ÌâÄ¿ÄÚÈÝ
ijһʱÆÚ£¬ÑïÖÝ¿ªÍù¹ãÖݵÄK221´ÎÌØ¿ìÁгµÔËÐÐʱ¿Ì±íÈçÏ£º
¸ù¾ÝÁгµÔËÐÐʱ¿Ì±í»Ø´ðÏÂÁÐÎÊÌ⣺
£¨1£©¼ÆËãÁгµÓÉÑïÖÝ¿ªÍù¹ãÖÝËùÐèµÄʱ¼ä£®
£¨2£©¼ÆËãÁгµÓÉÑïÖÝ¿ªÍùÄϾ©Â·¶ÎµÄƽ¾ùËٶȣ®
£¨3£©¼ÙÈçÁгµÓÃÉÏÃæµÄËÙ¶Èͨ¹ýÄϾ©³¤½´óÇÅ£¬ÒÑÖªÄϾ©³¤½´óÇÅÈ«³¤6772m£¬K221´ÎÌØ¿ìÁгµÓÐ11½Ú³µÏá¹²³¤228m£¬ÇóÁгµ¾¹ý´óÇÅËùÐèʱ¼ä£®
ÑïÖÝ | ÄϾ© | »Æɽ | ƼÏç | ³»ÖÝ | ¹ãÖÝ | |
µ½´ïʱ¼ä | 19£º10 | 01£º22 | 12£º02 | 17£º30 | 21£º50 | |
·¢³µÊ±¼ä | 17£º30 | 19£º16 | 01£º30 | 12£º10 | 17£º36 | |
Àï³Ì/km | 0 | 100 | 471 | 1167 | 1530 | 1904 |
£¨1£©¼ÆËãÁгµÓÉÑïÖÝ¿ªÍù¹ãÖÝËùÐèµÄʱ¼ä£®
£¨2£©¼ÆËãÁгµÓÉÑïÖÝ¿ªÍùÄϾ©Â·¶ÎµÄƽ¾ùËٶȣ®
£¨3£©¼ÙÈçÁгµÓÃÉÏÃæµÄËÙ¶Èͨ¹ýÄϾ©³¤½´óÇÅ£¬ÒÑÖªÄϾ©³¤½´óÇÅÈ«³¤6772m£¬K221´ÎÌØ¿ìÁгµÓÐ11½Ú³µÏá¹²³¤228m£¬ÇóÁгµ¾¹ý´óÇÅËùÐèʱ¼ä£®
£¨1£©ÁгµÓÉÑïÖÝ¿ªÍù¹ãÖÝËùÐèµÄʱ¼ä£º
t1=24£º00-17£º30+21£º50=6h30min+21h50min=28h20min£»
£¨2£©ÁгµÓÉÑïÖݵ½ÄϾ©µÄʱ¼ä£º
t2=19£º10-17£º30=1h40min=
h£¬
s2=100km£¬
v=
=
=60km/h=
m/s£»
£¨3£©ÁгµÍ¨¹ýÄϾ©³¤½´óÇÅ×ߵķ³Ì£º
s3=L³µ+LÇÅ=228m+6772m=7000m£¬
t3=
=
=420s=7min£®
´ð£º£¨1£©ÁгµÓÉÑïÖÝ¿ªÍù¹ãÖÝËùÐèµÄʱ¼äΪ28h20min£»
£¨2£©ÁгµÓÉÑïÖÝ¿ªÍùÄϾ©Â·¶ÎµÄƽ¾ùËÙ¶ÈΪ60km/h£»
£¨3£©Áгµ¾¹ý´óÇÅËùÐèʱ¼äΪ7min£®
t1=24£º00-17£º30+21£º50=6h30min+21h50min=28h20min£»
£¨2£©ÁгµÓÉÑïÖݵ½ÄϾ©µÄʱ¼ä£º
t2=19£º10-17£º30=1h40min=
5 |
3 |
s2=100km£¬
v=
s2 |
t2 |
100km | ||
|
50 |
3 |
£¨3£©ÁгµÍ¨¹ýÄϾ©³¤½´óÇÅ×ߵķ³Ì£º
s3=L³µ+LÇÅ=228m+6772m=7000m£¬
t3=
s3 |
v |
7000m | ||
|
´ð£º£¨1£©ÁгµÓÉÑïÖÝ¿ªÍù¹ãÖÝËùÐèµÄʱ¼äΪ28h20min£»
£¨2£©ÁгµÓÉÑïÖÝ¿ªÍùÄϾ©Â·¶ÎµÄƽ¾ùËÙ¶ÈΪ60km/h£»
£¨3£©Áгµ¾¹ý´óÇÅËùÐèʱ¼äΪ7min£®
Á·Ï°²áϵÁдð°¸
Ïà¹ØÌâÄ¿
ijһʱÆÚ£¬ÑïÖÝ¿ªÍù¹ãÖݵÄK221´ÎÌØ¿ìÁгµÔËÐÐʱ¿Ì±íÈçÏ£º
¸ù¾ÝÁгµÔËÐÐʱ¿Ì±í»Ø´ðÏÂÁÐÎÊÌ⣺
£¨1£©¼ÆËãÁгµÓÉÑïÖÝ¿ªÍù¹ãÖÝËùÐèµÄʱ¼ä£®
£¨2£©¼ÆËãÁгµÓÉÑïÖÝ¿ªÍùÄϾ©Â·¶ÎµÄƽ¾ùËٶȣ®
