Ò»¸öÅçÆáÍ°Äܹ»ÏòÍâÅçÉ䲻ͬËٶȵÄÓÍÆáÎíµÎ£¬Ä³Í¬Ñ§¾ö¶¨²âÁ¿ÎíµÎµÄÅçÉäËٶȣ¬Ëû²ÉÓÃÈçͼ1ËùʾµÄ×°Öã¬Ò»¸öÖ±¾¶Îªd=40cmµÄÖ½´ø»·£¬°²·ÅÔÚÒ»¸ö¿ÉÒÔ°´ÕÕ²»Í¬×ªËÙת¶¯µÄ¹Ì¶¨×ªÌ¨ÉÏ£¬Ö½´ø»·ÉÏ¿ÌÓÐÒ»ÌõÏÁ·ìA£¬ÔÚÏÁ·ìAµÄÕý¶ÔÃæ»­Ò»Ìõ±êÖ¾Ïߣ¬Èçͼ1Ëùʾ£®ÔÚת̨¿ªÊ¼×ª¶¯´ïµ½Îȶ¨×ªËÙʱ£¬Ïò²àÃæͬÑù¿ªÓÐÏÁ·ìBµÄÖ½ºÐÖÐÅçÉäÓÍÆáÎíµÎ£¬µ±ÏÁ·ìAתÖÁÓëÏÁ·ìBÕý¶ÔƽÐÐʱ£¬ÎíµÎ±ãͨ¹ýÏÁ·ìAÔÚÖ½´øµÄÄÚ²àÃæÁôϺۼ££¨Èô´Ë¹ý³Ìת̨ת¹ý²»µ½Ò»È¦£©£®½«Ö½´ø´Óת̨ÉÏÈ¡ÏÂÀ´£¬Õ¹¿ªÆ½·Å£¬²¢ÓëºÁÃ׿̶ȳ߶ÔÆ룬Èçͼ2Ëùʾ£®  

£¨1£©ÉèÅçÉäµ½Ö½´øÉϵÄÓÍÆáÎíµÎºÛ¼£µ½±êÖ¾ÏߵľàÀëΪS£¬Ôò´Óͼ2¿ÉÖª£¬ÆäÖÐËÙ¶È×î´óµÄÎíµÎµ½±êÖ¾ÏߵľàÀëS1=____________cm£¬ËÙ¶È×îСµÄÎíµÎµ½±êÖ¾ÏߵľàÀëS2=____________cm£»
£¨2£©Èç¹ûת̨ת¶¯µÄÖÜÆÚΪT£¬ÔòÕâЩÎíµÎÅçÉäËٶȷ¶Î§µÄ¼ÆËã±í´ïʽΪV0=____________£¨ÓÃ×Öĸ±íʾ£©£»
£¨3£©Èç¹ûÒÔ×Ý×ø±ê±íʾÎíµÎËÙ¶ÈV0¡¢ºá×ø±ê±íʾÎíµÎ¾à±êÖ¾Ïß¾àÀëµÄµ¹Êý£¬»­³öͼÏߣ¬Èçͼ3Ëùʾ£¬Ôò¿É֪ת̨ת¶¯µÄÖÜÆÚΪT=____________s£®
£¨1£©2.1£¬2.9
£¨2£©
£¨3£©1.6
Á·Ï°²áϵÁдð°¸
Ïà¹ØÏ°Ìâ

¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º ÌâÐÍ£º

Ò»¸öÅçÆáÍ°Äܹ»ÏòÍâÅçÉ䲻ͬËٶȵÄÓÍÆáÎíµÎ£¬Ä³Í¬Ñ§¾ö¶¨²âÁ¿ÎíµÎµÄÅçÉäËٶȣ¬Ëû²ÉÓÃÈçͼ1ËùʾµÄ×°Öã¬Ò»¸öÖ±¾¶Îªd=40cmµÄÖ½´ø»·£¬°²·ÅÔÚÒ»¸ö¿ÉÒÔ°´ÕÕ²»Í¬×ªËÙת¶¯µÄ¹Ì¶¨×ªÌ¨ÉÏ£¬Ö½´ø»·ÉÏ¿ÌÓÐÒ»ÌõÏÁ·ìA£¬ÔÚÏÁ·ìAµÄÕý¶ÔÃæ»­Ò»Ìõ±êÖ¾Ïߣ¬Èçͼ1Ëùʾ£®ÔÚת̨¿ªÊ¼×ª¶¯´ïµ½Îȶ¨×ªËÙʱ£¬Ïò²àÃæͬÑù¿ªÓÐÏÁ·ìBµÄ¹Ì¶¨Ö½ºÐÖÐÅçÉäÓÍÆáÎíµÎ£¬µ±ÏÁ·ìAתÖÁÓëÏÁ·ìBÕý¶ÔƽÐÐʱ£¬ÎíµÎ±ãͨ¹ýÏÁ·ìAÔÈËÙÔ˶¯´òÔÚÖ½´øµÄÄÚ²àÃæÁôϺۼ££¨Èô´Ë¹ý³Ìת̨ת¹ý²»µ½Ò»È¦£©£®½«Ö½´ø´Óת̨ÉÏÈ¡ÏÂÀ´£¬Õ¹¿ªÆ½·Å£¬²¢ÓëºÁÃ׿̶ȳ߶ÔÆ룬Èçͼ2Ëùʾ£®

£¨1£©ÉèÅçÉäµ½Ö½´øÉϵÄÓÍÆáÎíµÎºÛ¼£µ½±êÖ¾ÏߵľàÀëΪS£¬Ôò´Óͼ2¿ÉÖª£¬ÆäÖÐËÙ¶È×î´óµÄÎíµÎµ½±êÖ¾ÏߵľàÀëS=
2.10¡«2.90
2.10¡«2.90
cm£¬
£¨2£©Èç¹ûת̨ת¶¯µÄÖÜÆÚΪT£¬ÔòÕâЩÎíµÎÅçÉäËٶȵļÆËã±í´ïʽΪv0=
¦Ðd2
Ts
¦Ðd2
Ts
 £¨ÓÃ×Öĸ±íʾ£©£»
£¨3£©Èç¹ûÒÔ×Ý×ø±ê±íʾÎíµÎµÄËÙ¶ÈV0£¬ºá×ø±ê±íʾÎíµÎ¾à±êÖ¾Ïß¾àÀëµÄµ¹Êý
1
S
£¬»­³öv0-
1
S
ͼÏߣ¬Èçͼ3Ëùʾ£¬Ôò¿É֪ת̨ת¶¯µÄÖÜÆÚΪT=
1.6
1.6
s£®

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º ÌâÐÍ£º

Ò»¸öÅçÆáÍ°Äܹ»ÏòÍâÅçÉ䲻ͬËٶȵÄÓÍÆáÎíµÎ£¬Ä³Í¬Ñ§¾ö¶¨²âÁ¿ÎíµÎµÄÅçÉäËٶȣ¬Ëû²ÉÓÃÈçͼ1ËùʾµÄ×°Öã¬Ò»¸öÖ±¾¶Îªd=40cmµÄÖ½´ø»·£¬°²·ÅÔÚÒ»¸ö¿ÉÒÔ°´ÕÕ²»Í¬×ªËÙת¶¯µÄ¹Ì¶¨×ªÌ¨ÉÏ£¬Ö½´ø»·ÉÏ¿ÌÓÐÒ»ÌõÏÁ·ìA£¬ÔÚÏÁ·ìAµÄÕý¶ÔÃæ»­Ò»Ìõ±êÖ¾Ïߣ¬Èçͼ1Ëùʾ£®ÔÚת̨¿ªÊ¼×ª¶¯´ïµ½Îȶ¨×ªËÙʱ£¬Ïò²àÃæͬÑù¿ªÓÐÏÁ·ìBµÄÖ½ºÐÖÐÅçÉäÓÍÆáÎíµÎ£¬µ±ÏÁ·ìAתÖÁÓëÏÁ·ìBÕý¶ÔƽÐÐʱ£¬ÎíµÎ±ãͨ¹ýÏÁ·ìAÔÚÖ½´øµÄÄÚ²àÃæÁôϺۼ££¨Èô´Ë¹ý³Ìת̨ת¹ý²»µ½Ò»È¦£©£®½«Ö½´ø´Óת̨ÉÏÈ¡ÏÂÀ´£¬Õ¹¿ªÆ½·Å£¬²¢ÓëºÁÃ׿̶ȳ߶ÔÆ룬Èçͼ2Ëùʾ£®
£¨1£©ÉèÅçÉäµ½Ö½´øÉϵÄÓÍÆáÎíµÎºÛ¼£µ½±êÖ¾ÏߵľàÀëΪS£¬Ôò´Óͼ2¿ÉÖª£¬ÆäÖÐËÙ¶È×î´óµÄÎíµÎµ½±êÖ¾ÏߵľàÀëS1=
 
