·ÖÎö £¨1£©»³öÁ£×ÓµÄÔ˶¯¹ì¼££¬¸ù¾Ý¼¸ºÎ¹ØϵÇó³öÁ£×ÓÔÚ¢ñÇøÓò×öÔÈËÙÔ²ÖÜÔ˶¯µÄ°ë¾¶£¬ÔÙ¸ù¾ÝÂåÂ××ÈÁ¦ÌṩÏòÐÄÁ¦ÁÐʽÇó½â£»
£¨2£©Á£×ÓÔڵ糡ÖÐ×öÀàƽÅ×Ô˶¯£¬Ë®Æ½·½Ïò×öÔÈËÙÖ±ÏßÔ˶¯£¬ÊúÆð·½Ïò×öÔȼÓËÙÖ±ÏßÔ˶¯£¬·Ö±ð¶ÔÁ½¸ö·½ÏòÔËÓÃλÒÆʱ¼ä¹«Ê½ÁÐʽ£¬ÓÉͼÖм¸ºÎ¹ØϵÇó³öÁ£×ÓÔÚ¢òÇøÓò×öÔÈËÙÔ²ÖÜÔ˶¯µÄ°ë¾¶£¬´Ó¶øÇó³öҪʵÏÖÌâÊöÑ»·£¬¢òÇøÓòµÄ´Å³¡¿í¶ÈsÓ¦Âú×ãµÄÌõ¼þ¼°´Å³¡µÄ´Å¸ÐӦǿ¶È${B}_{2}^{\;}$£»
£¨3£©·Ö¶ÎÇó³öÁ£×ÓÔڴų¡ºÍµç³¡ÖÐÔ˶¯µÄʱ¼ä£¬ÔÙÇó½â×Üʱ¼ä¼´¿É£®
½â´ð ½â£º£¨1£©Á£×ÓÔÚ¢ñÇøÔÈËÙÔ²ÖÜÔ˶¯µÄ°ë¾¶ÎªR=L£¬¸ù¾ÝÅ£¶ÙµÚ¶þ¶¨ÂÉÓÐ$q{v}_{0}^{\;}B=m\frac{{v}_{0}^{2}}{R}$
½âµÃ£º$R=\frac{m{v}_{0}^{\;}}{q{B}_{1}^{\;}}$
ÁªÁ¢½âµÃ£º${B}_{1}^{\;}=\frac{m{v}_{0}^{\;}}{qL}$
£¨2£©Á£×ÓÔڵ糡ÖÐ×öÀàƽÅ×Ô˶¯£¬ÉèÀ뿪µç³¡Ê±Ñص糡·½ÏòµÄËÙ¶ÈΪ${v}_{y}^{\;}$£º
${v}_{y}^{\;}=at=\frac{q{E}_{0}^{\;}}{m}¡Á\frac{L}{{v}_{0}^{\;}}=\frac{4{v}_{0}^{\;}}{3}$
À뿪µç³¡Ê±ËÙ¶ÈÓëˮƽ·½ÏòµÄ¼Ð½ÇΪ¦È£¬ÔòÓÐ
$tan¦È=\frac{{v}_{y}^{\;}}{{v}_{0}^{\;}}=\frac{4}{3}$£¬µÃ¦È=53¡ã
Á£×ÓÀ뿪µç³¡Ê±µÄËÙ¶ÈΪ$v=\frac{{v}_{0}^{\;}}{cos53¡ã}=\frac{5{v}_{0}^{\;}}{3}$
»³öÁ£×ÓÔ˶¯¹ì¼£µÄʾÒâͼÈçͼËùʾ£¬
Á£×ÓÔÚ¢òÇøÓò×öÔÈËÙÔ²ÖÜÔ˶¯µÄÔ²ÐÄΪ${O}_{2}^{\;}$ÓëÔÚ¢ñÇøÓò×öÔÈËÙÔ²ÖÜÔ˶¯µÄÔ²ÐÄ${O}_{1}^{\;}$µÄÁ¬Ïß±ØÐëÓë±ß½ç´¹Ö±²ÅÄÜÍê³ÉÉÏÊöÔ˶¯£¬Óɼ¸ºÎ¹Øϵ֪Á£×ÓÔÚ¢òÇøÓò×öÔÈËÙÔ²ÖÜÔ˶¯µÄ°ë¾¶Îª
$R¡ä=\frac{L-\frac{2L}{3}}{cos53¡ã}=\frac{5}{9}L$
ËùÒÔ$s¡ÝR¡ä£¨1-sin53¡ã£©=\frac{1}{9}L$
$R¡ä=\frac{mv}{q{B}_{2}^{\;}}$
½âµÃ${B}_{2}^{\;}=\frac{3m{v}_{0}^{\;}}{qL}$
£¨3£©µç³¡±ä»¯µÄÖÜÆÚµÈÓÚÁ£×ÓÔ˶¯µÄÖÜÆÚ
