ÏÂͼΪһÉùËÙ²âÁ¿ÒÇÆ÷µÄʹÓÃ˵Ã÷ÊéºÍʵÑé×°ÖÃͼ£¬ÔĶÁ²¢»Ø´ðÎÊÌ⣮

£¨1£©Èô°ÑÍ­Áå·ÅÔڼס¢ÒÒµÄÖе㣬ÔòÒº¾§ÏÔʾÆÁµÄʾÊý     £®
£¨2£©Ò»Í¬Ñ§½«Í­Áå·Åµ½¼×µÄ×ó±ß£¬²¢ÓëÒÒÔÚÒ»ÌõÖ±Ïß 
ÉÏ£¬ÔòÍ­ÁåÀë¼×Ô½Ô¶£¬Òº¾§ÏÔʾÆÁµÄÊýÖµ    £®(Ìî¡°±ä´ó¡±¡¢¡°±äС¡±»ò¡°²»±ä¡±).
£¨3£©Ò»Í¬Ñ§ÏëÑé֤ζÈÔ½¸ß£¬ÉùËÙÔ½´ó£¬°ÑÍ­Áå¹Ì¶¨·ÅÔÚ¼×µÄ×ó±ß£¬È»ºó¼ÓÈȼ×ÒÒÖ®¼äµÄ¿ÕÆø£¬ÔòÒº¾§ÏÔʾÆÁµÄÊýÖµ½«£¨    £©
A£®±ä´óB£®±äСC£®²»±äD£®ÎÞ·¨ÅжÏ
£¨4£©ÒÑÖªS1=20cm£¬S2=80cm£¬Òº¾§ÏÔʾÆÁÉÏÏÔʾ£º1.765£¬Ôò´ËʱÉùËÙԼΪ¶àÉÙm/s£¿
£¨1£©0£¨2·Ö£© £¨2£©²»±ä£¨2·Ö£©  £¨3£©B£¨2·Ö£© £¨4£©340m/s£¨4·Ö£©½âÎö:
ͬѧ½«Í­Áå·Åµ½¼×µÄ×ó±ß£¬²¢ÓëÒÒÔÚÒ»ÌõÖ±ÏßÉÏ£¬ÔòÍ­ÁåÀë¼×Ô½Ô¶£¬Òº¾§ÏÔʾÆÁµÄÊýÖµ²»±ä¡£Ñé֤ζÈÔ½¸ß£¬ÉùËÙÔ½´ó£¬°ÑÍ­Áå¹Ì¶¨·ÅÔÚ¼×µÄ×ó±ß£¬È»ºó¼ÓÈȼ×ÒÒÖ®¼äµÄ¿ÕÆø£¬ÔòÒº¾§ÏÔʾÆÁµÄÊýÖµ½«±äС¡£Òº¾§ÏÔʾÆÁÉÏÏÔʾ£º1.765£¬Ôò´ËʱÉùËÙԼΪ340m/s¡£
Á·Ï°²áϵÁдð°¸
Ïà¹ØÏ°Ìâ

