һλͬѧÓõ¥°Ú×ö²â¶¨ÖØÁ¦¼ÓËٶȵÄʵÑé,Ëû½«µ¥°Ú¹ÒÆðºó,½øÐÐÁËÈçϲ½Öè:
A.²â°Ú³¤l:ÓÃÃ׳ßÁ¿³ö°ÚÏߵij¤¶È
B.²âÖÜÆÚT:½«°ÚÇòÀÆð,È»ºó·Å¿ª,ÔÚ°ÚÇòij´Îͨ¹ý×îµÍµãʱ,°´ÏÂÃë±í¿ªÊ¼¼Æʱ,ͬʱ½«´Ë´Îͨ¹ý×îµÍµã×÷ΪµÚÒ»´Î,½Ó×ÅÒ»Ö±Êýµ½°ÚÇòµÚ60´Îͨ¹ý×îµÍµãʱ,°´Ãë±íÍ£Ö¹¼Æʱ,¶Á³öÕâ¶Îʱ¼ät,Ëã³öµ¥°ÚµÄÖÜÆÚT=
C.½«Ëù²âµÃµÄlºÍT´úÈëµ¥°ÚµÄÖÜÆÚ¹«Ê½T=2¦Ð,Ëã³ög,½«Ëü×÷ΪʵÑéµÄ×îºó½á¹ûдÈ뱨¸æÖÐÈ¥
Ö¸³öÉÏÃæ²½ÖèÖÐÒÅ©»ò´íÎóµÄµØ·½,д³ö¸Ã²½ÖèµÄ×Öĸ,²¢¼ÓÒÔ¸ÄÕý.
_______________________________________________________________________________
_______________________________________________________________________________
A.ÒªÓÿ¨³ßÁ¿³ö°ÚÇòÖ±¾¶d,°Ú³¤lµÈÓÚ°ÚÏß³¤ÓëÖ®ºÍ;B.T=;C.gÓ¦¶à²â¼¸´Î,È»ºóȡƽ¾ùÖµ×÷ΪʵÑéµÄ×îºó½á¹û.
¡¾½âÎö¡¿±¾ÌâÆ«ÖØʵÑé²Ù×÷ÖеÄ×¢ÒâÊÂÏî.²â°Ú³¤Ó¦²â³ö°ÚÇòµÄÖØÐĵ½ÐüµãµÄ¾àÀë.ÒªÓÃÓα꿨³ß²â°ÚÇòÖ±¾¶d,°Ú³¤lµÈÓÚ¡°°ÚµÄ³¤¼Ód/2¡±.
²âÖÜÆÚÊǹؼü,Ò²ÊDZ¾ÌâÄѵ㡢Ò×´íµã.ÌâÖÐËùÊö´ÓµÚ1´Îµ½µÚ60´Îͨ¹ý×îµÍµã,¾ÀúµÄʱ¼äÊÇ(60-1)/2=29.5¸öÖÜÆÚ,ËùÒÔT=t/29.5.
ÔÚÊý¾Ý´¦ÀíÉÏ,Ó¦·Ö±ð¶ÔlºÍT²âÁ¿¶à´Î,Çó³öËüÃǵÄƽ¾ùÖµlºÍT,È»ºó´úÈ빫ʽ=4¦Ð2l/T2,Çó³öµÄgÖµ²Å¿ÉÒÔ×÷ΪʵÑé×îÖÕ½á¹û.Ò²¿ÉÒÔ²â¶à´ÎlºÍT,ÓÃg=4¦Ð2l/T2Ëã³ö¶à¸ögÖµ,ÔÙÓÃg=(g1+g2+¡+gn)/nÇóƽ¾ùÖµ.¶à´Î²âÁ¿Çóƽ¾ùÖµµÄÄ¿µÄÊÇΪÁË¿Ë·þżȻÎó²î.
