½áºÏͼƬÖн»´úµÄÇé¾°¼°Êý¾Ý£¬ÒÔÏÂÅжÏÕýÈ·µÄÊÇ                                              £¨     £©

                              

 Àû±ÈÑÇÕ½³¡»úǹ¿ª»ð    100km/h½ô¼±É²³µ       ¸ßËÙÐÐÊ»µÄ´ÅÐü¸¡Áгµ     13Ãë07£¡ÁõÏèÁ¦Ñ¹°ÂÀû¸¥»ñµÃ¹Ú¾ü

A£®Î»ÓÚµãȼ»ðÒ©µÄǹÌÅÖеÄ×Óµ¯µÄËٶȡ¢¼ÓËٶȿÉÄܾùΪÁã

B£®½Î³µÊ±ËÙΪ100km/h£¬½ô¼±É²³µ¾àÀëΪ31Ã×£¨¿ÉÊÓΪÔȼõËÙÖÁ¾²Ö¹£©£¬Óɴ˿ɵýγµÉ²³µ½×¶ÎµÄ¼ÓËÙ¶ÈΪa=12.5m/s2

C£®¸ßËÙÐÐÊ»µÄ´ÅÐü¸¡ÁгµµÄ¼ÓËٶȿÉÄÜΪÁã

D£®¸ù¾ÝͼÖÐÊý¾Ý¿ÉÇó³öÁõÏèÔÚ110mÀ¸±ÈÈüÖÐͨ¹ýÈ«³ÌµÄƽ¾ùËÙÂÊΪv=8.42m/s

 

BCD

½âÎö:µ±»ðÒ©µãȼ˲¼ä£¬ÅÚµ¯ËÙ¶ÈΪÁ㣬µ«Æä¼ÓËÙ¶ÈÒ»¶¨²»ÎªÁã¹ÊA´íÎó£»ÓÉv2=2ax¿ÉÇóµÃ½Î³µ½ô¼±É²³µµÄ¼ÓËÙ¶Èa=12.5m/s2ÔòBÕýÈ·£»Èô¸ßËÙÐÐÊ»µÄ´ÅÐü¸¡ÁгµÔÈËÙÐÐʻʱ£¬ÔòÆä¼ÓËÙ¶ÈΪÁ㣬ÔòCÕýÈ·£¬ÓÉÓÚ110Ã×À¸³¡µØ¶¼ÊÇÖ±µÀ£¬ËùÒÔÓÉ¿ÉÇóµÃÁõÏèÈ«³Ìƽ¾ùËÙÂÊΪv=8.42m/s£¬ÔòDÕýÈ·¡£

 

Á·Ï°²áϵÁдð°¸
Ïà¹ØÏ°Ìâ

¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º ÌâÐÍ£º

½áºÏͼƬÖн»´úµÄÇé¾°¼°Êý¾Ý£¬ÒÔÏÂÅжÏÕýÈ·µÄÊÇ£¨¡¡¡¡£©

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º ÌâÐÍ£º

½áºÏͼƬÖн»´úµÄÇé¾°¼°Êý¾Ý£¬ÒÔÏÂÅжϲ»ÕýÈ·µÄÊÇ£¨¡¡¡¡£©
A¡¢¾«Ó¢¼Ò½ÌÍø
¸ßËÙÐÐÊ»µÄ´ÅÐü¸¡ÁгµµÄ¼ÓËٶȿÉÄÜΪÁã
B¡¢¾«Ó¢¼Ò½ÌÍø
½Î³µÊ±ËÙΪ100km/h£¬½ô¼±É²³µ¾àÀëΪ31Ã×£¨¿ÉÊÓΪÔȼõËÙÖÁ¾²Ö¹£©£¬Óɴ˿ɵýγµÉ²³µ½×¶ÎµÄ¼ÓËÙ¶ÈΪa=12.5m/s2
C¡¢¾«Ó¢¼Ò½ÌÍø
λÓÚµãȼ»ðÒ©µÄÅÚÌÅÖеÄÅÚµ¯µÄËٶȡ¢¼ÓËٶȿÉÄܾùΪÁã
D¡¢¾«Ó¢¼Ò½ÌÍø
¸ù¾ÝͼÖÐÊý¾Ý¿ÉÇó³öÁõÏèÔÚ110mÀ¸±ÈÈüÖÐͨ¹ýÈ«³ÌµÄƽ¾ùËÙÂÊΪv=8.42m/s