¿ÆÄ¿£º³õÖÐÎïÀí À´Ô´£º ÌâÐÍ£ºÔĶÁÀí½â

£¨2013?²×ÀËÇøһģ£©ÏÂͼΪһÉùËÙ²âÁ¿ÒÇÆ÷µÄʹÓÃ˵Ã÷ÊéºÍʵÑé×°ÖÃͼ£¬ÔĶÁ²¢»Ø´ð£®

£¨1£©Èô°ÑÍ­Áå·ÅÔڼס¢ÒÒµÄÖе㣬ÔòÒº¾§ÏÔʾÆÁµÄʾÊý
0
0
£®
£¨2£©Ò»Í¬Ñ§½«Í­Áå·Åµ½¼×µÄ×ó±ß£¬²¢Óë¼×ÒÒÔÚÒ»ÌõÖ±ÏßÉÏ£¬ÔòÍ­ÁåÀë¼×Ô½Ô¶£¬Òº¾§ÏÔʾÆÁµÄÊýÖµ
²»±ä
²»±ä
£¨Ñ¡Ìî¡°±ä´ó¡±¡¢¡°±äС¡±»ò¡°²»±ä¡±£©£®
£¨3£©Ò»Í¬Ñ§ÏëÑéÖ¤ÉùËÙÓëÆøÌåÄÚ²¿Ñ¹Á¦µÄ¹Øϵ£¬°ÑÍ­Áå¹Ì¶¨·ÅÔÚ¼×µÄ×ó±ß£¬²¢Óë¼×ÒÒÔÚÒ»ÌõÖ±ÏßÉÏ£¬È»ºóÔÚ¼×ÒÒÖ®¼ä¼Óѹ£¬·¢ÏÖÒº¾§ÏÔʾÆÁµÄÊýÖµ±äС£¬ÔòÉùËÙËæÆøÌåѹÁ¦µÄÔö´ó¶ø
A
A
£®
A£®±ä´ó          B£®±äС          C£®²»±ä         D£®ÎÞ·¨ÅжÏ
£¨4£©ÈçͼÖУ¬ÒÑÖªS1=20cm£¬S2=80cm£¬Òº¾§ÏÔʾÆÁÉÏÏÔʾ£º1.875£¬Ôò´ËʱÉùËÙԼΪ
320
320
m/s£®

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º³õÖÐÎïÀí À´Ô´£º ÌâÐÍ£ºÔĶÁÀí½â

ÏÂͼΪһÉùËÙ²âÁ¿ÒÇÆ÷µÄʹÓÃ˵Ã÷ÊéºÍʵÑé×°ÖÃͼ£¬ÔĶÁ²¢»Ø´ðÎÊÌ⣮

£¨1£©Èô°ÑÍ­Áå·ÅÔڼס¢ÒÒµÄÖе㣬ÔòÒº¾§ÏÔʾÆÁµÄʾÊý     £®

£¨2£©Ò»Í¬Ñ§½«Í­Áå·Åµ½¼×µÄ×ó±ß£¬²¢ÓëÒÒÔÚÒ»ÌõÖ±Ïß 

ÉÏ£¬ÔòÍ­ÁåÀë¼×Ô½Ô¶£¬Òº¾§ÏÔʾÆÁµÄÊýÖµ     £®(Ìî¡°±ä´ó¡±¡¢¡°±äС¡±»ò¡°²»±ä¡±).

£¨3£©Ò»Í¬Ñ§ÏëÑé֤ζÈÔ½¸ß£¬ÉùËÙÔ½´ó£¬°ÑÍ­Áå¹Ì¶¨·ÅÔÚ¼×µÄ×ó±ß£¬È»ºó¼ÓÈȼ×ÒÒÖ®¼äµÄ¿ÕÆø£¬ÔòÒº¾§ÏÔʾÆÁµÄÊýÖµ½«£¨     £©

A£®±ä´ó B£®±äС C£®²»±ä  D£®ÎÞ·¨ÅжÏ

£¨4£©ÒÑÖªS1=20cm£¬S2=80cm£¬Òº¾§ÏÔʾÆÁÉÏÏÔʾ£º1.765£¬Ôò´ËʱÉùËÙԼΪ¶àÉÙm/s£¿

 

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º³õÖÐÎïÀí À´Ô´£º2012½ì½­ËÕÊ¡ÑγÇÊеÚÒ»³õ¼¶ÖÐѧ½ÌÓý¼¯ÍÅ°ËÄ꼶ÉÏѧÆÚÆÚÄ©¿¼ÊÔÎïÀíÊÔ¾í£¨´ø½âÎö£© ÌâÐÍ£ºÊµÑéÌâ

