ijͬѧÔÚ¼ÒÖг¢ÊÔÑé֤ƽÐÐËıßÐζ¨Ôò£¬ËûÕÒµ½ÈýÌõÏàͬµÄÏðƤ½î£¨×ñÑ­ºú¿Ë¶¨ÂÉ£©ºÍÈô¸ÉСÖØÎÒÔ¼°¿Ì¶È³ß¡¢Èý½Ç°å¡¢Ç¦±Ê¡¢Ï¸Éþ¡¢°×Ö½¡¢¶¤×Ó£¬Éè¼ÆÁËÈçÏÂʵÑ飺½«Á½ÌõÏðƤ½îµÄÒ»¶Ë·Ö±ð¹ÒÔÚǽÉϵÄÁ½¸ö¶¤×ÓA¡¢BÉÏ£¬ÁíÒ»¶ËÓëµÚÈýÌõÏðƤ½îÁ¬½Ó£¬½áµãΪO£¬½«µÚÈýÌõÏðƤ½îµÄÁíÒ»¶Ëͨ¹ýϸÉþ¹ÒÒ»ÖØÎïΪÍê³ÉʵÑ飬ÏÂÊö²Ù×÷ÖбØÐèµÄÊÇ

A£®²âÁ¿Ï¸ÉþµÄ³¤¶È                B£®²âÁ¿ÏðƤ½îµÄÔ­³¤

C£®²âÁ¿Ðü¹ÒÖØÎïºóÏðƤ½îµÄ³¤¶È    D£®¼Ç¼Ðü¹ÒÖØÎïºó½áµãOµÄλÖÃ

 

¡¾´ð°¸¡¿

BCD

¡¾½âÎö¡¿

 

Á·Ï°²áϵÁдð°¸
Ïà¹ØÏ°Ìâ

¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º ÌâÐÍ£º

ijͬѧÔÚ¼ÒÖг¢ÊÔÑé֤ƽÐÐËıßÐζ¨Ôò£¬ËûÕÒµ½ÈýÌõÏàͬµÄÏðƤ½î£¨×ñÑ­ºú¿Ë¶¨ÂÉ£©ºÍÈô¸ÉСÊÂÎÒÔ¼°¿Ì¶È³ß¡¢Èý½Ç°å¡¢Ç¦±Ê¡¢Ï¸Éþ¡¢°×Ö½¡¢¶¤×Ö£¬Éè¼ÆÁËÈçÏÂʵÑ飺½«Á½ÌõÏðƤ½îµÄÒ»¶Ë·Ö±ð¹Ì¶¨ÔÚǽÉϵÄÁ½¸ö¶¤×ÓA¡¢BÉÏ£¬ÁíÒ»¶ËÓëµÚÈýÌõÏðƤ½îÁ¬½Ó£¬½áµãΪO£¬½«µÚÈýÌõÏðƤ½îµÄÁíÒ»¶Ëͨ¹ýϸÉþ¹ÒÒ»ÖØÎΪÍê³ÉʵÑ飬ÏÂÊö²Ù×÷ÖбØÐèµÄÊÇ £¨¡¡¡¡£©

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º ÌâÐÍ£º

ÇëÍê³ÉÒÔÏÂÁ½Ð¡Ì⣮
£¨1£©Ä³Í¬Ñ§ÔÚ¼ÒÖг¢ÊÔÑé֤ƽÐÐËıßÐζ¨Ôò£¬ËûÕÒµ½ÈýÌõÏàͬµÄÏðƤ½î£¨×ñÑ­ºú¿Ë¶¨ÂÉ£©ºÍÈô¸ÉСÊÂÎÒÔ¼°¿Ì¶È³ß¡¢Èý½Ç°å¡¢Ç¦±Ê¡¢Ï¸Éþ¡¢°×Ö½¡¢¶¤×Ö£¬Éè¼ÆÁËÈçÏÂʵÑ飺½«Á½ÌõÏðƤ½îµÄÒ»¶Ë·Ö±ðÔÚǽÉϵÄÁ½¸ö¶¤×ÓA¡¢BÉÏ£¬ÁíÒ»¶ËÓëµÚ¶þÌõÏðƤ½îÁ¬½Ó£¬½áµãΪO£¬½«µÚÈýÌõÏðƤ½îµÄÁíÒ»¶Ëͨ¹ýϸ°û¹ÒÒ»ÖØÎ
¢ÙΪÍê³ÉʵÑ飬ÏÂÊö²Ù×÷ÖбØÐèµÄÊÇ
bcd
bcd
£®
a£®²âÁ¿Ï¸ÉþµÄ³¤¶È
b£®²âÁ¿ÏðƤ½îµÄÔ­³¤
c£®²âÁ¿Ðü¹ÒÖØÎïºóÏñƤ½îµÄ³¤¶È
d£®¼Ç¼Ðü¹ÒÖØÎïºó½áµãOµÄλÖÃ
¢Ú¶¤×ÓλÖù̶¨£¬ÓûÀûÓÃÏÖÓÐÆ÷²Ä£¬¸Ä±äÌõ¼þÔÙ´ÎʵÑéÖ¤£¬¿É²ÉÓõķ½·¨ÊÇ
¸ü»»ÖÊÁ¿²»Í¬µÄÖØÎ
¸ü»»ÖÊÁ¿²»Í¬µÄÖØÎ

