ÌâÄ¿ÄÚÈÝ
A£®£¨Ñ¡ÐÞÄ£¿é3-3£©
¶þÑõ»¯Ì¼Êǵ¼ÖÂÈ«Çò±äůµÄÖ÷ÒªÔÒòÖ®Ò»£¬ÈËÀàÔÚ²ÉÈ¡½ÚÄܼõÅÅ´ëÊ©µÄͬʱ£¬Ò²ÔÚÑо¿¿ØÖÆÎÂÊÒÆøÌåµÄз½·¨£¬Ä¿Ç°×¨¼ÒÃÇÕýÔÚÑо¿¶þÑõ»¯Ì¼µÄÉ´¦Àí¼¼Êõ£®
£¨1£©ÔÚij´ÎʵÑéÖУ¬½«Ò»¶¨ÖÊÁ¿µÄ¶þÑõ»¯Ì¼ÆøÌå·â±ÕÔÚÒ»¿É×ÔÓÉѹËõµÄµ¼ÈÈÈÝÆ÷ÖУ¬½«ÈÝÆ÷»ºÂýÒƵ½º£Ë®Ä³Éî´¦£¬ÆøÌåÌå»ý¼õΪÔÀ´µÄÒ»°ë£¬²»¼Æζȱ仯£¬Ôò´Ë¹ý³ÌÖÐ______
A£®·â±ÕÆøÌå¶ÔÍâ½ç×öÕý¹¦B£®·â±ÕÆøÌåÏòÍâ½ç´«µÝÈÈÁ¿
C£®·â±ÕÆøÌå·Ö×ÓµÄƽ¾ù¶¯ÄÜÔö´óD£®·â±ÕÆøÌå×é³ÉµÄϵͳµÄìؼõС
£¨2£©ÊµÑé·¢ÏÖ£¬¶þÑõ»¯Ì¼ÆøÌåÔÚË®Éî170m´¦±ä³ÉÒºÌ壬ËüµÄÃܶȱȺ£Ë®´ó£¬¿¿ÉµÄѹÁ¦Ê¹ËüÓÀ³Áº£µ×£¬ÒÔ¼õÉÙÅŷŵ½´óÆøÖеĶþÑõ»¯Ì¼Á¿£®ÈÝÆ÷ÖеĶþÑõ»¯Ì¼´¦ÓÚÆûҺƽºâ״̬ʱµÄѹǿËæζȵÄÔö´ó¶ø______£¨Ñ¡Ìî¡°Ôö´ó¡±¡¢¡°¼õС¡±»ò¡°²»±ä¡±£©£»ÔÚ¶þÑõ»¯Ì¼ÒºÌå±íÃ棬Æä·Ö×Ó¼äµÄÒýÁ¦______£¨Ñ¡Ìî¡°´óÓÚ¡±¡¢¡°µÈÓÚ¡±»ò¡°Ð¡ÓÚ¡±£©³âÁ¦£®
£¨3£©ÊµÑé·¢ÏÖ£¬ÔÚË®Éî300m´¦£¬¶þÑõ»¯Ì¼½«±ä³ÉÄý½º×´Ì¬£¬µ±Ë®É¹ý2500mʱ£¬¶þÑõ»¯Ì¼»áŨËõ³É½üËƹÌÌåµÄÓ²½ºÌ壮ÉèÔÚij״̬϶þÑõ»¯Ì¼ÆøÌåµÄÃܶÈΪ¦Ñ£¬Ä¦¶ûÖÊÁ¿ÎªM£¬°¢·ü¼ÓµÂÂÞ³£ÊýΪN£¬½«¶þÑõ»¯Ì¼·Ö×Ó¿´×÷Ö±¾¶ÎªDµÄÇò£¬Ìå»ýΪÓÚ
¦ÐD3£¬ÔòÔÚ¸Ã״̬ÏÂÌå»ýΪVµÄ¶þÑõ»¯Ì¼ÆøÌå±ä³É¹ÌÌåºóÌå»ýΪ¶àÉÙ£¿
B£®£¨Ñ¡ÐÞÄ£¿é3-4£©
