ÌâÄ¿ÄÚÈÝ
¡¾ÌâÄ¿¡¿ÏÂÁÐ˵·¨ÕýÈ·µÄÊÇ_________(ÌîÕýÈ·´ð°¸±êºÅ¡£Ñ¡¶Ô1¸öµÃ2·Ö,Ñ¡¶Ô2¸öµÃ4·Ö,Ñ¡¶Ô3¸öµÃ5·Ö;ÿѡ´í1¸ö¿Û3·Ö,×îµÍµÃ·ÖΪ0·Ö)
A.µÚÒ»ÀàÓÀ¶¯»ú²»¿ÉÄÜÖƳÉ,ÒòΪΥÁËÄÜÁ¿Êغ㶨ÂÉ
B.¸ù¾ÝÈÈÁ¦Ñ§µÚ¶þ¶¨ÂÉ¿ÉÖª,ÈÈÁ¿²»¿ÉÄÜ´ÓµÍÎÂÎïÌå´«µ½¸ßÎÂÎïÌå
C.·Ö×Ó¼äµÄ¾àÀëÔö´óʱ,·Ö×ÓÊÆÄÜÒ»¶¨Ôö´ó
D.ÆøÌåÎüÈÈʱ,ËüµÄÄÚÄÜ¿ÉÄܲ»Ôö¼Ó
E.Ò»¶¨ÖÊÁ¿µÄÀíÏëÆøÌå,Èç¹ûѹǿ²»±ä,Ìå»ýÔö´ó,ÄÇôËüÒ»¶¨´ÓÍâ½çÎüÈÈ
¡¾´ð°¸¡¿ADE
¡¾½âÎö¡¿
µÚÒ»ÀàÓÀ¶¯»ú²»¿ÉÄÜÖƳɣ¬ÊÇÒòΪΥ±³ÁËÄÜÁ¿Êغ㶨ÂÉ£¬¹ÊAÕýÈ·¡£ÓÉÈÈÁ¦Ñ§µÚ¶þ¶¨ÂÉ¿ÉÖª£ºÈÈÁ¿²»¿ÉÄÜ×Ô·¢µØ´ÓµÍÎÂÎïÌå´«µ½¸ßÎÂÎïÌå¶ø²»ÒýÆðÆäËûµÄ±ä»¯£¬¹ÊB´íÎó¡£µ±·Ö×Ó¼äµÄ¾àÀëСÓÚr0ʱ£¬ËæמàÀëµÄÔö´ó£¬·Ö×Ó¼äµÄÊÆÄÜÔÚ±äС£¬¹ÊC´íÎó¡£ÆøÌåÎüÊÕÈÈÁ¿µÄͬʱ¿ÉÒÔÏòÍâ×ö¹¦£¬ÄÚÄܲ»Ò»¶¨Ôö¼Ó£¬¹ÊDÕýÈ·¡£Ò»¶¨Á¿µÄÀíÏëÆøÌåÂú×㣬ѹǿ²»±ä£¬Ìå»ýÔö´ó£¬ÆøÌå¶ÔÍâ×ö¹¦¡£Î¶ÈÉý¸ß£¬ÄÚÄÜÔö´ó£¬ÓÉ¿ÉÖªÆøÌåÒ»¶¨´ÓÍâ½çÎüÊÕÈÈÁ¿£¬¹ÊEÕýÈ·¡£¹ÊÑ¡ADE.
¡¾ÌâÄ¿¡¿ÔÚ¡°Ì½¾¿»¬¿éËÙ¶ÈËæʱ¼ä±ä»¯µÄ¹æÂÉ¡±ÊµÑéÖУ¬Ä³Ð¡×éͬѧÔÚÒ»¶Ë×°Óж¨»¬Âֵij¤Ä¾°åµÄÖжÎÕ³ÉϾùÔȵı¡É°Ö½£¬É°Ã泯ÉÏ£¬»¹Ñ¡ÓÃÁËÖÊÁ¿Îª100gµÄ³¤·½Ìåľ¿é¡¢Ò»°Ñ´øºÁÃ׿̶ȵÄÖ±³ß¡¢Ò»¶Î½Ï³¤µÄÃÞÉþ¡¢Ò»ºÐ¹³Â루µ¥¸öÖÊÁ¿Îª50g£©¡¢Ö½´ø¡¢¸´Ð´Ö½ºÍµ¼ÏßÈô¸É£¬ÊµÑé×°ÖÃÈçͼ¼×Ëùʾ£¬ÊµÑéʱÔÚС³µÉϼÓÔØËĸö¹³Â룬ÔÚÃÞÉþµÄÓÒ¶ËÐü¹ÒÈý¸ö¹³Â룬½ÓͨµçÔ´£¬ÊÍ·ÅС³µ£¬³É¹¦´ò³öÁËÒ»ÌõÖ½´ø£¬Ö½´øµÄ¾Ö²¿ÈçͼÒÒ£¬´ó²¿·ÖµãµÄʱ¿ÌºÍËٶȵĶÔÓ¦¹ØϵÒѾÃè»æÔÚͼ±ûÀ
ͼ¼× ͼÒÒ
£¨1£©¸ÃʵÑéÖл¹È±ÉÙµÄʵÑéÒÇÆ÷ÓÐÏÂÃæ3¸öÖеÄÄĸö_____£¿£¨Ìî´ú±íÒÇÆ÷µÄ×Öĸ¼´¿É£©
A£®Ãë±í B£®´òµã¼ÆʱÆ÷ C£®Ììƽ
£¨2£©¸ù¾ÝͼÒÒ£¬Çë¼ÆËã³ö±í¸ñÖÐ0.20sʱ¿ÌµãµÄ˲ʱËٶȴóС__________m/s£¨½á¹û±£ÁôСÊýºóÁ½Î»£©£¬ÌîÈëϱíÏàÓ¦¿Õ¸ñÖУ®
ʱ¿Ì£¨s£© | 0.20 | 0.24 | 0.28 | 0.32 | 0.36 |
Ëٶȣ¨m/s£© | 0.75 | 0.87 | 0.93 | 1.01 |
£¨3£©¸ù¾ÝÉÏÊö±í¸ñÖеÄÎå×éÊý¾Ý£¬ÇëÔÚͼ±ûÖÐÃè»æ³ö¶ÔÓ¦µÄÎå¸öµã(ÇëÔÚ´ð¾íÉÏ×÷ͼ)____£¬ÔÙ¸ù¾ÝͼÖÐËùÓеĵ㣬Ãè»æ³ö×îÄÜ·´Ó³Ä¾¿éÔ˶¯ÐÔÖʵÄͼÏñ£¬²¢Í¨¹ýͼÏñÇó³öľ¿é½øÈ뱡ɰֽǰÔ˶¯µÄ¼ÓËٶȴóС___________m/s2£¨½á¹û±£ÁôÈýλÓÐЧÊý×Ö£©£®