Á½Áмòгºá²¨ÔÚͬÖÖ½éÖÊÖд«²¥£¬Õñ·ù¶¼ÊÇ5cm¡£ÊµÏß²¨µÄƵÂÊΪ2Hz£¬ÑØx ÖḺ·½Ïò´«²¥£»ÐéÏß²¨ÑØx ÖáÕý·½Ïò´«²¥¡£Ä³Ê±¿ÌÁ½Áв¨ÔÚÈçͼËùÊ¾ÇøÓòÏàÓö£¬Ôò

       A£®ÐéÏß²¨µÄ´«²¥ËÙ¶È´óÓÚʵÏß²¨µÄ´«²¥ËÙ¶È

       B£®ÔÚÏàÓöÇøÓò²»»á·¢Éú¸ÉÉæÏÖÏó

       C£®Æ½ºâλÖÃΪx£½6m ´¦µÄÖʵã´Ë¿ÌËÙ¶ÈΪÁã

       D£®´Óͼʾʱ¿ÌÆðÔÙ¾­¹ý0£®25s£¬Æ½ºâλÖÃΪx£½7m ´¦µÄÖʵãµÄÎ»ÒÆy>0

Á·Ï°²áϵÁдð°¸
Ïà¹ØÏ°Ìâ

¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º ÌâÐÍ£º

¾«Ó¢¼Ò½ÌÍøÁ½Áмòгºá²¨ÔÚͬÖÖ½éÖÊÖд«²¥£¬Õñ·ù¶¼ÊÇ5cm£®ÊµÏß²¨µÄƵÂÊΪ2Hz£¬ÑØxÖḺ·½Ïò´«²¥£»ÐéÏß²¨ÑØxÖáÕý·½Ïò´«²¥£®Ä³Ê±¿ÌÁ½Áв¨ÔÚÈçͼËùÊ¾ÇøÓòÏàÓö£¬Ôò£¨¡¡¡¡£©
A¡¢ÐéÏß²¨µÄ´«²¥ËÙ¶È´óÓÚʵÏß²¨µÄ´«²¥ËÙ¶ÈB¡¢ÔÚÏàÓöÇøÓò²»»á·¢Éú¸ÉÉæÏÖÏóC¡¢Æ½ºâλÖÃΪx=6m ´¦µÄÖʵã´Ë¿ÌËÙ¶ÈΪÁãD¡¢´Óͼʾʱ¿ÌÆðÔÙ¾­¹ý0.25s£¬Æ½ºâλÖÃΪx=7m´¦µÄÖʵãµÄÎ»ÒÆy£¾0

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º ÌâÐÍ£º

Á½Áмòгºá²¨ÔÚͬÖÖ½éÖÊÖд«²¥£¬Õñ·ù¶¼ÊÇ5cm¡£ÊµÏß²¨µÄƵÂÊΪ2Hz£¬ÑØx ÖḺ·½Ïò´«²¥£»ÐéÏß²¨ÑØx ÖáÕý·½Ïò´«²¥¡£Ä³Ê±¿ÌÁ½Áв¨ÔÚÈçͼËùÊ¾ÇøÓòÏàÓö£¬Ôò

A£®ÐéÏß²¨µÄ´«²¥ËÙ¶È´óÓÚʵÏß²¨µÄ´«²¥ËÙ¶È

B£®ÔÚÏàÓöÇøÓò²»»á·¢Éú¸ÉÉæÏÖÏó

C£®Æ½ºâλÖÃΪx£½6m ´¦µÄÖʵã´Ë¿ÌËÙ¶ÈΪÁã

D£®´Óͼʾʱ¿ÌÆðÔÙ¾­¹ý0£®25s£¬Æ½ºâλÖÃΪx£½7m ´¦µÄÖʵãµÄÎ»ÒÆy>0

 

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º2011-2012ѧÄêÕã½­Ê¡¸ßÈý5Ô¸߿¼Ä£ÄâÀí¿Æ×ÛºÏÎïÀíÊÔ¾í£¨½âÎö°æ£© ÌâÐÍ£ºÑ¡ÔñÌâ