£¨2£©Èçͼ2ΪÑо¿Ð¡ÇòµÄƽÅ×Ô˶¯Ê±ÅÄÉãµÄÉÁ¹âÕÕƬµÄÒ»²¿·Ö£¬Æä±³¾°ÊDZ߳¤Îª 5cmµÄС·½¸ñ£¬ÖØÁ¦¼ÓËÙ¶ÈgÈ¡10m/s2£®ÓÉͼ¿ÉÖª£ºÐ¡Çò´ÓAµãÔ˶¯µ½Bµã¾­ÀúµÄʱ¼ä
µÈÓÚ
µÈÓÚ
£¨ÌСÓÚ¡±¡¢¡°µÈÓÚ¡±»ò¡°´óÓÚ¡±£©´ÓBµãÔ˶¯µ½Cµã¾­ÀúµÄʱ¼ä£»ÕÕÏà»úµÄÉÁ¹âƵÂÊΪ
10
10
Hz£»Ð¡ÇòÅ׳öʱµÄ³õËٶȴóСΪ
2.5
2.5
m/s£®

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º ÌâÐÍ£º

£¨1£©Èçͼ1ËùʾÊǼס¢ÒÒÁ½Î»Í¬Ñ§ÔÚ¡°Ì½¾¿Á¦µÄƽÐÐËıßÐζ¨Ôò¡±µÄʵÑéÖÐËùµÃµ½µÄʵÑé½á¹û£¬ÈôÓÃF±íʾF1¡¢F2µÄºÏÁ¦£¬ÓÃF?±íʾF1ºÍF2µÄµÈЧÁ¦£¬Ôò¿ÉÒÔÅжÏ
¼×
¼×
£¨Ñ¡Ìî¡°¼×¡±»ò¡°ÒÒ¡±£©Í¬Ñ§µÄʵÑé½á¹ûÊÇ·ûºÏÊÂʵµÄ£®

£¨2£©Èçͼ2£¬Ä³Í¬Ñ§ÔÚ¼ÒÖг¢ÊÔÑéÖ¤Á¦µÄƽÐÐËıßÐζ¨Ôò£¬ËûÕÒµ½ÈýÌõÏàͬµÄÏðƤ½î£¨×ñÑ­ºú¿Ë¶¨ÂÉ£©ºÍÈô¸ÉСÖØÎÒÔ¼°¿Ì¶È³ß¡¢Èý½Ç°å¡¢Ç¦±Ê¡¢Ï¸Éþ¡¢°×Ö½¡¢¶¤×Ó£¬Éè¼ÆÁËÈçÏÂʵÑ飺½«Á½ÌõÏðƤ½îµÄÒ»¶Ë·Ö±ð¹ÒÔÚǽÉϵÄÁ½¸ö¶¤×ÓA¡¢BÉÏ£¬ÁíÒ»¶ËÓëµÚÈýÌõÏðƤ½îÁ¬½Ó£¬½áµãΪO£¬½«µÚÈýÌõÏðƤ½îµÄÁíÒ»¶Ëͨ¹ýϸÉþ¹ÒÒ»ÖØÎ
¢ÙΪÍê³ÉʵÑ飬ÏÂÊö²Ù×÷ÖбØÐèµÄÊÇ
BCD
BCD