cm£¬ËÙ¶È×îСµÄÎíµÎµ½±êÖ¾ÏߵľàÀëS2=
 
cm£» 
£¨2£©Èç¹ûת̨ת¶¯µÄÖÜÆÚΪT£¬ÔòÕâЩÎíµÎÅçÉäËٶȷ¶Î§µÄ¼ÆËã±í´ïΪV0=
 
 £¨ÓÃ×Öĸ±íʾ£©£»
£¨3£©Èç¹ûÒÔ×Ý×ø±ê±íʾÎíµÎËÙ¶ÈV0¡¢ºá×ø±ê±íʾÎíµÎ¾à±êÖ¾Ïß¾àÀëµÄµ¹Êý
1
S
£¬»­³öV0-
1
S
ͼÏߣ¬Èçͼ3Ëùʾ£¬Ôò¿É֪ת̨ת¶¯µÄÖÜÆÚΪT=
 
s£®
¾«Ó¢¼Ò½ÌÍø

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º2015½ìºþ±±ÏåÑôËÄÖС¢¾£ÖÝ¡¢ÁúȪÖÐѧ¸ßÒ»ÏÂÆÚÖÐÎïÀíÊÔ¾í£¨½âÎö°æ£© ÌâÐÍ£ºÊµÑéÌâ

Ò»¸öÅçÆáÍ°Äܹ»ÏòÍâÅçÉ䲻ͬËٶȵÄÓÍÆáÎíµÎ£¬Ä³Í¬Ñ§¾ö¶¨²âÁ¿ÎíµÎµÄÅçÉäËٶȣ¬Ëû²ÉÓÃÈçͼ1ËùʾµÄ×°Öã¬Ò»¸öÖ±¾¶Îªd=40cmµÄÖ½´ø»·, °²·ÅÔÚÒ»¸ö¿ÉÒÔ°´ÕÕ²»Í¬×ªËÙת¶¯µÄ¹Ì¶¨×ªÌ¨ÉÏ£¬Ö½´ø»·ÉÏ¿ÌÓÐÒ»ÌõÏÁ·ìA£¬ÔÚÏÁ·ìAµÄÕý¶ÔÃæ»­Ò»Ìõ±êÖ¾Ïߣ¬Èçͼ1Ëùʾ£®ÔÚת̨¿ªÊ¼×ª¶¯´ïµ½Îȶ¨×ªËÙʱ£¬Ïò²àÃæͬÑù¿ªÓÐÏÁ·ìBµÄ¹Ì¶¨Ö½ºÐÖÐÅçÉäÓÍÆáÎíµÎ£¬µ±ÏÁ·ìAתÖÁÓëÏÁ·ìBÕý¶ÔƽÐÐʱ£¬ÎíµÎ±ãͨ¹ýÏÁ·ìAÔÈËÙÔ˶¯´òÔÚÖ½´øµÄÄÚ²àÃæÁôϺۼ££¨Èô´Ë¹ý³Ìת̨ת¹ý²»µ½Ò»È¦£©£®½«Ö½´ø´Óת̨ÉÏÈ¡ÏÂÀ´£¬Õ¹¿ªÆ½·Å£¬²¢ÓëºÁÃ׿̶ȳ߶ÔÆ룬Èçͼ2Ëùʾ£®