£¨1£©ÏÂÁÐ˵·¨ÖÐÕýÈ·µÄÊÇ______
A£®Ïà¶ÔÂÛÈÏΪʱ¼äºÍ¿Õ¼äÓëÎïÖʵÄÔ˶¯×´Ì¬ÓйØ
B£®Óü¤¹â¶ÁÈ¡¹âÅÌÉϼǼµÄÐÅÏ¢ÊÇÀûÓü¤¹âƽÐжȺõÄÌصã
C£®Ò»Áв¨ÔÚÏòÇ°´«²¥£¬µ±²¨Ô´Í»È»Í£Ö¹Õñ¶¯Ê±£¬ÆäËûÖʵãҲͬʱֹͣÕñ¶¯
D£®µ¥°ÚµÄ°Ú³¤Ôö´óºó£¬¼òгÔ˶¯µÄƵÂÊ»á±ä´ó
£¨2£©ÎÒ¹úÕýÔÚ´ó¹æÄ£½¨ÉèµÚÈý´úÒƶ¯Í¨ÐÅϵͳ£¨3G£©£¬Ëü½«ÎÞÏßͨÐÅÓë¹ú¼Ê»¥ÁªÍøµÈ¶àýÌåͨÐŽáºÏÆðÀ´£¬ÄÜÌṩÎÞÏßÍøÂç¡¢µç»°»áÒé¡¢µç×ÓÉÌÎñµÈÐÅÏ¢·þÎñ£®Ä³Òƶ¯ÔËÓªÉ̲ÉÓÃ1.8x109HZµÄµç´Å²¨´«µÝÐźţ¬´Ëµç´Å²¨ÔÚÕæ¿ÕÖеIJ¨³¤Îª______m£»ÔÚͨ»°Ê±£¬ÊÖ»ú½«ÉùÒôÐźÅת±ä³ÉµçÐźţ¬ÔÙ¾¹ý______£¨Ñ¡Ìî¡°µ÷г¡±¡¢¡°µ÷ÖÆ¡±»ò¡°½âµ÷¡±£©ºó£¬°ÑÐźŷ¢Ë͵½»ùÕ¾ÖÐת£®
£¨3£©ÔÚij¿Æ¼¼¹ÝÄÚ·ÅÖÃÁËÒ»¸ö¸ß´óµÄ°ëÔ²ÖùÐÎ͸Ã÷ÎïÌ壬Æ丩ÊÓͼÈçͼËùʾ£¬0Ϊ°ëÔ²µÄÔ²ÐÄ£®¼×¡¢ÒÒÁ½Í¬Ñ§ÎªÁ˹À²â¸Ã͸Ã÷ÌåµÄÕÛÉäÂÊ£¬½øÐÐÁËÈçÏÂʵÑ飮ËûÃÇ·Ö±ðÕ¾ÔÚA¡¢O´¦Ê±£¬Ï໥¿´×ŶԷ½£¬È»ºóÁ½ÈËÌù×ÅÖùÌåÂýÂýÏòÒ»²àÔ˶¯£¬µ½´ïB¡¢C´¦Ê±£¬¼×¸ÕºÃ¿´²»µ½ÒÒ£®ÒÑÖª°ëÔ²ÖùÌåµÄ°ë¾¶ÎªR£¬OC=0.6R£¬BC¡ÍOC£¬Ôò°ëÔ²ÖùÐÎ͸Ã÷ÎïÌåµÄÕÛÉäÂÊΪ¶àÉÙ£¿
C£®£¨Ñ¡ÐÞÄ£¿é3-5£©
£¨1£©ÏÂÁÐÎïÀíʵÑéÖУ¬ÄÜ˵Ã÷Á£×Ó¾ßÓв¨¶¯ÐÔµÄÊÇ______
A£®Í¨¹ýÑо¿½ðÊôµÄ¶ôÖ¹µçѹÓëÈëÉä¹âƵÂʵĹØϵ£¬Ö¤Ã÷ÁË°®Òò˹̹·½³ÌµÄÕýÈ·ÐÔ
B£®Í¨¹ý²âÊÔ¶àÖÖÎïÖʶÔXÉäÏßµÄÉ¢É䣬·¢ÏÖÉ¢ÉäÉäÏßÖÐÓв¨³¤±ä´óµÄ³É·Ö
