| A£® | Á½¸öÎïÌåµÄÖÊÁ¿¶¼±äΪÔÀ´µÄ$\frac{1}{4}$£¬¾àÀë²»±ä | |
| B£® | ʹÆäÖÐÒ»¸öÎïÌåµÄÖÊÁ¿¼õСµ½ÔÀ´µÄ$\frac{1}{2}$£¬¾àÀë²»±ä | |
| C£® | ʹÁ½¸öÎïÌå¼äµÄ¾àÀëÔöΪÔÀ´µÄ2±¶£¬ÖÊÁ¿²»±ä | |
| D£® | Á½ÎïÌåµÄÖÊÁ¿ºÍ¾àÀë¶¼¼õСµ½ÔÀ´µÄ$\frac{1}{4}$ |
·ÖÎö ¸ù¾ÝÍòÓÐÒýÁ¦¶¨ÂɵÄÄÚÈÝ£¨ÍòÓÐÒýÁ¦ÊÇÓëÖÊÁ¿³Ë»ý³ÉÕý±È£¬Óë¾àÀëµÄƽ·½³É·´±È£®£©½â¾öÎÊÌ⣮±äÁ¿ÓÐÖÊÁ¿¡¢¾àÀ룬Ҫ¿¼ÂÇÈ«Ãæ£®
½â´ð ½â£ºA¡¢¸ù¾ÝÍòÓÐÒýÁ¦¶¨ÂÉ$F=G\frac{{m}_{1}^{\;}{m}_{2}^{\;}}{{r}_{\;}^{2}}$£¬Á½¸öÎïÌåµÄÖÊÁ¿¶¼±äΪÔÀ´µÄ$\frac{1}{4}$£¬¾àÀë²»±ä£¬ÍòÓÐÒýÁ¦±äΪÔÀ´µÄ$\frac{1}{16}$£¬¹ÊA´íÎó£»
B¡¢¸ù¾ÝÍòÓÐÒýÁ¦¶¨ÂÉ$F=G\frac{{m}_{1}^{\;}{m}_{2}^{\;}}{{r}_{\;}^{2}}$£¬Ê¹ÆäÖÐÒ»¸öÎïÌåµÄÖÊÁ¿¼õСµ½ÔÀ´µÄ$\frac{1}{2}$£¬¾àÀë²»±ä£¬ÍòÓÐÒýÁ¦±äΪÔÀ´µÄ$\frac{1}{2}$£¬¹ÊB´íÎó£»
C¡¢¸ù¾ÝÍòÓÐÒýÁ¦¶¨ÂÉ$F=G\frac{{m}_{1}^{\;}{m}_{2}^{\;}}{{r}_{\;}^{2}}$£¬Ê¹Á½¸öÎïÌå¼äµÄ¾àÀëÔöΪÔÀ´µÄ2±¶£¬ÖÊÁ¿²»±ä£¬ÍòÓÐÒýÁ¦±äΪÔÀ´µÄ$\frac{1}{4}$£¬¹ÊCÕýÈ·£»
D¡¢¸ù¾ÝÍòÓÐÒýÁ¦¶¨ÂÉ$F=G\frac{{m}_{1}^{\;}{m}_{2}^{\;}}{{r}_{\;}^{2}}$£¬Á½ÎïÌåµÄÖÊÁ¿ºÍ¾àÀë¶¼¼õСµ½ÔÀ´µÄ$\frac{1}{4}$£¬ÍòÓÐÒýÁ¦²»±ä£¬¹ÊD´íÎó£»
¹ÊÑ¡£ºC
µãÆÀ ´ËÌâҪעÒâÍòÓÐÒýÁ¦ÊÇÓëÖÊÁ¿³Ë»ý³ÉÕý±È£¬Óë¾àÀëµÄƽ·½³É·´±È£®²»ÄÜ¿¼ÂÇÒ»¸ö±äÁ¿¶øºöÂÔÁËÁíÒ»¸ö±äÁ¿µÄ±ä»¯£®
| Äê¼¶ | ¸ßÖÐ¿Î³Ì | Äê¼¶ | ³õÖÐ¿Î³Ì |
| ¸ßÒ» | ¸ßÒ»Ãâ·Ñ¿Î³ÌÍÆ¼ö£¡ | ³õÒ» | ³õÒ»Ãâ·Ñ¿Î³ÌÍÆ¼ö£¡ |
| ¸ß¶þ | ¸ß¶þÃâ·Ñ¿Î³ÌÍÆ¼ö£¡ | ³õ¶þ | ³õ¶þÃâ·Ñ¿Î³ÌÍÆ¼ö£¡ |
| ¸ßÈý | ¸ßÈýÃâ·Ñ¿Î³ÌÍÆ¼ö£¡ | ³õÈý | ³õÈýÃâ·Ñ¿Î³ÌÍÆ¼ö£¡ |
¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º ÌâÐÍ£ºÑ¡ÔñÌâ
| A£® | ÌìÈ»Æø | B£® | Ì«ÑôÄÜ | C£® | ú̿ | D£® | ʯÓÍ |
²é¿´´ð°¸ºÍ½âÎö>>
¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º ÌâÐÍ£ºÌî¿ÕÌâ
²é¿´´ð°¸ºÍ½âÎö>>
¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º ÌâÐÍ£º¼ÆËãÌâ
²é¿´´ð°¸ºÍ½âÎö>>
¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º ÌâÐÍ£º¼ÆËãÌâ
²é¿´´ð°¸ºÍ½âÎö>>
¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º ÌâÐÍ£º¼ÆËãÌâ
²é¿´´ð°¸ºÍ½âÎö>>
¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º ÌâÐÍ£º¶àÑ¡Ìâ
| A£® | ¹ßÐÔÔ½´óµÄÎïÌ壬ËüµÄ¶¯Á¿Ò²Ô½´ó | |
| B£® | ¶¯Á¿´óµÄÎïÌ壬ËüµÄËٶȲ»Ò»¶¨´ó | |
| C£® | ÎïÌåµÄËÙ¶È´óС²»±ä£¬ÔòÆä¶¯Á¿Ò²±£³Ö²»±ä | |
| D£® | Ô˶¯ÎïÌåÔÚÈÎһʱ¿ÌµÄ¶¯Á¿µÄ·½ÏòÒ»¶¨ÊǸÃʱ¿ÌµÄËÙ¶È·½Ïò |
²é¿´´ð°¸ºÍ½âÎö>>
¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º ÌâÐÍ£ºÌî¿ÕÌâ
²é¿´´ð°¸ºÍ½âÎö>>
¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º ÌâÐÍ£ºÑ¡ÔñÌâ
| A£® | 24h | B£® | 12h | C£® | 48h | D£® | ÒÔÉϴ𰸶¼²»¶Ô |
²é¿´´ð°¸ºÍ½âÎö>>
¹ú¼ÊѧУÓÅÑ¡ - 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