ÓÒÏÂͼΪһÕæ¿Õʾ²¨¹ÜµÄʾÒâͼ£¬µç×Ó´ÓµÆË¿K·¢³ö£¨³õËٶȿɺöÂÔ²»¼Æ£©£¬¾µÆË¿ÓëA°å¼äµÄµçѹU1¼ÓËÙ£¬´ÓA°åÖÐÐÄ¿×ÑØÖÐÐÄÏßKOÉä³ö£¬È»ºó½øÈëÁ½¿éƽÐнðÊô°åM¡¢NÐγɵÄƫתµç³¡ÖУ¨Æ«×ªµç³¡¿ÉÊÓΪÔÈÇ¿µç³¡£©£¬µç×Ó½øÈëM¡¢N¼äµç³¡Ê±µÄËÙ¶ÈÓëµç³¡·½Ïò´¹Ö±£¬µç×Ó¾¹ýµç³¡ºó´òÔÚÓ«¹âÆÁÉϵÄPµã¡£ ÒÑÖªM¡¢NÁ½°å¼äµÄµçѹΪU2£¬Á½°å¼äµÄ¾àÀëΪd£¬°å³¤ÎªL£¬µç×ÓµÄÖÊÁ¿Îªm£¬µçºÉÁ¿Îªe£¬²»¼Æµç×ÓÊܵ½µÄÖØÁ¦¼°ËüÃÇÖ®¼äµÄÏ໥×÷ÓÃÁ¦¡£
£¨1£©Çóµç×Ó´©¹ýA°åʱËٶȵĴóС£»
£¨2£©Çóµç×Ó´Óƫתµç³¡Éä³öʱµÄ²àÒÆÁ¿£»
£¨3£©ÈôҪʹµç×Ó´òÔÚÓ«¹âÆÁÉÏPµãµÄÉÏ·½£¬¿É²ÉÈ¡ÄÄЩ´ëÊ©£¿
£¨1£©£»£¨2£©y=£»£¨3£©¼õС¼ÓËÙµçѹU1£»Ôö´óƫתµçѹU2£»
£¨1£©Éèµç×Ó¾µçѹU1¼ÓËÙºóµÄËÙ¶ÈΪv0£¬Óɶ¯Äܶ¨Àí
e U1=£0¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡£¨2·Ö£©
½âµÃ ¡¡¡¡¡¡¡¡¡¡¡¡..¡¡¡£¨1·Ö£©
£¨2£©µç×ÓÒÔËÙ¶Èv0½øÈëƫתµç³¡ºó£¬´¹Ö±Óڵ糡·½Ïò×öÔÈËÙÖ±ÏßÔ˶¯£¬Ñص糡·½Ïò×ö³õËÙ¶ÈΪÁãµÄÔȼÓËÙÖ±ÏßÔ˶¯¡£Éèƫתµç³¡µÄµç³¡Ç¿¶ÈΪE£¬µç×ÓÔÚƫתµç³¡ÖÐÔ˶¯µÄʱ¼äΪt£¬¼ÓËÙ¶ÈΪa£¬µç×ÓÀ뿪ƫתµç³¡Ê±µÄ²àÒÆÁ¿Îªy¡£ÓÉÅ£¶ÙµÚ¶þ¶¨ÂɺÍÔ˶¯Ñ§¹«Ê½
t=¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡..¡¡¡.£¨1·Ö£©
F=ma F=eE E=
a =¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡£¨2·Ö£©
y=¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡£¨1·Ö£©
½âµÃ y=¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡£¨1·Ö£©
£¨3£©¼õС¼ÓËÙµçѹU1£»Ôö´óƫתµçѹU2£»¡¡
£¨±¾ÌâµÄ´ð°¸²»Î¨Ò»£¬Ö»Òª´ëÊ©ºÏÀí£¬´ð³öÒ»Ïî¿ÉµÃ1·Ö£¬´ð³öÁ½Ïî¼°ÒÔÉϿɵÃ2·Ö¡££©
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£¡ |
°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