£¨3£©¼ÙÈçÁгµÓÃÉÏÃæµÄËÙ¶Èͨ¹ýÄϾ©³¤½´óÇÅ£¬ÒÑÖªÄϾ©³¤½´óÇÅÈ«³¤6772m£¬K221´ÎÌØ¿ìÁгµÓÐ11½Ú³µÏá¹²³¤228m£¬ÇóÁгµ¾¹ý´óÇÅËùÐèʱ¼ä£®
ÑïÖÝ | ÄϾ© | »Æɽ | ƼÏç | ³»ÖÝ | ¹ãÖÝ | |
µ½´ïʱ¼ä | 19£º10 | 01£º22 | 12£º02 | 17£º30 | 21£º50 | |
·¢³µÊ±¼ä | 17£º30 | 19£º16 | 01£º30 | 12£º10 | 17£º36 | |
Àï³Ì/km | 100 | 471 | 1167 | 1530 | 1904 |
£¨1£©¼ÆËãÁгµÓÉÑïÖÝ¿ªÍù¹ãÖÝËùÐèµÄʱ¼ä£®
£¨2£©¼ÆËãÁгµÓÉÑïÖÝ¿ªÍùÄϾ©Â·¶ÎµÄƽ¾ùËٶȣ®
£¨3£©¼ÙÈçÁгµÓÃÉÏÃæµÄËÙ¶Èͨ¹ýÄϾ©³¤½´óÇÅ£¬ÒÑÖªÄϾ©³¤½´óÇÅÈ«³¤6772m£¬K221´ÎÌØ¿ìÁгµÓÐ11½Ú³µÏá¹²³¤228m£¬ÇóÁгµ¾¹ý´óÇÅËùÐèʱ¼ä£®
ijһʱÆÚ£¬ÑïÖÝ¿ªÍù¹ãÖݵÄK221´ÎÌØ¿ìÁгµÔËÐÐʱ¿Ì±íÈçÏ£º
¸ù¾ÝÁгµÔËÐÐʱ¿Ì±í»Ø´ðÏÂÁÐÎÊÌ⣺
£¨1£©¼ÆËãÁгµÓÉÑïÖÝ¿ªÍù¹ãÖÝËùÐèµÄʱ¼ä£®
£¨2£©¼ÆËãÁгµÓÉÑïÖÝ¿ªÍùÄϾ©Â·¶ÎµÄƽ¾ùËٶȣ®
£¨3£©¼ÙÈçÁгµÓÃÉÏÃæµÄËÙ¶Èͨ¹ýÄϾ©³¤½´óÇÅ£¬ÒÑÖªÄϾ©³¤½´óÇÅÈ«³¤6772m£¬K221´ÎÌØ¿ìÁгµÓÐ11½Ú³µÏá¹²³¤228m£¬ÇóÁгµ¾¹ý´óÇÅËùÐèʱ¼ä£®
ÑïÖÝ | ÄϾ© | »Æɽ | ƼÏç | ³»ÖÝ | ¹ãÖÝ | |
µ½´ïʱ¼ä | 19£º10 | 01£º22 | 12£º02 | 17£º30 | 21£º50 | |
·¢³µÊ±¼ä | 17£º30 | 19£º16 | 01£º30 | 12£º10 | 17£º36 | |
Àï³Ì/km | 100 | 471 | 1167 | 1530 | 1904 |
£¨1£©¼ÆËãÁгµÓÉÑïÖÝ¿ªÍù¹ãÖÝËùÐèµÄʱ¼ä£®
£¨2£©¼ÆËãÁгµÓÉÑïÖÝ¿ªÍùÄϾ©Â·¶ÎµÄƽ¾ùËٶȣ®
£¨3£©¼ÙÈçÁгµÓÃÉÏÃæµÄËÙ¶Èͨ¹ýÄϾ©³¤½´óÇÅ£¬ÒÑÖªÄϾ©³¤½´óÇÅÈ«³¤6772m£¬K221´ÎÌØ¿ìÁгµÓÐ11½Ú³µÏá¹²³¤228m£¬ÇóÁгµ¾¹ý´óÇÅËùÐèʱ¼ä£®
ijһʱÆÚ£¬ÑïÖÝ¿ªÍù¹ãÖݵÄK221´ÎÌØ¿ìÁгµÔËÐÐʱ¿Ì±íÈçÏ£º
¸ù¾ÝÁгµÔËÐÐʱ¿Ì±í»Ø´ðÏÂÁÐÎÊÌ⣺
(1)¼ÆËãÁгµÓÉÑïÖÝ¿ªÍù¹ãÖÝËùÐèµÄʱ¼ä¡£
(2)¼ÆËãÁгµÓÉÑïÖÝ¿ªÍùÄϾ©Â·¶ÎµÄƽ¾ùËٶȡ£
(3)¼ÙÈçÁгµÓÃÉÏÃæµÄËÙ¶Èͨ¹ýÄϾ©³¤½´óÇÅ£¬ÒÑÖªÄϾ©³¤½´óÇÅÈ«³¤6772m£¬
K221´ÎÌØ¿ìÁгµÓÐ11½Ú³µÏá¹²³¤228m£¬ÇóÁгµ¾¹ý´óÇÅËùÐèʱ¼ä¡£
ÑïÖÝ | ÄϾ© | »Æɽ | ƼÏç | ³»ÖÝ | ¹ãÖÝ | |
µ½´ïʱ¼ä | 19£º10 | 01£º22 | 12£º02 | 17£º30 | 21£º50 | |
·¢³µÊ±¼ä | 17£º30 | 19£º16 | 01£º30 | 12£º10 | 17£º36 | |
Àï³Ì/km | 0 | 100 | 471 | 1167 | 1530 | 1904 |