C£®Í¨¹ýµç×ÓË«·ìʵÑ飬·¢ÏÖµç×ӵĸÉÉæÏÖÏó
D£®ÀûÓþ§Ìå×öµç×ÓÊøÑÜÉäʵÑ飬֤ʵÁ˵ç×ӵIJ¨¶¯ÐÔ
£¨2£©ÇâÔ×ÓµÄÄܼ¶ÈçͼËùʾ£®ÓÐһȺ´¦ÓÚn=4Äܼ¶µÄÇâÔ×Ó£¬ÕâȺÇâÔ×ÓÄÜ·¢³ö______ÖÖÆ×Ïߣ¬·¢³öµÄ¹â×ÓÕÕÉäij½ðÊôÄܲúÉú¹âµçЧӦÏÖÏó£¬Ôò¸Ã½ðÊôµÄÒݳö¹¦Ó¦Ð¡ÓÚ______eV£®
£¨3£©½üÄêÀ´£¬¹ú¼ÊÈȺ˾۱äʵÑé¶Ñ¼Æ»®È¡µÃÁËÖØ´ó½øÕ¹£¬ËüÀûÓõĺ˷´Ó¦·½³ÌÊÇ
H+
H¡ú
He+
n£®Èô
HºÍ
HÓÃæÅöײ£¬³õËٶȴóС·Ö±ðΪv1¡¢v2£¬
H¡¢
H¡¢
He¡¢
nµÄÖÊÁ¿·Ö±ðΪm1¡¢m2¡¢m3¡¢m4£¬·´Ó¦ºó
HeµÄËٶȴóСΪv3£¬·½ÏòÓë
HµÄÔ˶¯·½ÏòÏàͬ£¬ÇóÖÐ×Ó
nµÄËÙ¶È
£¨Ñ¡È¡mµÄÔ˶¯·½ÏòΪÕý·½Ïò£¬²»¼ÆÊͷŵĹâ×ӵĶ¯Á¿£¬²»¿¼ÂÇÏà¶ÔÂÛЧӦ£©£®
¶þÑõ»¯Ì¼Êǵ¼ÖÂÈ«Çò±äůµÄÖ÷ÒªÔÒòÖ®Ò»£¬ÈËÀàÔÚ²ÉÈ¡½ÚÄܼõÅÅ´ëÊ©µÄͬʱ£¬Ò²ÔÚÑо¿¿ØÖÆÎÂÊÒÆøÌåµÄз½·¨£¬Ä¿Ç°×¨¼ÒÃÇÕýÔÚÑо¿¶þÑõ»¯Ì¼µÄÉ´¦Àí¼¼Êõ£®
£¨1£©ÔÚij´ÎʵÑéÖУ¬½«Ò»¶¨ÖÊÁ¿µÄ¶þÑõ»¯Ì¼ÆøÌå·â±ÕÔÚÒ»¿É×ÔÓÉѹËõµÄµ¼ÈÈÈÝÆ÷ÖУ¬½«ÈÝÆ÷»ºÂýÒƵ½º£Ë®Ä³Éî´¦£¬ÆøÌåÌå»ý¼õΪÔÀ´µÄÒ»°ë£¬²»¼Æζȱ仯£¬Ôò´Ë¹ý³ÌÖÐ______
A£®·â±ÕÆøÌå¶ÔÍâ½ç×öÕý¹¦B£®·â±ÕÆøÌåÏòÍâ½ç´«µÝÈÈÁ¿
C£®·â±ÕÆøÌå·Ö×ÓµÄƽ¾ù¶¯ÄÜÔö´óD£®·â±ÕÆøÌå×é³ÉµÄϵͳµÄìؼõС
