ÌâÄ¿ÄÚÈÝ
![](http://thumb.1010pic.com/pic3/upload/images/201405/58/d36487c6.png)
A¡¢Èôv0=
| ||||
B¡¢Èôv0=
| ||||
C¡¢Èôv0=
| ||||
D¡¢Èôv0=
|
Á·Ï°²áϵÁдð°¸
Ïà¹ØÌâÄ¿
![](http://thumb.1010pic.com/pic3/upload/images/201406/160/51fcb126.png)
A¡¢ËüÊǸù¾Ý±ÕºÏµç·ŷķ¶¨ÂÉÖÆ³ÉµÄ | B¡¢½Ó±íÄÚµç³Ø¸º¼«µÄÓ¦ÊǺì±í±Ê | C¡¢µç×èµÄ¡°¡Þ¡±¿Ì¶ÈÒ»°ãÔڿ̶ÈÅ̵ÄÓÒ¶Ë | D¡¢µ÷Áãºó¿Ì¶ÈÅ̵ÄÖÐÐĿ̶ÈÖµÊÇr+Rg+R |
![](http://thumb.1010pic.com/pic3/upload/images/201405/143/b2c3481b.png)
q |
m |
A¡¢4¡Á105m/s |
B¡¢2¡Á105m/s |
C¡¢6.4¡Á106m/s |
D¡¢2¡Á106m/s |
![](http://thumb.1010pic.com/pic3/upload/images/201405/98/b55fcae7.png)
A¡¢Á£×Ó1´ø¸ºµç£¬Á£×Ó2²»´øµç£¬Á£×Ó3´øÕýµç | ||
B¡¢Á£×Ó1ºÍÁ£×Ó3µÄ±ÈºÉÖ®±ÈΪ2£º1 | ||
C¡¢Á£×Ó1ºÍÁ£×Ó2Ôڴų¡ÖÐÔ˶¯Ê±¼äÖ®±ÈΪ4£º1 | ||
D¡¢Á£×Ó3µÄÉä³öλÖÃÓëdµãÏà¾à
|
![](http://thumb.1010pic.com/pic3/upload/images/201405/51/292353aa.png)
qBd |
m |
A¡¢Á£×ÓÔڴų¡ÖеÄÔ˶¯°ë¾¶Îª
| ||
B¡¢Á£×Ó¾àAµã0.5d´¦ÉäÈ룬²»»á½øÈË¢òÇø | ||
C¡¢Á£×Ó¾àAµã1.5d´¦ÉäÈË£¬ÔÚ¢ñÇøÄÚÔ˶¯µÄʱ¼äΪ
| ||
D¡¢Äܹ»½øÈë¢òÇøÓòµÄÁ£×Ó£¬ÔÚ¢òÇøÓòÄÚÔ˶¯µÄ×î¶Ìʱ¼äΪ
|
Èçͼ¼×ËùʾÊÇ»ØÐý¼ÓËÙÆ÷µÄʾÒâͼ£¬ÆäºËÐIJ¿·ÖÊÇÁ½¸öDÐνðÊôºÐ£¬ÔÚ¼ÓËÙ´øµçÁ£×Óʱ£¬Á½½ðÊôºÐÖÃÓÚÔÈÇ¿´Å³¡ÖУ¬²¢·Ö±ðÓë¸ßƵµçÔ´ÏàÁ¬£®´øµçÁ£×ÓÔڴų¡ÖÐÔ˶¯µÄ¶¯ÄÜEkËæʱ¼ätµÄ±ä»¯¹æÂÉÈçͼÒÒËùʾ£¬ÈôºöÂÔ´øµçÁ£×ÓÔڵ糡ÖеļÓËÙʱ¼ä£¬ÔòÏÂÁÐÅжÏÖÐÕýÈ·µÄÊÇ£¨¡¡¡¡£©
![](http://thumb.1010pic.com/pic3/upload/images/201402/2/064ceafa.png)
![](http://thumb.1010pic.com/pic3/upload/images/201402/2/064ceafa.png)
A¡¢ÔÚEk-tͼÖÐÓ¦ÓÐt4-t3=t3-t2=t2-t1 | B¡¢¸ßƵµçÔ´µÄ±ä»¯ÖÜÆÚÓ¦¸ÃµÈÓÚtn-tn-1 | C¡¢Á£×Ó¼ÓËÙ´ÎÊýÔ½¶à£¬Á£×Ó×î´ó¶¯ÄÜÒ»¶¨Ô½´ó | D¡¢ÒªÏëÁ£×Ó»ñµÃµÄ×î´ó¶¯ÄÜÔ½´ó£¬ÔòÒªÇóDÐκеÄÃæ»ýÒ²Ô½´ó |
![](http://thumb.1010pic.com/pic3/upload/images/201405/34/f95a6c05.png)
1 1 |
2 1 |
4 2 |
A¡¢ÈýÖÖÁ£×ÓÔڵ糡Öлá·ÖΪÁ½Êø | ||||
B¡¢ÈýÖÖÁ£×ÓÔڴų¡Öлá·ÖΪÁ½Êø | ||||
C¡¢ÈýÖÖÁ£×Ó½ø´Å³¡Î»Öúͳö´Å³¡Î»ÖüäµÄ¾àÀë±ÈΪ1£º
| ||||
D¡¢ÈýÖÖÁ£×Ó½ø´Å³¡Î»Öúͳö´Å³¡Î»ÖüäµÄ¾àÀ붼ÓëU2ÎÞ¹Ø |
![](http://thumb.1010pic.com/pic3/upload/images/201405/56/d6545e8d.png)
A¡¢´ÅÌúÔÚÕû¸öÏÂÂä¹ý³ÌÖУ¬ËüµÄ»úеÄܲ»±ä | ||
B¡¢´ÅÌúÂäµØʱµÄËÙÂÊСÓÚ
| ||
C¡¢ÔÚ´ÅÌúÏÂÂäµÄÕû¸ö¹ý³ÌÖУ¬Ô²»·ÖеĸÐÓ¦µçÁ÷·½ÏòÏÈ˳ʱÕëºóÄæʱÕ루´ÓÉÏÏòÏ¿´Ô²»·£© | ||
D¡¢´ÅÌúÔÚÕû¸öÏÂÂä¹ý³ÌÖУ¬ËùÊÜÏßȦ¶ÔËüµÄ×÷ÓÃÁ¦ÏÈÊúÖ±ÏòÉϺóÊúÖ±ÏòÏ |