
AB£®BµÄ¼ÓËÙ¶È×î´óʱ£¬Í¼ÏñÇÐÏßµÄбÂʾø¶ÔÖµ×î´ó£¬ÓÉͼ¿ÉÖª´Ëʱ£¬A¡¢B¾ßÓй²Í¬ËÙ¶È
ÓÉͼÏó¿ÉÖª£¬A¸ÕÀ뿪µ²°åµÄʱºò£¬BµÄËÙ¶È
¸ù¾Ý¶¯Á¿Êغã
½âµÃ
¹ÊA´íÎó£¬BÕýÈ·£»
C£®´Ó¿ªÊ¼µ½AÀ뿪µ²°å¹ý³ÌÖе¯»ÉÒ»Ö±´¦ÔÚѹËõ״̬£¬¶ÔAÓе¯Á¦×÷Ó㬹ʵ¯»É¶ÔAµÄ³åÁ¿²»Îª0£¬¹ÊC´íÎó£»
D£®A¡¢BËÙ¶ÈÏàͬʱµ¯»ÉµÄµ¯ÐÔÊÆÄÜ×î´ó£¬µ¯»ÉµÄ×î´óµ¯ÐÔÊÆÄÜΪ
´úÈëÊý¾Ý½âµÃ
¹ÊDÕýÈ·¡£
¹ÊÑ¡BD¡£
¡¾ÌâÄ¿¡¿Ì½¾¿¼ÓËÙ¶ÈÓëÁ¦¡¢ÖÊÁ¿µÄ¹Øϵ£¬¿ÉÒÔ²ÉÓò»Í¬µÄÑо¿·½°¸¡£
£¨1£©¼×ͬѧ²ÉÓõķ½°¸ÈçͼËùʾ£¬½«Á½¸öÏàͬµÄС³µ·ÅÔÚˮƽľ°åÉÏ£¬Ç°¶Ë¸÷ϵһÌõϸÉþ£¬ÏßµÄÁíÒ»¶Ë¿ç¹ý¶¨»¬ÂÖ¸÷¹ÒÒ»¸öСÅÌ£¬ÅÌÖпÉÒԷŲ»Í¬µÄíÀÂ룬ÅÌÓëíÀÂëµÄ×ÜÖØÁ¦¿ÉÒÔ½üËÆÈÏΪÊÇС³µÊܵ½µÄÀÁ¦¡£Á½Ð¡³µºó¶Ë¸÷ϵһÌõϸÏߣ¬Óúڰå²Á¿ÉÒÔͬʱ°´×¡»ò·Å¿ªÕâÁ½ÌõϸÏߣ¬Ê¹Á½³µÍ¬Ê±Í£Ö¹»òÔ˶¯¡£Ä³´Î²Ù×÷ÖУ¬ÔÚÏàͬʱ¼äÄÚ²âµÃС³µµÄλÒÆ·Ö±ðΪx1¡¢x2£¬ÈôС³µµÄ¼ÓËٶȷֱðΪa1¡¢a2£¬Ôò a1¡Ãa2=_________£¬Õâô×öµÄÒÀ¾ÝÊÇ________________________________¡£
£¨2£©ÒÒͬѧÓÃÈçͼËùʾÆ÷²Ä½øÐж¨Á¿Ì½¾¿¡£ÓÃÀÁ¦´«¸ÐÆ÷(ÄܲâÁ¿ÀÁ¦µÄÒÇÆ÷)ºÍËٶȴ«¸ÐÆ÷(ÄܲâÁ¿Ë²Ê±ËٶȵÄÒÇÆ÷)̽¾¿¼ÓËÙ¶ÈÓëÎïÌåÊÜÁ¦µÄ¹Øϵ¡£ÓÃÀÁ¦´«¸ÐÆ÷¼Ç¼С³µÊܵ½ÀÁ¦µÄ´óС£¬ÔÚ³¤Ä¾°åÉÏÏà¾àL£½48.0cmµÄA¡¢BÁ½µã¸÷°²×°Ò»¸öËٶȴ«¸ÐÆ÷£¬·Ö±ð²âÁ¿Ð¡³µµ½´ïA¡¢BʱµÄËÙÂÊ¡£
