ÌâÄ¿ÄÚÈÝ
16£®ÏÂÁÐ˵·¨ÖÐÕýÈ·µÄÊÇ£¨¡¡¡¡£©A£® | ±¥ºÍÆûºÍÒºÌåÖ®¼äµÄ¶¯Ì¬Æ½ºâ£¬ÊÇÖ¸Æû»¯ºÍÒº»¯Í¬Ê±½øÐеĹý³Ì£¬ÇÒ½øÐеÄËÙÂÊÏàµÈ | |
B£® | À©É¢ÏÖÏó˵Ã÷·Ö×ÓÖ®¼ä´æÔÚ¿Õ϶£¬Í¬Ê±·Ö×ÓÔÚÓÀ²»Í£Ï¢µØ×öÎÞ¹æÔòÔ˶¯ | |
C£® | ÓÃÓÍĤ·¨¹À²â·Ö×Ó´óСµÄʵÑéÖУ¬²»¿¼ÂÇÓÍËá·Ö×Ó£¨ÊÓΪÇòÐΣ©¼äµÄ¿Õ϶²¢ÈÏΪˮÃæÉÏÐγɵÄÓÍËáĤµÄºñ¶È¼´·Ö×ÓÖ±¾¶ | |
D£® | ÈôÒ»ÆøÅÝ´Óºþµ×ÉÏÉýµ½ºþÃæµÄ¹ý³ÌÖÐζȱ£³Ö²»±ä£¬Ôò´Ë¹ý³ÌÖÐÆøÅÝÄÚµÄÆøÌå·Ö×Ó¼äµÄÒýÁ¦ºÍ³âÁ¦¶¼Ôö´ó | |
E£® | ÎïÀíÐÔÖʱíÏÖΪ¸÷ÏòͬÐԵĹÌÌåΪ·Ç¾§Ìå |
·ÖÎö Ã÷È·±¥ºÍÆû¶¯Ì¬Æ½ºâµÄÒâÒ壬֪µÀ´ïµ½¶¯Ì¬Æ½ºâʱÆû»¯ºÍÒº»¯ÈÔÔÚͬʱ½øÐУ¬µ«½øÐеÄËÙÂÊÏàµÈ£»
À©É¢ÏÖÏó˵Ã÷·Ö×ÓÔÚ×öÎÞ¹æÔòÔ˶¯£¬Í¬Ê±ËµÃ÷·Ö×Ó¼ä´æÔÚ¿Õ϶£»
ÖªµÀÔÚÓÍĤ·¨²â·Ö×Ó´óСµÄʵÑéÖУ¬½«·Ö×ÓÊÓΪÇòÐΣ¬²¢ÇÒ²»¼Æ·Ö×Ó¼äµÄ¼ä϶£¬Í¬Ê±ÐγɵÄÊǵ¥·Ö×ÓÓÍĤ£»
Ã÷È·ÀíÏëÆøÌåµÄÒâÒ壬֪µÀÀíÏëÆøÌå·Ö×Ó¼ä×÷ÓÃÁ¦ºöÂÔ²»¼Æ£»
ÖªµÀ¾§ÌåºÍ·Ç¾§ÌåµÄÐÔÖÊ£¬·Ç¾§ÌåºÍ¶à¾§Ìå¾ù¾ßÓи÷ÏòͬÐÔ£®
½â´ð ½â£ºA¡¢±¥ºÍÆûºÍÒºÌåÖ®¼äµÄ¶¯Ì¬Æ½ºâ£¬ÊÇÖ¸Æû»¯ºÍÒº»¯Í¬Ê±½øÐеĹý³Ì£¬ÇÒ½øÐеÄËÙÂÊÏàµÈ£¬¹ÊAÕýÈ·£»
B¡¢À©É¢ÏÖÏó˵Ã÷·Ö×ÓÖ®¼ä´æÔÚ¿Õ϶£¬Í¬Ê±·Ö×ÓÔÚÓÀ²»Í£Ï¢µØ×öÎÞ¹æÔòÔ˶¯£»¹ÊBÕýÈ·£»
C¡¢ÓÃÓÍĤ·¨¹À²â·Ö×Ó´óСµÄʵÑéÖУ¬²»¿¼ÂÇÓÍËá·Ö×Ó£¨ÊÓΪÇòÐΣ©¼äµÄ¿Õ϶²¢ÈÏΪˮÃæÉÏÐγɵÄÓÍËáĤµÄºñ¶È¼´·Ö×ÓÖ±¾¶£»¹ÊCÕýÈ·£»
D¡¢ÓÉÓÚ·Ö×ÓÖ®¼äµÄ¾àÀë±È½Ï´ó£¬·Ö×Ó¼äµÄ×÷ÓÃÁ¦ºöÂÔ²»¼Æ£¬ÔòÆøÅÝÖÐÆøÌå·Ö×Ó¼äµÄ×÷ÓÃÁ¦Ê¼ÖÕΪÁ㣬¹ÊD´íÎó£»
E¡¢ÎïÀíÐÔÖʱíÏÖΪ¸÷ÏòͬÐԵĹÌÌåΪ·Ç¾§Ìå»ò¶à¾§Ì壬¹ÊE´íÎó£®