£¨1£©ÉèÅçÉäµ½Ö½´øÉϵÄÓÍÆáÎíµÎºÛ¼£µ½±êÖ¾ÏߵľàÀëΪ£¬Ôò´Óͼ2¿ÉÖª£¬ÆäÖÐËÙ¶È×î´óµÄÎíµÎµ½±êÖ¾ÏߵľàÀëS=¡¡¡¡¡¡   cm£¬

£¨2£©Èç¹ûת̨ת¶¯µÄÖÜÆÚΪT£¬ÔòÕâЩÎíµÎÅçÉäËٶȵļÆËã±í´ïʽΪv0=¡¡¡¡ ¡¡   £¨ÓÃ×Öĸ±íʾ£©£»

£¨3£©Èç¹ûÒÔ×Ý×ø±ê±íʾÎíµÎµÄËÙ¶ÈV0£¬ºá×ø±ê±íʾÎíµÎ¾à±êÖ¾Ïß¾àÀëµÄµ¹Êý£¬»­³öv0-ͼÏߣ¬Èçͼ3Ëùʾ£¬Ôò¿É֪ת̨ת¶¯µÄÖÜÆÚΪ¡¡¡¡¡¡¡¡s

 

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º2012ÄêÉϺ£ÊгçÃ÷Ïظ߿¼ÎïÀí¶þÄ£ÊÔ¾í£¨½âÎö°æ£© ÌâÐÍ£º½â´ðÌâ

Ò»¸öÅçÆáÍ°Äܹ»ÏòÍâÅçÉ䲻ͬËٶȵÄÓÍÆáÎíµÎ£¬Ä³Í¬Ñ§¾ö¶¨²âÁ¿ÎíµÎµÄÅçÉäËٶȣ¬Ëû²ÉÓÃÈçͼ1ËùʾµÄ×°Öã¬Ò»¸öÖ±¾¶Îªd=40cmµÄÖ½´ø»·£¬°²·ÅÔÚÒ»¸ö¿ÉÒÔ°´ÕÕ²»Í¬×ªËÙת¶¯µÄ¹Ì¶¨×ªÌ¨ÉÏ£¬Ö½´ø»·ÉÏ¿ÌÓÐÒ»ÌõÏÁ·ìA£¬ÔÚÏÁ·ìAµÄÕý¶ÔÃæ»­Ò»Ìõ±êÖ¾Ïߣ¬Èçͼ1Ëùʾ£®ÔÚת̨¿ªÊ¼×ª¶¯´ïµ½Îȶ¨×ªËÙʱ£¬Ïò²àÃæͬÑù¿ªÓÐÏÁ·ìBµÄÖ½ºÐÖÐÅçÉäÓÍÆáÎíµÎ£¬µ±ÏÁ·ìAתÖÁÓëÏÁ·ìBÕý¶ÔƽÐÐʱ£¬ÎíµÎ±ãͨ¹ýÏÁ·ìAÔÚÖ½´øµÄÄÚ²àÃæÁôϺۼ££¨Èô´Ë¹ý³Ìת̨ת¹ý²»µ½Ò»È¦£©£®½«Ö½´ø´Óת̨ÉÏÈ¡ÏÂÀ´£¬Õ¹¿ªÆ½·Å£¬²¢ÓëºÁÃ׿̶ȳ߶ÔÆ룬Èçͼ2Ëùʾ£®
£¨1£©ÉèÅçÉäµ½Ö½´øÉϵÄÓÍÆáÎíµÎºÛ¼£µ½±êÖ¾ÏߵľàÀëΪS£¬Ôò´Óͼ2¿ÉÖª£¬ÆäÖÐËÙ¶È×î´óµÄÎíµÎµ½±êÖ¾ÏߵľàÀëS1=______cm£¬ËÙ¶È×îСµÄÎíµÎµ½±êÖ¾ÏߵľàÀëS2=______cm£» 
£¨2£©Èç¹ûת̨ת¶¯µÄÖÜÆÚΪT£¬ÔòÕâЩÎíµÎÅçÉäËٶȷ¶Î§µÄ¼ÆËã±í´ïΪV=______ £¨ÓÃ×Öĸ±íʾ£©£»
£¨3£©Èç¹ûÒÔ×Ý×ø±ê±íʾÎíµÎËÙ¶ÈV¡¢ºá×ø±ê±íʾÎíµÎ¾à±êÖ¾Ïß¾àÀëµÄµ¹Êý£¬»­³öV-ͼÏߣ¬Èçͼ3Ëùʾ£¬Ôò¿É֪ת̨ת¶¯µÄÖÜÆÚΪT=______s£®