£¨2£©ÊµÑé·¢ÏÖ£¬¶þÑõ»¯Ì¼ÆøÌåÔÚË®Éî170m´¦±ä³ÉÒºÌ壬ËüµÄÃܶȱȺ£Ë®´ó£¬¿¿ÉµÄѹÁ¦Ê¹ËüÓÀ³Áº£µ×£¬ÒÔ¼õÉÙÅŷŵ½´óÆøÖеĶþÑõ»¯Ì¼Á¿£®ÈÝÆ÷ÖеĶþÑõ»¯Ì¼´¦ÓÚÆûҺƽºâ״̬ʱµÄѹǿËæζȵÄÔö´ó¶ø______£¨Ñ¡Ìî¡°Ôö´ó¡±¡¢¡°¼õС¡±»ò¡°²»±ä¡±£©£»ÔÚ¶þÑõ»¯Ì¼ÒºÌå±íÃ棬Æä·Ö×Ó¼äµÄÒýÁ¦______£¨Ñ¡Ìî¡°´óÓÚ¡±¡¢¡°µÈÓÚ¡±»ò¡°Ð¡ÓÚ¡±£©³âÁ¦£®
£¨3£©ÊµÑé·¢ÏÖ£¬ÔÚË®Éî300m´¦£¬¶þÑõ»¯Ì¼½«±ä³ÉÄý½º×´Ì¬£¬µ±Ë®É¹ý2500mʱ£¬¶þÑõ»¯Ì¼»áŨËõ³É½üËƹÌÌåµÄÓ²½ºÌ壮ÉèÔÚij״̬϶þÑõ»¯Ì¼ÆøÌåµÄÃܶÈΪ¦Ñ£¬Ä¦¶ûÖÊÁ¿ÎªM£¬°¢·ü¼ÓµÂÂÞ³£ÊýΪN£¬½«¶þÑõ»¯Ì¼·Ö×Ó¿´×÷Ö±¾¶ÎªDµÄÇò£¬Ìå»ýΪÓÚ
1 |
6 |
B£®£¨Ñ¡ÐÞÄ£¿é3-4£©
£¨1£©ÏÂÁÐ˵·¨ÖÐÕýÈ·µÄÊÇ______
A£®Ïà¶ÔÂÛÈÏΪʱ¼äºÍ¿Õ¼äÓëÎïÖʵÄÔ˶¯×´Ì¬ÓйØ
B£®Óü¤¹â¶ÁÈ¡¹âÅÌÉϼǼµÄÐÅÏ¢ÊÇÀûÓü¤¹âƽÐжȺõÄÌصã
C£®Ò»Áв¨ÔÚÏòÇ°´«²¥£¬µ±²¨Ô´Í»È»Í£Ö¹Õñ¶¯Ê±£¬ÆäËûÖʵãҲͬʱֹͣÕñ¶¯
D£®µ¥°ÚµÄ°Ú³¤Ôö´óºó£¬¼òгÔ˶¯µÄƵÂÊ»á±ä´ó
£¨2£©ÎÒ¹úÕýÔÚ´ó¹æÄ£½¨ÉèµÚÈý´úÒƶ¯Í¨ÐÅϵͳ£¨3G£©£¬Ëü½«ÎÞÏßͨÐÅÓë¹ú¼Ê»¥ÁªÍøµÈ¶àýÌåͨÐŽáºÏÆðÀ´£¬ÄÜÌṩÎÞÏßÍøÂç¡¢µç»°»áÒé¡¢µç×ÓÉÌÎñµÈÐÅÏ¢·þÎñ£®Ä³Òƶ¯ÔËÓªÉ̲ÉÓÃ1.8x109HZµÄµç´Å²¨´«µÝÐźţ¬´Ëµç´Å²¨ÔÚÕæ¿ÕÖеIJ¨³¤Îª______m£»ÔÚͨ»°Ê±£¬ÊÖ»ú½«ÉùÒôÐźÅת±ä³ÉµçÐźţ¬ÔÙ¾¹ý______£¨Ñ¡Ìî¡°µ÷г¡±¡¢¡°µ÷ÖÆ¡±»ò¡°½âµ÷¡±£©ºó£¬°ÑÐźŷ¢Ë͵½»ùÕ¾ÖÐת£®