A£®²âÁ¿Ï¸ÉþµÄ³¤¶È
B£®²âÁ¿ÏðƤ½îµÄÔ­³¤
C£®²âÁ¿Ðü¹ÒÖØÎïºóÏðƤ½îµÄ³¤¶È
D£®¼Ç¼Ðü¹ÒÖØÎïºó½áµãOµÄλÖÃ
¢Ú¶¤×ÓλÖù̶¨£¬ÓûÀûÓÃÏÖÓеÄÆ÷²Ä£¬¸Ä±äÌõ¼þÔÙ´ÎÑéÖ¤£¬¿É²ÉÓõķ½·¨ÊÇ
¸ü»»²»Í¬µÄÖØÎï
¸ü»»²»Í¬µÄÖØÎï
£®

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º ÌâÐÍ£º

ijͬѧÔÚ¼ÒÖг¢ÊÔÑé֤ƽÐÐËıßÐζ¨Ôò£¬ËûÕÒµ½ÈýÌõÏàͬµÄÏðƤ½î£¨×ñÑ­ºú¿Ë¶¨ÂÉ£©ºÍÈô¸ÉСÖØÎÒÔ¼°¿Ì¶È³ß¡¢Èý½Ç°å¡¢Ç¦±Ê¡¢Ï¸Éþ¡¢°×Ö½¡¢¶¤×Ó£¬Éè¼ÆÁËÈçÏÂʵÑ飺½«Á½ÌõÏðƤ½îµÄÒ»¶Ë·Ö±ð¹ÒÔÚǽÉϵÄÁ½¸ö¶¤×Ó A¡¢B ÉÏ£¬ÁíÒ»¶ËÓëµÚÈýÌõÏðƤ½îÁ¬½Ó£¬½áµãΪ O£¬½«µÚÈýÌõÏðƤ½îµÄÁíÒ»¶Ëͨ¹ýϸÉþ¹ÒÒ»ÖØÎÈçͼËùʾ£®
ΪÍê³ÉʵÑ飬ÏÂÊö²Ù×÷ÖбØÐèµÄÊÇ
ACD
ACD
£®
A£®²âÁ¿ÏðƤ½îµÄÔ­³¤
B£®²âÁ¿Ï¸ÉþµÄ³¤¶È
C£®²âÁ¿Ðü¹ÒÖØÎïºóÏðƤ½îµÄ³¤¶È
D£®¼Ç¼Ðü¹ÒÖØÎïºó½áµãOµÄλÖã®

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º ÌâÐÍ£º

¾«Ó¢¼Ò½ÌÍøijͬѧÔÚ¼ÒÖг¢ÊÔÑé֤ƽÐÐËıßÐζ¨Ôò£¬ËûÕÒµ½ÈýÌõÏàͬµÄÏðƤ½î£¨×ñÑ­ºú¿Ë¶¨ÂÉ£©ºÍÈô¸ÉСÖØÎÒÔ¼°¿Ì¶È³ß¡¢Èý½Ç°å¡¢Ç¦±Ê¡¢Ï¸Éþ¡¢°×Ö½¡¢¶¤×Ó£¬Éè¼ÆÁËÈçÏÂʵÑ飺½«Á½ÌõÏðƤ½îµÄÒ»¶Ë·Ö±ð¹ÒÔÚǽÉϵÄÁ½¸ö¶¤×ÓA¡¢BÉÏ£¬ÁíÒ»¶Ë¾ùÓëµÚÈýÌõÏðƤ½îµÄÒ»¶ËÁ¬½Ó£¬½áµãΪO£¬½«µÚÈýÌõÏðƤ½îµÄÁíÒ»¶Ëͨ¹ýϸÉþ¹ÒÒ»ÖØÎÈçͼËùʾ£®
£¨1£©ÎªÍê³É¸ÃʵÑ飬ÏÂÊö²Ù×÷Öв»±ØÒªµÄÊÇ
 
£®
A£®²âÁ¿Ï¸ÉþµÄ³¤¶È                    B£®²âÁ¿ÏðƤ½îµÄÔ­³¤
C£®²âÁ¿Ðü¹ÒÖØÎïºóÏðƤ½îµÄ³¤¶È        D£®¼Ç¼Ðü¹ÒÖØÎïºó½áµãOµÄλÖÃ
£¨2£©¶¤×ÓλÖù̶¨£¬ÓûÀûÓÃÏÖÓÐÆ÷²Ä£¬¸Ä±äÌõ¼þÔÙ´ÎÑéÖ¤£¬¿É²ÉÓõķ½·¨ÊÇ
 
£®

²é¿´´ð°¸ºÍ½âÎö>>

ͬ²½Á·Ï°²á´ð°¸