˼··ÖÎö£º°Ú³¤µÈÓÚ°ÚÏß³¤ÓëÇò°ë¾¶Ö®ºÍ£»°ÚÇòÿ¾¹ýÒ»´Î×îµÍµã£¬ËùÐèµÄʱ¼äΪ°ë¸öÖÜÆÚ£¬ËùÒÔ¾¹ý60´ÎÔò°ÚÇòÕñ¶¯ÁË29.5¸öÈ«Õñ¶¯£»¶ÔÓÚʵÑé½á¹ûÓ¦¶à´Î²âÁ¿Çóƽ¾ùÖµ£¬¼õСʵÑéÎó²î
ÊÔÌâµãÆÀ£º±¾ÌâÆ«ÖØʵÑé²Ù×÷ÖеÄ×¢ÒâÊÂÏî.£¬Ò»¶¨Òª×¢Òâ°Ú³¤£¬ÖÜÆڵIJâÁ¿£¬ÒÔ¼°Ê¹Óöà´Î²âÁ¿Çóƽ¾ùÖµ
Ä꼶 | ¸ßÖÐ¿Î³Ì | Ä꼶 | ³õÖÐ¿Î³Ì |
¸ßÒ» | ¸ßÒ»Ãâ·Ñ¿Î³ÌÍƼö£¡ | ³õÒ» | ³õÒ»Ãâ·Ñ¿Î³ÌÍƼö£¡ |
¸ß¶þ | ¸ß¶þÃâ·Ñ¿Î³ÌÍƼö£¡ | ³õ¶þ | ³õ¶þÃâ·Ñ¿Î³ÌÍƼö£¡ |
¸ßÈý | ¸ßÈýÃâ·Ñ¿Î³ÌÍƼö£¡ | ³õÈý | ³õÈýÃâ·Ñ¿Î³ÌÍƼö£¡ |
¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º ÌâÐÍ£º
A.²â°Ú³¤l:ÓÃÃ׳ßÁ¿³ö°ÚÏߵij¤¶È
B.²âÖÜÆÚT:½«°ÚÇòÀÆð,È»ºó·Å¿ª,ÔÚ°ÚÇòij´Îͨ¹ý×îµÍµãʱ,°´ÏÂÃë±í¿ªÊ¼¼Æʱ,ͬʱ½«´Ë´Îͨ¹ý×îµÍµã×÷ΪµÚÒ»´Î,½Ó×ÅÒ»Ö±Êýµ½°ÚÇòµÚ60´Îͨ¹ý×îµÍµãʱ,°´Ãë±íÍ£Ö¹¼Æʱ,¶Á³öÕâ¶Îʱ¼ät,Ëã³öµ¥°ÚµÄÖÜÆÚT=
C.½«Ëù²âµÃµÄlºÍT´úÈëµ¥°ÚµÄÖÜÆÚ¹«Ê½T=2¦Ð,Ëã³ög,½«Ëü×÷ΪʵÑéµÄ×îºó½á¹ûдÈ뱨¸æÖÐÈ¥
Ö¸³öÉÏÃæ²½ÖèÖÐÒÅ©»ò´íÎóµÄµØ·½,д³ö¸Ã²½ÖèµÄ×Öĸ,²¢¼ÓÒÔ¸ÄÕý.
_____________________________________________________________________
____________________________________________________________________
²é¿´´ð°¸ºÍ½âÎö>>
¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º ÌâÐÍ£º
A.²â°Ú³¤l£ºÓÃÃ׳ßÁ¿³ö°ÚÏߵij¤¶È.?
B.²âÖÜÆÚT£º½«°ÚÇòÀÆð£¬È»ºó·Å¿ª.ÔÚ°ÚÇòij´Îͨ¹ý×îµÍµãʱ£¬°´ÏÂÃë±í¿ªÊ¼¼Æʱ£¬Í¬Ê±½«´Ë´Îͨ¹ý×îµÍµã×÷ΪµÚÒ»´Î£¬½Ó×ÅÒ»Ö±Êýµ½°ÚÇòµÚ60´Îͨ¹ý×îµÍµãʱ£¬°´Ãë±íÍ£Ö¹¼Æʱ£¬¶Á³öÕâ¶Îʱ¼ät£¬Ëã³öµ¥°ÚµÄÖÜÆÚ
C.½«Ëù²âµÃµÄlºÍT´úÈëµ¥°ÚµÄÖÜÆÚ¹«Ê½Ëã³ög£¬½«Ëü×÷ΪʵÑéµÄ×îºó½á¹ûдÈ뱨¸æÖÐÈ¥.?
Ö¸³öÉÏÃæ²½ÖèÖÐÒÅ©»ò´íÎóµÄµØ·½£¬Ð´³ö¸Ã²½ÖèµÄ×Öĸ£¬²¢¼ÓÒÔ¸ÄÕý.£¨²»ÒªÇó½øÐÐÎó²î¼ÆË㣩
²é¿´´ð°¸ºÍ½âÎö>>
¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º ÌâÐÍ£º
һλͬѧÓõ¥°Ú×ö²â¶¨ÖØÁ¦¼ÓËٶȵÄʵÑ飬Ëû½«°Ú¹ÒÆðºó£¬½øÐÐÁËÈçϲ½Ö裺
A.²â°Ú³¤l£ºÓÃÃ׳߲âÁ¿³ö°ÚÏß³¤¶È£»
B.²âÖÜÆÚT£º½«°ÚÇòÀÆð£¬È»ºó·Å¿ª£¬ÔÚ°ÚÇòͨ¹ý×îµÍµãʱ£¬°´ÏÂÃë±í¿ªÊ¼¼Æʱ£¬Í¬Ê±½«´Ë´Îͨ¹ý×îµÍµã×÷ΪµÚÒ»´Î£¬½Ó×ÅÒ»Ö±Êýµ½µÚ60´Îͨ¹ý×îµÍµãʱ£¬°´Ãë±íÍ£Ö¹¼Æʱ£¬¶Á³öÕâ¶Îʱ¼ä£¬Ëã³öµ¥°ÚÖÜÆÚ£»
C.½«Ëù²âµÃµÄlºÍTÖµ´úÈëµ¥°ÚµÄÖÜÆÚ¹«Ê½ÖУ¬Ëã³ög£¬½«Ëü×÷ΪʵÑé½á¹ûдÈ뱨¸æÖÐÈ¥.