£¨3£©ÔÚij¿Æ¼¼¹ÝÄÚ·ÅÖÃÁËÒ»¸ö¸ß´óµÄ°ëÔ²ÖùÐÎ͸Ã÷ÎïÌ壬Æ丩ÊÓͼÈçͼËùʾ£¬0Ϊ°ëÔ²µÄÔ²ÐÄ£®¼×¡¢ÒÒÁ½Í¬Ñ§ÎªÁ˹À²â¸Ã͸Ã÷ÌåµÄÕÛÉäÂÊ£¬½øÐÐÁËÈçÏÂʵÑ飮ËûÃÇ·Ö±ðÕ¾ÔÚA¡¢O´¦Ê±£¬Ï໥¿´×ŶԷ½£¬È»ºóÁ½ÈËÌù×ÅÖùÌåÂýÂýÏòÒ»²àÔ˶¯£¬µ½´ïB¡¢C´¦Ê±£¬¼×¸ÕºÃ¿´²»µ½ÒÒ£®ÒÑÖª°ëÔ²ÖùÌåµÄ°ë¾¶ÎªR£¬OC=0.6R£¬BC¡ÍOC£¬Ôò°ëÔ²ÖùÐÎ͸Ã÷ÎïÌåµÄÕÛÉäÂÊΪ¶àÉÙ£¿
C£®£¨Ñ¡ÐÞÄ£¿é3-5£©
£¨1£©ÏÂÁÐÎïÀíʵÑéÖУ¬ÄÜ˵Ã÷Á£×Ó¾ßÓв¨¶¯ÐÔµÄÊÇ______
A£®Í¨¹ýÑо¿½ðÊôµÄ¶ôÖ¹µçѹÓëÈëÉä¹âƵÂʵĹØϵ£¬Ö¤Ã÷ÁË°®Òò˹̹·½³ÌµÄÕýÈ·ÐÔ
B£®Í¨¹ý²âÊÔ¶àÖÖÎïÖʶÔXÉäÏßµÄÉ¢É䣬·¢ÏÖÉ¢ÉäÉäÏßÖÐÓв¨³¤±ä´óµÄ³É·Ö
C£®Í¨¹ýµç×ÓË«·ìʵÑ飬·¢ÏÖµç×ӵĸÉÉæÏÖÏó
D£®ÀûÓþ§Ìå×öµç×ÓÊøÑÜÉäʵÑ飬֤ʵÁ˵ç×ӵIJ¨¶¯ÐÔ
£¨2£©ÇâÔ×ÓµÄÄܼ¶ÈçͼËùʾ£®ÓÐһȺ´¦ÓÚn=4Äܼ¶µÄÇâÔ×Ó£¬ÕâȺÇâÔ×ÓÄÜ·¢³ö______ÖÖÆ×Ïߣ¬·¢³öµÄ¹â×ÓÕÕÉäij½ðÊôÄܲúÉú¹âµçЧӦÏÖÏó£¬Ôò¸Ã½ðÊôµÄÒݳö¹¦Ó¦Ð¡ÓÚ______eV£®
£¨3£©½üÄêÀ´£¬¹ú¼ÊÈȺ˾۱äʵÑé¶Ñ¼Æ»®È¡µÃÁËÖØ´ó½øÕ¹£¬ËüÀûÓõĺ˷´Ó¦·½³ÌÊÇ
21 |
31 |
42 |
10 |
21 |
31 |
21 |
31 |
42 |
10 |
42 |
21 |
10 |
£¨Ñ¡È¡mµÄÔ˶¯·½ÏòΪÕý·½Ïò£¬²»¼ÆÊͷŵĹâ×ӵĶ¯Á¿£¬²»¿¼ÂÇÏà¶ÔÂÛЧӦ£©£®
A¡¢£¨1£©A¡¢ÆøÌåÌå»ý¼õΪÔÀ´µÄÒ»°ë£¬Íâ½ç¶ÔÆøÌå×öÕý¹¦£¬¹ÊA´íÎó£®