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º ÌâÐÍ£º

Ò»¸öÅçÆáÍ°Äܹ»ÏòÍâÅçÉ䲻ͬËٶȵÄÓÍÆáÎíµÎ£¬Ä³Í¬Ñ§¾ö¶¨²âÁ¿ÎíµÎµÄÅçÉäËٶȣ¬Ëû²ÉÓÃÈçͼ1ËùʾµÄ×°Öã¬Ò»¸öÖ±¾¶Îªd=40cmµÄÖ½´ø»·, °²·ÅÔÚÒ»¸ö¿ÉÒÔ°´ÕÕ²»Í¬×ªËÙת¶¯µÄ¹Ì¶¨×ªÌ¨ÉÏ£¬Ö½´ø»·ÉÏ¿ÌÓÐÒ»ÌõÏÁ·ìA£¬ÔÚÏÁ·ìAµÄÕý¶ÔÃæ»­Ò»Ìõ±êÖ¾Ïߣ¬Èçͼ1Ëùʾ£®ÔÚת̨¿ªÊ¼×ª¶¯´ïµ½Îȶ¨×ªËÙʱ£¬Ïò²àÃæͬÑù¿ªÓÐÏÁ·ìBµÄ¹Ì¶¨Ö½ºÐÖÐÅçÉäÓÍÆáÎíµÎ£¬µ±ÏÁ·ìAתÖÁÓëÏÁ·ìBÕý¶ÔƽÐÐʱ£¬ÎíµÎ±ãͨ¹ýÏÁ·ìAÔÈËÙÔ˶¯´òÔÚÖ½´øµÄÄÚ²àÃæÁôϺۼ££¨Èô´Ë¹ý³Ìת̨ת¹ý²»µ½Ò»È¦£©£®½«Ö½´ø´Óת̨ÉÏÈ¡ÏÂÀ´£¬Õ¹¿ªÆ½·Å£¬²¢ÓëºÁÃ׿̶ȳ߶ÔÆ룬Èçͼ2Ëùʾ£®

£¨1£©ÉèÅçÉäµ½Ö½´øÉϵÄÓÍÆáÎíµÎºÛ¼£µ½±êÖ¾ÏߵľàÀëΪ£¬Ôò´Óͼ2¿ÉÖª£¬ÆäÖÐËÙ¶È×î´óµÄÎíµÎµ½±êÖ¾ÏߵľàÀëS=¡¡¡¡¡¡   cm£¬

£¨2£©Èç¹ûת̨ת¶¯µÄÖÜÆÚΪT£¬ÔòÕâЩÎíµÎÅçÉäËٶȵļÆËã±í´ïʽΪv0=¡¡¡¡ ¡¡   £¨ÓÃ×Öĸ±íʾ£©£»

£¨3£©Èç¹ûÒÔ×Ý×ø±ê±íʾÎíµÎµÄËÙ¶ÈV0£¬ºá×ø±ê±íʾÎíµÎ¾à±êÖ¾Ïß¾àÀëµÄµ¹Êý£¬»­³öv0-ͼÏߣ¬Èçͼ3Ëùʾ£¬Ôò¿É֪ת̨ת¶¯µÄÖÜÆÚΪ¡¡¡¡¡¡¡¡s

²é¿´´ð°¸ºÍ½âÎö>>

ͬ²½Á·Ï°²á´ð°¸