ÌâÄ¿ÄÚÈÝ
¡¾ÌâÄ¿¡¿ÈçͼËùʾΪһ´Î¼Ç¼С³µÔ˶¯Çé¿öµÄÖ½´ø,ͼÖÐA¡¢B¡¢C¡¢D¡¢E¡¢F¡¢GΪÏàÁڵļÆÊýµã,ÏàÁÚ¼ÆÊýµãµÄʱ¼ä¼ä¸ôT=0.1s£º
(1)ijͬѧ²¿·ÖʵÑé²½ÖèÈçÏÂ:
A.²âÁ¿Íê±Ï,¹Ø±ÕµçÔ´,È¡³öÖ½´ü
B.½ÓͨµçÔ´,´ý´òµã¼ÆʱÆ÷¹¤×÷Îȶ¨ºó·Å¿ªÐ¡³µ
C.½«Ð¡³µÒÀ¿¿ÔÚ´òµã¼ÆʱÆ÷¸½½ü,С³µÎ²²¿ÓëÖ½´øÏàÁ¬
D.½«´òµã¼ÆʱÆ÷¹Ì¶¨ÔÚƽ°åÉÏ,ÈÃÖ½´©¹ýÏÞλ¿×¡£
ÉÏÊöʵÑé²½ÖèµÄÕýȷ˳ÐòÊÇ__________(ÓÃ×ÖĸÌîд).
(2)ÔÚÈçͼËùʾµÄ×ø±êϵÖÐ×÷³öС³µµÄͼÏß____.
(3)´ÓʵÑé½á¹û¿ÉÖªÎïÌå×ö_______Ô˶¯,²¢ËµÃ÷ÀíÓÉ:_______________.
(4)С³µµÄ¼ÓËٶȴóС_______m/s2 (¼ÆËã½á¹û±£ÁôÁ½Î»ÓÐЧÊý×Ö).
¡¾´ð°¸¡¿DCBA£» £» ÔȼÓËÙÖ±ÏßÔ˶¯£» ÒòΪv-tͼÏóΪһÌõÇãбµÄÖ±Ïߣ» 0.47
¡¾½âÎö¡¿
¸ù¾ÝÔȱäËÙÖ±ÏßÔ˶¯ÖÐʱ¼äÖеãµÄ˲ʱËٶȵÈÓڸùý³ÌÖеÄƽ¾ùËٶȣ¬¿ÉÒÔÇó³ö´òÖ½´øÉÏB¡¢C¡¢D¡¢E¡¢F¸÷µãʱС³µµÄ˲ʱËٶȴóС£»ÀûÓÃÃèµã·¨¿É»³öËÙ¶È-ʱ¼äͼÏó£¬Í¼ÏóºÍºá×ø±êµÄ½»µã±íʾAµãËٶȵĴóС¡£
(1) ÏÈÁ¬½ÓʵÑéÆ÷²Ä£¬ºó´©Ö½´ø£¬ÔÙÁ¬½ÓС³µ£¬×îºó´òµã²¢Ñ¡ÔñÖ½´ø½øÐÐÊý¾Ý´¦Àí£»
¹ÊΪ£ºDCBA£»
(2) ¸ù¾ÝÔȱäËÙÖ±ÏßÔ˶¯ÖÐʱ¼äÖеãµÄ˲ʱËٶȵÈÓڸùý³ÌÖеÄƽ¾ùËÙ¶È
Çó³ö¸÷¼ÆÊýµãB¡¢C¡¢D¡¢E¡¢F¶ÔÓ¦µÄËÙ¶ÈΪ
£¬£¬
£¬
ÔÚv-t×ø±êϵÖÐÃèµã£¬Á¬ÏßÈçͼËùʾ
(3)´ÓͼÏó¿ÉÖª£¬ÎïÌå×öÔȼÓËÙÖ±ÏßÔ˶¯£¬ÒòΪv-tͼÏóΪһÌõÇãбµÄÖ±Ïߣ»
(4) ÀûÓÃбÂÊÇó¼ÓËٶȡ£