B¡¢Î¶Ȳ»±ä£¬ËùÒÔÆøÌåµÄÆøÌå·Ö×ÓµÄƽ¾ù¶¯Äܲ»±ä£¬ÄÚÄܲ»±ä£¬¹ÊBÕýÈ·£¬
¶ÔÓÚÈÈÁ¦Ñ§µÚÒ»¶¨ÂÉ¡÷U=W+Q£¬ËùÒÔ·â±ÕÆøÌåÏòÍâ½ç´«µÝÈÈÁ¿£¬¹ÊC´íÎó£®
D¡¢·â±ÕÆøÌå×é³ÉµÄϵͳµÄìؼõС£¬¹ÊDÕýÈ·£®
¹ÊÑ¡BD£®
£¨2£©ÈÝÆ÷ÖеĶþÑõ»¯Ì¼´¦ÓÚÆûҺƽºâ״̬ʱ£¬Ìå»ý²»±ä£¬Ñ¹Ç¿ËæζȵÄÔö´ó¶øÔö´ó£¬ÔÚ¶þÑõ»¯Ì¼ÒºÌå±íÃ棬Æä·Ö×Ó¼äµÄÒýÁ¦´óÓÚ³âÁ¦£®
£¨3£©¶þÑõ»¯Ì¼ÆøÌåµÄĦ¶ûÊýn=
±ä³É¹ÌÌåºóµÄÌå»ýV¡ä=nNVÇò=
B¡¢£¨1£©A¡¢Ê±¼äºÍ¿Õ¼äµÄÏà¶ÔÐÔÓëÎïÖʵÄÔ˶¯ËÙ¶ÈÓйأ¬¹ÊAÕýÈ·£¬
B¡¢Óü¤¹â¶ÁÈ¡¹âÅÌÉϼǼµÄÐÅÏ¢ÊÇÀûÓü¤¹âƽÐжȺõÄÌص㣬¹ÊBÕýÈ·£®
C¡¢Ò»Áв¨ÔÚÏòÇ°´«²¥£¬µ±²¨Ô´Í»È»Í£Ö¹Õñ¶¯Ê±£¬ÆäËûÖʵã¼ÌÐøÕñ¶¯£¬¹ÊC´íÎó£®
D¡¢µ¥°ÚµÄÖÜÆÚ¹«Ê½T=2¦Ð
£¬µ¥°ÚµÄ°Ú³¤Ôö´óºó£¬¼òгÔ˶¯µÄÕýÈ·±ä´ó£¬ÆµÂʱäС£¬¹ÊD´íÎó£®
¹ÊÑ¡AB£®
£¨2£©Ä³Òƶ¯ÔËÓªÉ̲ÉÓÃ1.8x109HZµÄµç´Å²¨´«µÝÐźţ¬´Ëµç´Å²¨ÔÚÕæ¿ÕÖеIJ¨³¤¦Ë=
=0.17m
ÔÚͨ»°Ê±£¬ÊÖ»ú½«ÉùÒôÐźÅת±ä³ÉµçÐźţ¬ÔÙ¾¹ýµ÷Öƺ󣬰ÑÐźŷ¢Ë͵½»ùÕ¾ÖÐת£®
£¨3£©Éè¡ÏOBC=¦È£¬Í¸Ã÷ÎïÌåµÄÕÛÉäÂÊΪn£¬
Ôòsin¦È=
=0.6sin¦È=
n=
C¡¢£¨1£©A¡¢Í¨¹ýÑо¿½ðÊôµÄ¶ôÖ¹µçѹÓëÈëÉä¹âƵÂʵĹØϵ£¬Ö¤Ã÷°®Òò˹̹·½³Ì¹âµçЧӦ·½³ÌµÄÕýÈ·ÐÔ£¬Õâ¾ä»°ÕýÈ·£¬µ«ÊÇÕâÖ¤Ã÷Á˹âµÄ²¨¶¯ÐÔ£¬¹ÊAÕýÈ·£»
B¡¢¿µÆÕ¶ÙЧӦʵÑéÖ¤Ã÷Á˹âµÄÁ£×ÓÐÔ£¬¹ÊB´íÎó£»
