ÌâÄ¿ÄÚÈÝ
ÏÖÓÐë²£Á§A¡¢Ë«·ìB¡¢°×¹â¹âÔ´C¡¢µ¥·ìDºÍ͸ºì¹âµÄÂ˹âƬEµÈ¹âѧԪ¼þ£¬Òª°ÑËüÃÇ·ÅÔÚͼ1ËùʾµÄ¹â¾ß×ùÉÏ×é×°³ÉË«·ì¸ÉÉæ×°Öã¬ÓÃÒÔ²âÁ¿ºì¹âµÄ²¨³¤£®
£¨1£©½«°×¹â¹âÔ´C·ÅÔÚ¹â¾ß×ùµÄ×î×ó¶Ë£¬ÒÀ´Î·ÅÖÃÆäËû¹âѧԪ¼þ£¬ÓÉ×óÖÁÓÒ£¬±íʾ¸÷¹âѧԪ¼þµÄ×ÖĸÅÅÁÐ˳ÐòӦΪC¡¢
£¨2£©ÊµÑéµÄ²½ÖèÓУº
¢ÙÈ¡ÏÂÕÚ¹âͲ×ó²àµÄÔª¼þ£¬µ÷½Ú¹âÔ´¸ß¶È£¬Ê¹¹âÊøÄÜÖ±½ÓÑØÕÚ¹âͲµÄÖáÏß°ÑÆÁÕÕÁÁ£»
¢Ú°´ºÏÀíµÄ˳ÐòÔÚ¹â¾ß×ùÉÏ·ÅÖø÷¹âѧԪ¼þ£¬²¢Ê¹¸÷Ôª¼þµÄÖÐÐÄλÓÚÕÚ¹âͲµÄÖáÏßÉÏ£»
¢ÛÓÃÃ׳߲âÁ¿Ë«·ìµ½ÆÁµÄÖáÏßÉÏ£»¢ÜÓòâÁ¿Í·£¨Æä¶ÁÊý·½·¨Í¬ÂÝÐý²â΢Æ÷£©²âÁ¿ÊýÌõÁÁÎƼäµÄ¾àÀ룮
ÔÚ²Ù×÷²½Öè¢Úʱ»¹Ó¦×¢Òâµ¥·ìºÍË«·ì¼äµÄ¾àÀëԼΪ5cm¡«10cm ºÍ
£¨3£©½«²âÁ¿Í·µÄ·Ö»®°åÖÐÐÄ¿ÌÏßÓëijÁÁÎÆÖÐÐĶÔÆ룬½«¸ÃÁÁÎƶ¨ÎªµÚ1ÌõÁÁÎÆ£¬´ËʱÊÖÂÖÉϵÄʾÊýÈçͼ2Ëùʾ£¬È»ºóͬ·½Ïòת¶¯²âÁ¿Í·£¬Ê¹·Ö»®°åÖÐÐÄ¿ÌÏßÓëµÚ6ÌõÁÁÎƵÄÖÐÐĶÔÆë´ËʱÈçͼ3ËùʾÂÖÉϵÄʾÊýΪ
£¨4£©ÒÑ֪˫·ì¼ä¾àdΪ2.0¡Á10-4m£¬²âµÃË«·ìµ½ÆÁµÄ¾àÀëlΪ0.700m£¬ÇóµÃËù²âºì¹â²¨³¤Îª
£¨1£©½«°×¹â¹âÔ´C·ÅÔÚ¹â¾ß×ùµÄ×î×ó¶Ë£¬ÒÀ´Î·ÅÖÃÆäËû¹âѧԪ¼þ£¬ÓÉ×óÖÁÓÒ£¬±íʾ¸÷¹âѧԪ¼þµÄ×ÖĸÅÅÁÐ˳ÐòӦΪC¡¢
E¡¢D¡¢B
E¡¢D¡¢B
¡¢A£®£¨2£©ÊµÑéµÄ²½ÖèÓУº
¢ÙÈ¡ÏÂÕÚ¹âͲ×ó²àµÄÔª¼þ£¬µ÷½Ú¹âÔ´¸ß¶È£¬Ê¹¹âÊøÄÜÖ±½ÓÑØÕÚ¹âͲµÄÖáÏß°ÑÆÁÕÕÁÁ£»
¢Ú°´ºÏÀíµÄ˳ÐòÔÚ¹â¾ß×ùÉÏ·ÅÖø÷¹âѧԪ¼þ£¬²¢Ê¹¸÷Ôª¼þµÄÖÐÐÄλÓÚÕÚ¹âͲµÄÖáÏßÉÏ£»
¢ÛÓÃÃ׳߲âÁ¿Ë«·ìµ½ÆÁµÄÖáÏßÉÏ£»¢ÜÓòâÁ¿Í·£¨Æä¶ÁÊý·½·¨Í¬ÂÝÐý²â΢Æ÷£©²âÁ¿ÊýÌõÁÁÎƼäµÄ¾àÀ룮
ÔÚ²Ù×÷²½Öè¢Úʱ»¹Ó¦×¢Òâµ¥·ìºÍË«·ì¼äµÄ¾àÀëԼΪ5cm¡«10cm ºÍ
ʹµ¥·ìÓëË«·ìÏ໥ƽÐÐ
ʹµ¥·ìÓëË«·ìÏ໥ƽÐÐ
£®£¨3£©½«²âÁ¿Í·µÄ·Ö»®°åÖÐÐÄ¿ÌÏßÓëijÁÁÎÆÖÐÐĶÔÆ룬½«¸ÃÁÁÎƶ¨ÎªµÚ1ÌõÁÁÎÆ£¬´ËʱÊÖÂÖÉϵÄʾÊýÈçͼ2Ëùʾ£¬È»ºóͬ·½Ïòת¶¯²âÁ¿Í·£¬Ê¹·Ö»®°åÖÐÐÄ¿ÌÏßÓëµÚ6ÌõÁÁÎƵÄÖÐÐĶÔÆë´ËʱÈçͼ3ËùʾÂÖÉϵÄʾÊýΪ