ÏÂͼΪһÉùËÙ²âÁ¿ÒÇÆ÷µÄʹÓÃ˵Ã÷ÊéºÍʵÑé×°ÖÃͼ£¬ÔĶÁ²¢»Ø´ðÎÊÌ⣮

£¨1£©Èô°ÑÍ­Áå·ÅÔڼס¢ÒÒµÄÖе㣬ÔòÒº¾§ÏÔʾÆÁµÄʾÊý     £®
£¨2£©Ò»Í¬Ñ§½«Í­Áå·Åµ½¼×µÄ×ó±ß£¬²¢ÓëÒÒÔÚÒ»ÌõÖ±Ïß 
ÉÏ£¬ÔòÍ­ÁåÀë¼×Ô½Ô¶£¬Òº¾§ÏÔʾÆÁµÄÊýÖµ    £®(Ìî¡°±ä´ó¡±¡¢¡°±äС¡±»ò¡°²»±ä¡±).
£¨3£©Ò»Í¬Ñ§ÏëÑé֤ζÈÔ½¸ß£¬ÉùËÙÔ½´ó£¬°ÑÍ­Áå¹Ì¶¨·ÅÔÚ¼×µÄ×ó±ß£¬È»ºó¼ÓÈȼ×ÒÒÖ®¼äµÄ¿ÕÆø£¬ÔòÒº¾§ÏÔʾÆÁµÄÊýÖµ½«£¨    £©

A£®±ä´óB£®±äСC£®²»±äD£®ÎÞ·¨ÅжÏ
£¨4£©ÒÑÖªS1=20cm£¬S2=80cm£¬Òº¾§ÏÔʾÆÁÉÏÏÔʾ£º1.765£¬Ôò´ËʱÉùËÙԼΪ¶àÉÙm/s£¿

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º³õÖÐÎïÀí À´Ô´£º2011-2012ѧÄê½­ËÕÊ¡ÑγÇÊнÌÓý¼¯ÍÅ°ËÄ꼶ÉÏѧÆÚÆÚÄ©¿¼ÊÔÎïÀíÊÔ¾í£¨½âÎö°æ£© ÌâÐÍ£ºÊµÑéÌâ

ÏÂͼΪһÉùËÙ²âÁ¿ÒÇÆ÷µÄʹÓÃ˵Ã÷ÊéºÍʵÑé×°ÖÃͼ£¬ÔĶÁ²¢»Ø´ðÎÊÌ⣮

£¨1£©Èô°ÑÍ­Áå·ÅÔڼס¢ÒÒµÄÖе㣬ÔòÒº¾§ÏÔʾÆÁµÄʾÊý      £®

£¨2£©Ò»Í¬Ñ§½«Í­Áå·Åµ½¼×µÄ×ó±ß£¬²¢ÓëÒÒÔÚÒ»ÌõÖ±Ïß 

ÉÏ£¬ÔòÍ­ÁåÀë¼×Ô½Ô¶£¬Òº¾§ÏÔʾÆÁµÄÊýÖµ     £®(Ìî¡°±ä´ó¡±¡¢¡°±äС¡±»ò¡°²»±ä¡±).

£¨3£©Ò»Í¬Ñ§ÏëÑé֤ζÈÔ½¸ß£¬ÉùËÙÔ½´ó£¬°ÑÍ­Áå¹Ì¶¨·ÅÔÚ¼×µÄ×ó±ß£¬È»ºó¼ÓÈȼ×ÒÒÖ®¼äµÄ¿ÕÆø£¬ÔòÒº¾§ÏÔʾÆÁµÄÊýÖµ½«£¨     £©

A£®±ä´ó B£®±äС C£®²»±ä  D£®ÎÞ·¨ÅжÏ

£¨4£©ÒÑÖªS1=20cm£¬S2=80cm£¬Òº¾§ÏÔʾÆÁÉÏÏÔʾ£º1.765£¬Ôò´ËʱÉùËÙԼΪ¶àÉÙm/s£¿

 

²é¿´´ð°¸ºÍ½âÎö>>

ͬ²½Á·Ï°²á´ð°¸