Á£×ÓÔÚ¢ñÇøÓòÔ˶¯µÄʱ¼äΪ${t}_{1}^{\;}=\frac{{T}_{1}^{\;}}{2}=\frac{¦Ðm}{q{B}_{1}^{\;}}=\frac{¦ÐL}{{v}_{0}^{\;}}$
Á£×ÓÔڵ糡ÖÐÔ˶¯µÄʱ¼äΪ£º${t}_{2}^{\;}=\frac{2L}{{v}_{0}^{\;}}$
Á£×ÓÔÚ¢òÇøÓò×öÔ²ÖÜÔ˶¯µÄʱ¼äΪ£º${t}_{3}^{\;}=\frac{37}{180}¡Á\frac{2¦Ðr}{v}=\frac{37¦ÐL}{270{v}_{0}^{\;}}$
ËùÒÔÖÜÆÚΪ£º$T={t}_{1}^{\;}+{t}_{2}^{\;}+{t}_{3}^{\;}=\frac{307¦Ð+540}{270{v}_{0}^{\;}}L$
´ð£º£¨1£©¢ñÇøÓòµÄ´Å³¡µÄ´Å¸ÐӦǿ¶È${B}_{1}^{\;}$Ϊ$\frac{m{v}_{0}^{\;}}{qL}$£»
£¨2£©ÈôE0=$\frac{4m{{v}_{0}}^{2}}{3qL}$£¬ÒªÊµÏÖÉÏÊöÑ»·£¬È·¶¨¢òÇøÓòµÄ´Å³¡¿í¶ÈSµÄ×îСֵ$\frac{1}{9}L$ÒÔ¼°´Å³¡µÄ´Å¸ÐӦǿ¶È${B}_{2}^{\;}$Ϊ$\frac{3m{v}_{0}^{\;}}{qL}$£»
£¨3£©ÈôE0=$\frac{4m{{v}_{0}}^{2}}{3qL}$£¬ÒªÊµÏÖÉÏÊöÑ»·£¬µç³¡µÄ±ä»¯ÖÜÆÚTΪ$\frac{307¦Ð+540}{270{v}_{0}^{\;}}L$£®
µãÆÀ ±¾Ì⿼²éÁËÁ£×ÓÔڵ糡ÖеÄÀàƽÅ×Ô˶¯ºÍÔڴų¡ÖеÄÔÈËÙÔ²ÖÜÔ˶¯£¬¹Ø¼üÊÇ»³öÔ˶¯¹ì¼££¬Ñ¡ÔñºÏÊʵĹæÂɽâÌ⣮
Ä꼶 | ¸ßÖÐ¿Î³Ì | Ä꼶 | ³õÖÐ¿Î³Ì |
¸ßÒ» | ¸ßÒ»Ãâ·Ñ¿Î³ÌÍƼö£¡ | ³õÒ» | ³õÒ»Ãâ·Ñ¿Î³ÌÍƼö£¡ |
¸ß¶þ | ¸ß¶þÃâ·Ñ¿Î³ÌÍƼö£¡ | ³õ¶þ | ³õ¶þÃâ·Ñ¿Î³ÌÍƼö£¡ |
¸ßÈý | ¸ßÈýÃâ·Ñ¿Î³ÌÍƼö£¡ | ³õÈý | ³õÈýÃâ·Ñ¿Î³ÌÍƼö£¡ |
¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º ÌâÐÍ£º½â´ðÌâ
²é¿´´ð°¸ºÍ½âÎö>>
¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º ÌâÐÍ£º¼ÆËãÌâ
²é¿´´ð°¸ºÍ½âÎö>>
¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º ÌâÐÍ£º¶àÑ¡Ìâ
A£® | º¤Àë×Ó£¨He+£©´Ón=4Äܼ¶Ô¾Ç¨µ½n=3Äܼ¶±È´Ón=3Äܼ¶Ô¾Ç¨µ½n=2Äܼ¶·øÉä³ö¹â×ÓµÄƵÂÊµÍ | |