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º2014½ìÕã½­Ê¡ÉÜÐËÊиßÈýÉÏѧÆÚÆÚÖп¼ÊÔÎïÀíÊÔ¾í£¨½âÎö°æ£© ÌâÐÍ£ºÑ¡ÔñÌâ

½áºÏͼƬÖн»´úµÄÇé¾°¼°Êý¾Ý£¬ÒÔÏÂÅжϲ»ÕýÈ·µÄÊÇ£¨     £©

A£®¸ßËÙÐÐÊ»µÄ´ÅÐü¸¡ÁгµµÄ¼ÓËٶȿÉÄÜΪÁã

B£®½Î³µÊ±ËÙΪ100km/h£¬½ô¼±É²³µ¾àÀëΪ31Ã×£¨¿ÉÊÓΪÔȼõËÙÖÁ¾²Ö¹£©£¬Óɴ˿ɵýγµÉ²³µ½×¶ÎµÄ¼ÓËÙ¶ÈΪa=12.5m/s2

C£®Î»ÓÚµãȼ»ðÒ©µÄÅÚÌÅÖеÄÅÚµ¯µÄËٶȡ¢¼ÓËٶȿÉÄܾùΪÁã

D£®¸ù¾ÝͼÖÐÊý¾Ý¿ÉÇó³öÁõÏèÔÚ110mÀ¸±ÈÈüÖÐͨ¹ýÈ«³ÌµÄƽ¾ùËÙÂÊΪv=8.42m/s

 

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£ºÈ˽̰æ¸ßÈýÎïÀí¶þÂÖ¸´Ï°×¨ÌâѵÁ·1 ÌâÐÍ£ºÑ¡ÔñÌâ

½áºÏͼƬÖн»´úµÄÇé¾°¼°Êý¾Ý£¬ÒÔÏÂÅжÏÕýÈ·µÄÊÇ                                               £¨     £©

                              

 Àû±ÈÑÇÕ½³¡»úǹ¿ª»ð    100km/h½ô¼±É²³µ       ¸ßËÙÐÐÊ»µÄ´ÅÐü¸¡Áгµ     13Ãë07£¡ÁõÏèÁ¦Ñ¹°ÂÀû¸¥»ñµÃ¹Ú¾ü

A£®Î»ÓÚµãȼ»ðÒ©µÄǹÌÅÖеÄ×Óµ¯µÄËٶȡ¢¼ÓËٶȿÉÄܾùΪÁã

B£®½Î³µÊ±ËÙΪ100km/h£¬½ô¼±É²³µ¾àÀëΪ31Ã×£¨¿ÉÊÓΪÔȼõËÙÖÁ¾²Ö¹£©£¬Óɴ˿ɵýγµÉ²³µ½×¶ÎµÄ¼ÓËÙ¶ÈΪa=12.5m/s2

C£®¸ßËÙÐÐÊ»µÄ´ÅÐü¸¡ÁгµµÄ¼ÓËٶȿÉÄÜΪÁã

D£®¸ù¾ÝͼÖÐÊý¾Ý¿ÉÇó³öÁõÏèÔÚ110mÀ¸±ÈÈüÖÐͨ¹ýÈ«³ÌµÄƽ¾ùËÙÂÊΪv=8.42m/s

 

²é¿´´ð°¸ºÍ½âÎö>>

ͬ²½Á·Ï°²á´ð°¸