C¡¢¸ÉÉæ¡¢ÑÜÉäÏÖÏóÊǹâÌØÓеÄÏÖÏó£¬Òò´ËË«·ì¸ÉÉæÒÔ¼°ÑÜÉäÏÖÏó¾ù˵Ã÷Á˹âµÄ²¨¶¯ÐÔ£¬¹ÊCDÕýÈ·£»
¹ÊÑ¡CD£®
£¨2£©·¢Éä¹âµÄƵÂÊÌõÊýΪ£ºN=
=6ÖÖ£¬ÕâÁùÖÖ¹âÖУ¬ÄÜÁ¿×î´óµÄΪ´ÓµÚ4Äܼ¶Ô¾Ç¨µ½µÚ1Äܼ¶µÄ¹â×Ó£¬ÆäÄÜÁ¿ÎªE=E1-E2=12.75eV£¬Òò´Ë¸Ã½ðÊôµÄÒݳö¹¦Ð¡ÓÚ12.75eV²ÅÄÜ·¢Éú¹âµçЧӦ£®
£¨3£©ÉèÖÐ×ÓµÄËÙ¶ÈΪv£¬Óɶ¯Á¿Êغ㶨Âɵãº
m1v1-m2v2=m3v3+m4v
½âµÃ£ºv=
¹Ê´ð°¸Îª£ºA£¨Ñ¡ÐÞÄ£¿é3-3£©
£¨1£©BD
£¨2£©Ôö´ó£¬´óÓÚ
£¨3£©¶þÑõ»¯Ì¼ÆøÌå±ä³É¹ÌÌåºóÌå»ýΪ
B¡¢£¨1£©AB
£¨2£©0.17£¬µ÷ÖÆ
£¨3£©°ëÔ²ÖùÐÎ͸Ã÷ÎïÌåµÄÕÛÉäÂÊΪÊÇ
C£¨Ñ¡ÐÞÄ£¿é3-5£©
£¨1£©CD£¨2£©6£¬12.75
£¨3£©ÖÐ×Ó
nµÄËÙ¶ÈÊÇ
B¡¢Î¶Ȳ»±ä£¬ËùÒÔÆøÌåµÄÆøÌå·Ö×ÓµÄƽ¾ù¶¯Äܲ»±ä£¬ÄÚÄܲ»±ä£¬¹ÊBÕýÈ·£¬
¶ÔÓÚÈÈÁ¦Ñ§µÚÒ»¶¨ÂÉ¡÷U=W+Q£¬ËùÒÔ·â±ÕÆøÌåÏòÍâ½ç´«µÝÈÈÁ¿£¬¹ÊC´íÎó£®
D¡¢·â±ÕÆøÌå×é³ÉµÄϵͳµÄìؼõС£¬¹ÊDÕýÈ·£®
¹ÊÑ¡BD£®
£¨2£©ÈÝÆ÷ÖеĶþÑõ»¯Ì¼´¦ÓÚÆûҺƽºâ״̬ʱ£¬Ìå»ý²»±ä£¬Ñ¹Ç¿ËæζȵÄÔö´ó¶øÔö´ó£¬ÔÚ¶þÑõ»¯Ì¼ÒºÌå±íÃ棬Æä·Ö×Ó¼äµÄÒýÁ¦´óÓÚ³âÁ¦£®
£¨3£©¶þÑõ»¯Ì¼ÆøÌåµÄĦ¶ûÊýn=
¦ÑV |
M |
±ä³É¹ÌÌåºóµÄÌå»ýV¡ä=nNVÇò=
¦Ð¦ÑVND3 |
6M |
B¡¢£¨1£©A¡¢Ê±¼äºÍ¿Õ¼äµÄÏà¶ÔÐÔÓëÎïÖʵÄÔ˶¯ËÙ¶ÈÓйأ¬¹ÊAÕýÈ·£¬
B¡¢Óü¤¹â¶ÁÈ¡¹âÅÌÉϼǼµÄÐÅÏ¢ÊÇÀûÓü¤¹âƽÐжȺõÄÌص㣬¹ÊBÕýÈ·£®