¢ÙÒÒͬѧÈÏΪ£¬Ô˶¯Ê±Ð¡³µÊܵ½µÄÀÁ¦_____Ðü¹ÒÎïµÄ×ÜÖØÁ¦£¨Ñ¡Ìî¡°>¡±»ò¡°<¡±£©£¬ËùÒÔÒÒͬѧ²ÉÓÃÁ¦´«¸ÐÆ÷½øÐÐʵÑé¡£
¢ÚʵÑéÖ÷Òª²½ÖèÈçÏ£º
¢ñ¡¢½«ÀÁ¦´«¸ÐÆ÷¹Ì¶¨ÔÚС³µÉÏ£»
¢ò¡¢µæ¸ßľ°åÓҶˣ¬ÈÃС³µÔÚ²»ÊÜÀÁ¦Ê±×ö__________Ô˶¯£»
¢ó¡¢°ÑϸÏßµÄÒ»¶Ë¹Ì¶¨ÔÚÀÁ¦´«¸ÐÆ÷ÉÏ£¬ÁíÒ»¶Ëͨ¹ý¶¨»¬ÂÖÓë¹³ÂëÏàÁ¬£»Îª±£Ö¤Ï¸ÏßµÄÀÁ¦²»±ä£¬±ØÐëµ÷½Ú»¬Âֵĸ߶Èʹ___________________________________£»
¢ô¡¢½ÓͨµçÔ´ºó×ÔCµãÊÍ·ÅС³µ£¬Ð¡³µÔÚϸÏßÀ¶¯ÏÂÔ˶¯£¬¼Ç¼ϸÏßÀÁ¦FµÄ´óС¼°Ð¡³µ·Ö±ðµ½´ïA¡¢BʱµÄËÙÂÊvA¡¢vB£»
¢õ¡¢¸Ä±äËù¹Ò¹³ÂëµÄÊýÁ¿£¬Öظ´²½Öè¢ÜµÄ²Ù×÷¡£
¢ÛϱíÖмǼÁËʵÑé²âµÃµÄ¼¸×éÊý¾Ý,ÊÇÁ½¸öËٶȴ«¸ÐÆ÷¼Ç¼ËٶȵÄƽ·½²î£¬Ôò¼ÓËٶȵıí´ïʽa£½________£¨ÓÃÒÑÖª·ûºÅ±íʾ£©£¬Ç뽫±íÖеÚ4´ÎµÄʵÑéÊý¾ÝÌîдÍêÕû(½á¹û±£ÁôÈýλÓÐЧÊý×Ö)¡£
´ÎÊý | F/N | v£v/(m2¡¤s£2) | a/(m¡¤s£2) |
1 | 0.60 | 0.77 | 0.80 |
2 | 1.04 | 1.61 | 1.68 |
3 | 1.42 | 2.34 | 2.44 |
4 | 2.62 | 4.65 | ________ |
5 | 3.00 | 5.49 | 5.72 |
¢ÜÓɱíÖÐÊý¾Ý£¬ÔÚ×ø±êÖ½ÉÏ×÷³öa£F¹ØϵͼÏß______¡£
¢Ý¶Ô±ÈʵÑé½á¹ûÓëÀíÂÛ¼ÆËãµÃµ½µÄ¹ØϵͼÏß(ͼÖÐÒÑ»³öÀíÂÛͼÏß)£¬Ôì³ÉÉÏÊöÆ«²îµÄÔÒò³ýÁËÀÁ¦´«¸ÐÆ÷¶ÁÊý¿ÉÄÜÆ«´óÍ⣬»¹¿ÉÄÜÊÇ_____________________¡£