Á½Áмòгºá²¨ÔÚͬÖÖ½éÖÊÖд«²¥£¬Õñ·ù¶¼ÊÇ5cm¡£ÊµÏß²¨µÄƵÂÊΪ2Hz£¬ÑØx ÖḺ·½Ïò´«²¥£»ÐéÏß²¨ÑØx ÖáÕý·½Ïò´«²¥¡£Ä³Ê±¿ÌÁ½Áв¨ÔÚÈçͼËùÊ¾ÇøÓòÏàÓö£¬Ôò

A£®ÐéÏß²¨µÄ´«²¥ËÙ¶È´óÓÚʵÏß²¨µÄ´«²¥ËÙ¶È

B£®ÔÚÏàÓöÇøÓò²»»á·¢Éú¸ÉÉæÏÖÏó

C£®Æ½ºâλÖÃΪx£½6m ´¦µÄÖʵã´Ë¿ÌËÙ¶ÈΪÁã

D£®´Óͼʾʱ¿ÌÆðÔÙ¾­¹ý0£®25s£¬Æ½ºâλÖÃΪx£½7m ´¦µÄÖʵãµÄÎ»ÒÆy>0

 

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º2011-2012ѧÄêÕã½­Ê¡ÉÜÐËÊиßÈý½ÌѧÖÊÁ¿µ÷²âÀí¿Æ×ÛºÏÎïÀíÊÔÌ⣨½âÎö°æ£© ÌâÐÍ£ºÑ¡ÔñÌâ

Á½Áмòгºá²¨ÔÚͬÖÖ½éÖÊÖд«²¥£¬Õñ·ù¶¼ÊÇ5cm¡£ÊµÏß²¨µÄƵÂÊΪ2Hz£¬ÑØx ÖḺ·½Ïò´«²¥£»ÐéÏß²¨ÑØx ÖáÕý·½Ïò´«²¥¡£Ä³Ê±¿ÌÁ½Áв¨ÔÚÈçͼËùÊ¾ÇøÓòÏàÓö£¬Ôò

A£®ÐéÏß²¨µÄ´«²¥ËÙ¶È´óÓÚʵÏß²¨µÄ´«²¥ËÙ¶È

B£®ÔÚÏàÓöÇøÓò²»»á·¢Éú¸ÉÉæÏÖÏó

C£®Æ½ºâλÖÃΪx£½6m ´¦µÄÖʵã´Ë¿ÌËÙ¶ÈΪÁã

D£®´Óͼʾʱ¿ÌÆðÔÙ¾­¹ý0£®25s£¬Æ½ºâλÖÃΪx£½7m ´¦µÄÖʵãµÄÎ»ÒÆy>0

 

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º2012½ìÕã½­Ê¡º¼ÖÝÊ®ËÄÖиßÈý5Ô¸߿¼Ä£ÄâÀí¿Æ×ÛºÏÎïÀíÊÔ¾í£¨´ø½âÎö£© ÌâÐÍ£ºµ¥Ñ¡Ìâ

Á½Áмòгºá²¨ÔÚͬÖÖ½éÖÊÖд«²¥£¬Õñ·ù¶¼ÊÇ5cm¡£ÊµÏß²¨µÄƵÂÊΪ2Hz£¬ÑØx ÖḺ·½Ïò´«²¥£»ÐéÏß²¨ÑØx ÖáÕý·½Ïò´«²¥¡£Ä³Ê±¿ÌÁ½Áв¨ÔÚÈçͼËùÊ¾ÇøÓòÏàÓö£¬Ôò

A£®ÐéÏß²¨µÄ´«²¥ËÙ¶È´óÓÚʵÏß²¨µÄ´«²¥ËÙ¶È
B£®ÔÚÏàÓöÇøÓò²»»á·¢Éú¸ÉÉæÏÖÏó
C£®Æ½ºâλÖÃΪx£½6m´¦µÄÖʵã´Ë¿ÌËÙ¶ÈΪÁã
D£®´Óͼʾʱ¿ÌÆðÔÙ¾­¹ý0£®25s£¬Æ½ºâλÖÃΪx£½7m´¦µÄÖʵãµÄÎ»ÒÆy>0

²é¿´´ð°¸ºÍ½âÎö>>

ͬ²½Á·Ï°²á´ð°¸