¹ÊÑ¡£ºABC£®
µãÆÀ ±¾Ì⿼²é±¥ºÍÆû¡¢À©É¢¡¢ÓÍĤ·¨²â·Ö×ÓÖ±¾¶¡¢ÀíÏëÆøÌåÒÔ¼°¾§ÌåµÄÐÔÖÊ£¬Òª×¢Òâ¶ÔÈÈѧ¹æÂÉҪ׼ȷÕÆÎÕ£¬²¢ÇÒ»áÁªÏµºê¹ÛºÍ΢¹ÛµÄÒâÒå½øºÍ·ÖÎö£®
A£® | m1Ç¡ºÃÄÜÑØÔ²»¡Ï»¬µ½Aµã£¬´Ëʱ¶Ô¹ìµÀµÄѹÁ¦µÈÓÚm1g | |
B£® | ÔÚm1ÓÉCµãÏ»¬µ½AµãµÄ¹ý³ÌÖÐÁ½ÇòËٶȴóСʼÖÕÏàµÈ | |
C£® | ÔÚm1ÓÉCµãÏ»¬µ½AµãµÄ¹ý³ÌÖУ¬ÖØÁ¦¶Ôm1×öµÄ¹¦µÄ¹¦ÂÊÏÈÔö´óºó¼õÉÙ | |
D£® | ÔÚm1ÓÉCµãÏ»¬µ½AµãµÄ¹ý³ÌÖУ¬m1ËùÊܵĺÏÍâÁ¦µÄ³åÁ¿µÈÓÚÁã |
A£® | ²¼ÀÊÔ˶¯¾ÍÊÇÒºÌå·Ö×ÓµÄÎÞ¹æÔòÈÈÔ˶¯ | |
B£® | ²¼ÀÊÔ˶¯·´Ó³ÁËÒºÌå·Ö×ÓµÄÎÞ¹æÔòÈÈÔ˶¯ | |
C£® | ÎïÌåÎüÊÕÈÈÁ¿£¬ÄÚÄÜÒ»¶¨Ôö´ó | |
D£® | ÎïÌåÎüÊÕÈÈÁ¿£¬ÄÚÄÜ¿ÉÄܼõС |
A£® | ÎïÌåµÄÔ˶¯¹ì¼£ÊÇÅ×ÎïÏß | |
B£® | ÎïÌåʱ¼ätÄÚƽ¾ùËٶȲ»Ò»¶¨ÊÇ4.5m/s | |
C£® | ¸ÃÎïÌåÔ˶¯µÄʱ¼ät=2s | |
D£® | ¸ÃÎïÌåµÄ¼ÓËÙ¶ÈΪ$\frac{27}{16}$m/s2 |
A£® | µ¯»Éµ¯Á¦Ò»¶¨²»±ä | B£® | BÓëǽÃæµÄµ¯Á¦¿ÉÄܲ»±ä | ||
C£® | BÓëǽ֮¼ä¿ÉÄÜûÓÐĦ²ÁÁ¦ | D£® | A¡¢BÖ®¼äµÄĦ²ÁÁ¦Ò»¶¨±ä´ó |
A£® | ÎÀÐÇÔËÐеÄÏòÐļÓËٶȵÈÓÚµØÇò±íÃæµÄÖØÁ¦¼ÓËÙ¶È | |
B£® | ÎÀÐǵÄÔËÐÐËٶȴóÓÚµØÇòµÄµÚÒ»ÓîÖæËÙ¶È | |
C£® | ÎÀÐǾàµØÃæµÄ¸ß¶ÈΪ$\root{3}{\frac{GM{T}^{2}}{4{¦Ð}^{2}}}$ | |
D£® | ÎÀÐÇ×öÔ²ÖÜÔ˶¯µÄ¹ìµÀ°ë¾¶Îª $\root{3}{\frac{GM{T}^{2}}{4{¦Ð}^{2}}}$ |
A£® | Ï»¬µ½CµãʱºÏÍâÁ¦µÄ³åÁ¿Ò»¶¨²»Í¬ | |
B£® | Ï»¬µ½CµãʱµÄ¶¯ÄÜ¿ÉÄÜÏàͬ | |
C£® | Ï»¬µ½Cµã¹ý³ÌÖÐĦ²ÁÁ¦×ö¹¦Ò»¶¨²»Í¬ | |
D£® | ÈôСÇòÖÊÁ¿Ôö´ó£¬ÔòÑØͬһбÃæµ½´ïбÃæµ×¶ËµÄËٶȱä´ó |