13.870
13.870
mm£¬ÇóµÃÏàÁÚÁÁÎƵļä¾à¡÷xΪ2.310
2.310
mm£®£¨4£©ÒÑ֪˫·ì¼ä¾àdΪ2.0¡Á10-4m£¬²âµÃË«·ìµ½ÆÁµÄ¾àÀëlΪ0.700m£¬ÇóµÃËù²âºì¹â²¨³¤Îª
6.6¡Á102
6.6¡Á102
nm£®·ÖÎö£º£¨1£©Îª»ñÈ¡µ¥É«Ïß¹âÔ´£¬°×É«¹âÔ´ºóÃæÒªÓÐÂ˹âƬ¡¢µ¥·ì¡¢Ë«·ì£®
£¨2£©ÔÚ²Ù×÷²½Öè¢Úʱ»¹Ó¦×¢Òâʹµ¥·ìÓëË«·ìÏ໥ƽÐУ¬Ê¹Ò»¸öÏß¹âÔ´±äΪƵÂÊÏàµÈµÄÁ½¸öÏß¹âÔ´£®
£¨3£©ÂÝÐý²â΢Æ÷¶ÁÊý=¹Ì¶¨¿Ì¶È¶ÁÊý+¿É¶¯¿Ì¶È¶ÁÊý£®
£¨4£©¸ù¾Ý¡÷x=
¦ËÁÐʽÇó½â¹â²¨³¤£®
£¨2£©ÔÚ²Ù×÷²½Öè¢Úʱ»¹Ó¦×¢Òâʹµ¥·ìÓëË«·ìÏ໥ƽÐУ¬Ê¹Ò»¸öÏß¹âÔ´±äΪƵÂÊÏàµÈµÄÁ½¸öÏß¹âÔ´£®
£¨3£©ÂÝÐý²â΢Æ÷¶ÁÊý=¹Ì¶¨¿Ì¶È¶ÁÊý+¿É¶¯¿Ì¶È¶ÁÊý£®
£¨4£©¸ù¾Ý¡÷x=
L |
d |
½â´ð£º½â£º£¨1£©Îª»ñÈ¡µ¥É«Ïß¹âÔ´£¬°×É«¹âÔ´ºóÃæÒªÓÐÂ˹âƬ¡¢µ¥·ì¡¢Ë«·ì£®
£¨2£©ÔÚ²Ù×÷²½Öè¢Úʱ»¹Ó¦×¢Òâʹµ¥·ìÓëË«·ìÏ໥ƽÐУ¬Ê¹Ò»¸öÏß¹âÔ´±äΪƵÂÊÏàµÈµÄÁ½¸öÏß¹âÔ´£®
£¨3£©ÂÝÐý²â΢Æ÷¹Ì¶¨¿Ì¶È¶ÁÊýΪ13.5mm£¬¿É¶¯¿Ì¶È¶ÁÊýΪ37.0¡Á0.01mm£¬Á½ÕßÏà¼ÓΪ13.870mm£® ͼ2µÄ¶ÁÊýΪ£º2.320mm£¬ËùÒÔ¡÷x=
=2.310 mm£®
£¨4£©¸ù¾Ý¡÷x=
¦Ë£¬Öª¦Ë=
?¡÷x£¬´úÈëÊý¾Ý£¬¦Ë=6.6¡Á102nm£®
¹Ê´ð°¸Îª£º
£¨1£©E¡¢D¡¢B£»
£¨2£©Ê¹µ¥·ìÓëË«·ìÏ໥ƽÐУ»
£¨3£©13.870£¬2.310£»
£¨4£©6.6¡Á102£®
£¨2£©ÔÚ²Ù×÷²½Öè¢Úʱ»¹Ó¦×¢Òâʹµ¥·ìÓëË«·ìÏ໥ƽÐУ¬Ê¹Ò»¸öÏß¹âÔ´±äΪƵÂÊÏàµÈµÄÁ½¸öÏß¹âÔ´£®
£¨3£©ÂÝÐý²â΢Æ÷¹Ì¶¨¿Ì¶È¶ÁÊýΪ13.5mm£¬¿É¶¯¿Ì¶È¶ÁÊýΪ37.0¡Á0.01mm£¬Á½ÕßÏà¼ÓΪ13.870mm£® ͼ2µÄ¶ÁÊýΪ£º2.320mm£¬ËùÒÔ¡÷x=
13.870-2.320 |
5 |
£¨4£©¸ù¾Ý¡÷x=
L |
d |
d |
l |
¹Ê´ð°¸Îª£º
£¨1£©E¡¢D¡¢B£»
£¨2£©Ê¹µ¥·ìÓëË«·ìÏ໥ƽÐУ»
£¨3£©13.870£¬2.310£»
£¨4£©6.6¡Á102£®
µãÆÀ£º½â¾ö±¾ÌâµÄ¹Ø¼üÕÆÎÕÌõÎƵļä¾à¹«Ê½£¬ÒÔ¼°»á¶ÔÂÝÐý²â΢Æ÷ÕýÈ·¶ÁÊý£®
Á·Ï°²áϵÁдð°¸
Ïà¹ØÌâÄ¿