B£® | ´óÁ¿´¦ÔÚn=3Äܼ¶µÄº¤Àë×Ó£¨He+£©ÏòµÍÄܼ¶Ô¾Ç¨£¬Ö»ÄÜ·¢³ö2ÖÖ²»Í¬ÆµÂʵĹâ×Ó | |
C£® | º¤Àë×Ó£¨He+£©´¦ÓÚn=1Äܼ¶Ê±£¬ÄÜÎüÊÕ45eVµÄÄÜÁ¿ºóԾǨµ½n=2Äܼ¶£¬¶àÓàµÄÄÜÁ¿ÒÔ¹â×ÓÐÎʽ·Å³ö | |
D£® | º¤Àë×Ó£¨He+£©´Ón=4Äܼ¶Ô¾Ç¨µ½n=3Äܼ¶Ê±·øÉä³öµÄ¹â×ÓÄÜʹÒݳö¹¦Îª2.55eVµÄ½ðÊô·¢Éú¹âµçЧӦ | |
E£® | º¤Àë×Ó£¨He+£©´¦ÓÚn=1Äܼ¶Ê±£¬ÄÜÎüÊÕ55eVµÄÄÜÁ¿ |
²é¿´´ð°¸ºÍ½âÎö>>
¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º ÌâÐÍ£ºÌî¿ÕÌâ
²é¿´´ð°¸ºÍ½âÎö>>
¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º ÌâÐÍ£ºÑ¡ÔñÌâ
A£® | ¹¦²»½öÓдóС£¬¶øÇÒÓз½Ïò | |
B£® | ×öÔÈËÙÔ²ÖÜÔ˶¯ÎïÌåµÄÏòÐÄÁ¦²»×ö¹¦ | |
C£® | ÈκÎÇé¿öÏ£¬¹¦¶¼µÈÓÚÁ¦ºÍλÒƵij˻ý | |
D£® | ÖØÁ¦ÊÆÄÜÊDZêÁ¿£¬²»¿ÉÄÜÓиºÖµ |
²é¿´´ð°¸ºÍ½âÎö>>
¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º ÌâÐÍ£ºÑ¡ÔñÌâ
A£® | ÈçͼÖй켣1Ëùʾ | B£® | ÈçͼÖй켣2Ëùʾ | ||
C£® | ÈçͼÖй켣3Ëùʾ | D£® | ´¹Ö±Ö½ÃæÏòÀïÔ˶¯ |
²é¿´´ð°¸ºÍ½âÎö>>
¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º ÌâÐÍ£ºÑ¡ÔñÌâ
A£® | a¼õС£¬TÔö´ó£¬r¼õС | B£® | a¼õС£¬T¼õС£¬r¼õС | ||
C£® | a¼õС£¬TÔö´ó£¬rÔö´ó | D£® | aÔö´ó£¬T¼õС£¬rÔö´ó |
²é¿´´ð°¸ºÍ½âÎö>>
¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º ÌâÐÍ£º¼ÆËãÌâ
²é¿´´ð°¸ºÍ½âÎö>>
°Ù¶ÈÖÂÐÅ - Á·Ï°²áÁбí - ÊÔÌâÁбí
ºþ±±Ê¡»¥ÁªÍøÎ¥·¨ºÍ²»Á¼ÐÅÏ¢¾Ù±¨Æ½Ì¨ | ÍøÉÏÓк¦ÐÅÏ¢¾Ù±¨×¨Çø | µçÐÅթƾٱ¨×¨Çø | ÉæÀúÊ·ÐéÎÞÖ÷ÒåÓк¦ÐÅÏ¢¾Ù±¨×¨Çø | ÉæÆóÇÖȨ¾Ù±¨×¨Çø
Î¥·¨ºÍ²»Á¼ÐÅÏ¢¾Ù±¨µç»°£º027-86699610 ¾Ù±¨ÓÊÏ䣺58377363@163.com