ÇëÖ¸³öÉÏÊö²½ÖèÖÐÒÅ©»ò´íÎóµÄµØ·½£¬²¢¼ÓÒÔ¸ÄÕý.
²é¿´´ð°¸ºÍ½âÎö>>
¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º ÌâÐÍ£º
һλͬѧÓõ¥°Ú×ö²â¶¨ÖØÁ¦¼ÓËٶȵÄʵÑé, Ëû½«°Ú¹ÒÆðºó£¬½øÐÐÁËÈçϲ½Ö裺
A. ²â°Ú³¤l £ºÓÃÃ׳ßÁ¿³ö°ÚÏߵij¤¶È£»
B£®²âÖÜÆÚT £º½«°ÚÇòÀÆð£¬È»ºó·Å¿ª£¬ÔÚ°ÚÇòij´Îͨ¹ý×îµÍµãʱ£¬°´ÏÂÃë±í¿ªÊ¼¼Æʱ£¬Í¬Ê±½«´Ë´Îͨ¹ý×îµÍµã×÷ΪµÚ1´Î£¬½Ó×ÅÒ»Ö±Êýµ½°ÚÇòµÚ60´Îͨ¹ý×îµÍµãʱ£¬°´ÏÂÃë±íÍ£Ö¹¼Æʱ£¬¶Á³öÕâ¶Îʱ¼ät £¬Ëã³öµ¥°ÚµÄÖÜÆÚ T = t /60 £»
C£®½«Ëù²âµÃµÄlºÍT´úÈ˵¥°ÚµÄÖÜÆÚ¹«Ê½ £¬Ëã³ögÌîÈ뱨¸æ²á.
Ö¸³öÉÏÃæ²½ÖèÖÐÒÅ©»ò´íÎóµÄµØ·½£¬Ð´³ö¸Ã²½ÖèµÄ×Öĸ£¬²¢¼ÓÒÔ¸ÄÕý (²»ÒªÇó½øÐÐÎó²î¼ÆËã)¡£
²é¿´´ð°¸ºÍ½âÎö>>
¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º2010-2011ѧÄê¸ß¿¼ÎïÀíÈȵãÔ¤²âרÌâ6»úеÕñ¶¯Óë»úе²¨ ÌâÐÍ£ºÌî¿ÕÌâ
һλͬѧÓõ¥°Ú×ö²â¶¨ÖØÁ¦¼ÓËٶȵÄʵÑé, Ëû½«°Ú¹ÒÆðºó£¬½øÐÐÁËÈçϲ½Ö裺
A. ²â°Ú³¤l £ºÓÃÃ׳ßÁ¿³ö°ÚÏߵij¤¶È£»
B£®²âÖÜÆÚT £º½«°ÚÇòÀÆð£¬È»ºó·Å¿ª£¬ÔÚ°ÚÇòij´Îͨ¹ý×îµÍµãʱ£¬°´ÏÂÃë±í¿ªÊ¼¼Æʱ£¬Í¬Ê±½«´Ë´Îͨ¹ý×îµÍµã×÷ΪµÚ1´Î£¬½Ó×ÅÒ»Ö±Êýµ½°ÚÇòµÚ60´Îͨ¹ý×îµÍµãʱ£¬°´ÏÂÃë±íÍ£Ö¹¼Æʱ£¬¶Á³öÕâ¶Îʱ¼ät £¬Ëã³öµ¥°ÚµÄÖÜÆÚ T = t /60 £»
C£®½«Ëù²âµÃµÄlºÍT´úÈ˵¥°ÚµÄÖÜÆÚ¹«Ê½ £¬Ëã³ögÌîÈ뱨¸æ²á.
Ö¸³öÉÏÃæ²½ÖèÖÐÒÅ©»ò´íÎóµÄµØ·½£¬Ð´³ö¸Ã²½ÖèµÄ×Öĸ£¬²¢¼ÓÒÔ¸ÄÕý (²»ÒªÇó½øÐÐÎó²î¼ÆËã)¡£
²é¿´´ð°¸ºÍ½âÎö>>
°Ù¶ÈÖÂÐÅ - Á·Ï°²áÁбí - ÊÔÌâÁбí
ºþ±±Ê¡»¥ÁªÍøÎ¥·¨ºÍ²»Á¼ÐÅÏ¢¾Ù±¨Æ½Ì¨ | ÍøÉÏÓк¦ÐÅÏ¢¾Ù±¨×¨Çø | µçÐÅթƾٱ¨×¨Çø | ÉæÀúÊ·ÐéÎÞÖ÷ÒåÓк¦ÐÅÏ¢¾Ù±¨×¨Çø | ÉæÆóÇÖȨ¾Ù±¨×¨Çø
Î¥·¨ºÍ²»Á¼ÐÅÏ¢¾Ù±¨µç»°£º027-86699610 ¾Ù±¨ÓÊÏ䣺58377363@163.com