C¡¢Ò»Áв¨ÔÚÏòÇ°´«²¥£¬µ±²¨Ô´Í»È»Í£Ö¹Õñ¶¯Ê±£¬ÆäËûÖʵã¼ÌÐøÕñ¶¯£¬¹ÊC´íÎó£®
D¡¢µ¥°ÚµÄÖÜÆÚ¹«Ê½T=2¦Ð
|
¹ÊÑ¡AB£®
£¨2£©Ä³Òƶ¯ÔËÓªÉ̲ÉÓÃ1.8x109HZµÄµç´Å²¨´«µÝÐźţ¬´Ëµç´Å²¨ÔÚÕæ¿ÕÖеIJ¨³¤¦Ë=
C |
f |
ÔÚͨ»°Ê±£¬ÊÖ»ú½«ÉùÒôÐźÅת±ä³ÉµçÐźţ¬ÔÙ¾¹ýµ÷Öƺ󣬰ÑÐźŷ¢Ë͵½»ùÕ¾ÖÐת£®
£¨3£©Éè¡ÏOBC=¦È£¬Í¸Ã÷ÎïÌåµÄÕÛÉäÂÊΪn£¬
Ôòsin¦È=
OC |
R |
1 |
n |
n=
5 |
3 |
C¡¢£¨1£©A¡¢Í¨¹ýÑо¿½ðÊôµÄ¶ôÖ¹µçѹÓëÈëÉä¹âƵÂʵĹØϵ£¬Ö¤Ã÷°®Òò˹̹·½³Ì¹âµçЧӦ·½³ÌµÄÕýÈ·ÐÔ£¬Õâ¾ä»°ÕýÈ·£¬µ«ÊÇÕâÖ¤Ã÷Á˹âµÄ²¨¶¯ÐÔ£¬¹ÊAÕýÈ·£»
B¡¢¿µÆÕ¶ÙЧӦʵÑéÖ¤Ã÷Á˹âµÄÁ£×ÓÐÔ£¬¹ÊB´íÎó£»
C¡¢¸ÉÉæ¡¢ÑÜÉäÏÖÏóÊǹâÌØÓеÄÏÖÏó£¬Òò´ËË«·ì¸ÉÉæÒÔ¼°ÑÜÉäÏÖÏó¾ù˵Ã÷Á˹âµÄ²¨¶¯ÐÔ£¬¹ÊCDÕýÈ·£»
¹ÊÑ¡CD£®
£¨2£©·¢Éä¹âµÄƵÂÊÌõÊýΪ£ºN=
n(n-1) |
2 |
£¨3£©ÉèÖÐ×ÓµÄËÙ¶ÈΪv£¬Óɶ¯Á¿Êغ㶨Âɵãº
m1v1-m2v2=m3v3+m4v
½âµÃ£ºv=
m1v1-m2v2-m3v3 |
m4 |
¹Ê´ð°¸Îª£ºA£¨Ñ¡ÐÞÄ£¿é3-3£©
£¨1£©BD
£¨2£©Ôö´ó£¬´óÓÚ
£¨3£©¶þÑõ»¯Ì¼ÆøÌå±ä³É¹ÌÌåºóÌå»ýΪ
¦Ð¦ÑVND3 |
6M |
B¡¢£¨1£©AB
£¨2£©0.17£¬µ÷ÖÆ
£¨3£©°ëÔ²ÖùÐÎ͸Ã÷ÎïÌåµÄÕÛÉäÂÊΪÊÇ
5 |
3 |
C£¨Ñ¡ÐÞÄ£¿é3-5£©
£¨1£©CD£¨2£©6£¬12.75
£¨3£©ÖÐ×Ó
10 |
m1v1-m2v2-m3v3 |
m4 |
Á·Ï°²áϵÁдð°¸
Ïà¹ØÌâÄ¿