ÌâÄ¿ÄÚÈÝ

¡¾ÌâÄ¿¡¿Ä³ÊµÑéС×é×¼±¸×ö̽¾¿¡°ºÏÁ¦×ö¹¦ÓëÎïÌåËٶȱ仯¹Øϵ¡±µÄʵÑé¡£

£¨1£©ÊµÑé×¼±¸¹ý³ÌÖУ¬ÔÚÉÏͼµÄһЩʵÑéÆ÷²ÄÖÐҪѡÓõ½µÄÓУ¨Ìî×ÖĸÐòºÅ£© ¡£

£¨2£©×é×°ºÃʵÑéÆ÷²Äºó£¬Ä³Í¬Ñ§¿ªÊ¼×öʵÑ飬С³µÔÚÏðƤ½î×÷ÓÃÏÂÑØľ°å»¬ÐУ¬Óà 1 ÌõÏðƤ½î¶ÔС³µ×öµÄ¹¦¼ÇΪ W£¬µ±Óà 2 Ìõ¡¢3 Ìõ¡­¡­ÊµÑéʱ£¬Ã¿´ÎʵÑéÖÐÏðƤ½îÉ쳤µÄ³¤¶È¶¼±£³ÖÒ»Ö£¬´ò³öһϵÁÐÖ½´ø£¬²¢¶Ô´ò³öµÄÖ½´ø½øÐвâÁ¿ºÍ¼ÆË㣬µÃµ½ÁËÏðƤ½î×ö¹¦ W ºÍС³µµÄ×î´óËÙ¶ÈÖµ Vm£¬¼Ç¼ÔÚ±í¸ñÖУ¬Ëû»¹¼ÆËã³öÁË Vm2 ÌîÔÚ±íÖС£Æä

ÖÐÓà 3 ¸ùÏðƤÌõʱ´ò³öµÄÖ½´øÈçÏÂͼ£¬Çë¸ù¾ÝÖ½´øÉϵÄÊý¾Ý¼ÆËã³ö Vm= m/s £»

ÏðƤ½î×ö¹¤W

W

2W

3W

4W

5W

Vm£¨m/s£©

0.91

1.19

1.79

1.99

Vm2£¨m2/s2£©

0.83

1.42

3.20

3.96

£¨3£©ÓÃ×÷ͼ·¨´¦ÀíÊý¾Ýʱ£¬ÎªÁËʹͼÏñÄÜÖ±¹Û·´Ó³ÊµÑé½áÂÛ£¬Èô°ÑÏðƤ½î×ö¹¦ W ×÷Ϊ×Ý×ø±ê£¬Ó¦°Ñ ×÷Ϊºá×ø±ê£¬²¢¸ù¾Ý±í¸ñÖеÄÊý¾ÝÔÚ×ø±êÖ½ÉÏ×÷ͼ¡£

£¨4£©¸ù¾ÝͼÏñÄãµÃ³öµÄ½áÂÛÊÇ ¡£

¡¾´ð°¸¡¿£¨1£©BCDEG

£¨2£©1£®55

£¨3£©£¬ÈçͼËùʾ

£¨4£©ºÏÁ¦×ö¹¦ÓëÎïÌåËٶȶþ´Î·½³ÉÕý±È£®

¡¾½âÎö¡¿£¨1£©ÊµÑéÖÐÔËÓÃÏðƤ½îÀ­×ÅС³µÏÈ×ö¼ÓËÙ£¬È»ºóÔÈËÙ£¬×îºó¼õËÙÔ˶¯£¬Ð¡³µÍÏ×ÅÖ½´øÔ˶¯£¬Í¨¹ýÖ½´øÇó³ö×î´óËٶȣ¬ÊµÑéÖÐÐèÒª´òµã¼ÆʱÆ÷¡¢Ð¡³µ¡¢¹Ì¶¨¼Ð¡¢Ö½´ø¡¢´øÎå¸ùÏàͬÏðƤ½îµÄ³¤Ä¾°å£¬¹ÊÑ¡BCDEG¡£

£¨2£©µ±Ð¡³µ×öÔÈËÙÖ±ÏßÔ˶¯Ê±£¬ËÙ¶È×î´ó£¬¸ù¾ÝÖ½´øÖª£¬×î´óËÙ¶È

¡£

£¨3£©ÓÃ×÷ͼ·¨´¦ÀíÊý¾Ýʱ£¬ÎªÁËʹͼÏóÄÜÖ±¹Û·´Ó³ÊµÑé½áÂÛ£¬Èô°ÑÏðƤ½î×ö¹¦W×÷Ϊ×Ý×ø±ê£¬Ó¦°Ñ×÷Ϊºá×ø±ê£¬Í¼ÏßÈçͼËùʾ¡£

£¨4£©¸ù¾ÝͼÏßÖª£¬WÓëµÄ¹ØϵͼÏßΪ¹ýÔ­µãµÄÇãбֱÏߣ¬ÖªºÏÁ¦×ö¹¦ÓëÎïÌåËٶȶþ´Î·½³ÉÕý±È¡£

Á·Ï°²áϵÁдð°¸
Ïà¹ØÌâÄ¿

Î¥·¨ºÍ²»Á¼ÐÅÏ¢¾Ù±¨µç»°£º027-86699610 ¾Ù±¨ÓÊÏ䣺58377363@163.com

¾«Ó¢¼Ò½ÌÍø