¿Í³µµ×ÅÌÀëºÏÆ÷µÄÉè¼ÆÐ£ºË ÏÂÔØ±¾ÎÄ

°Ñ±í1ÖеÄÓйØÊý¾Ý´úÈëÉÏʽÖмÆËã¿ÉµÃ£º

W¢ñ=8115.35£¨J£©£¨IµµÆð²½£©£¬W¢ò=23975.71£¨J£©£¨¢òµµÆð²½£© µ¥Î»Ãæ»ý»¬Ä¥¹¦Îª£º

¦Ø1=W¢ñ/£¨n¡ÁA£©=4.735£¨J/cm2£©£¨¢ñµµÆð²½£© ¦Ø2=W¢ò/£¨n¡ÁA£©=13.989£¨J/cm2£©£¨¢òµµÆð²½£© ʽÖÐAΪ´Ó¶¯Å̵¥ÃæÄ¦²ÁÃæµÄÃæ»ý?

¸ù¾Ý¡¶Ä¤Æ¬µ¯»ÉÓëµúÐε¯»ÉÀëºÏÆ÷µÄÉè¼ÆÓëÖÆÔì¡·ÖÐÍÆ¼öµÄÐíÓõ¥Î»Ãæ»ý»¬Ä¥¹¦£º[¦Ø]¡Ü25¡«33£¨J/cm2£©£¬¿ÉÖª¸ÃÀëºÏÆ÷µ¥Î»Ãæ»ý»¬Ä¥¹¦·ûºÏʹÓÃÒªÇó? 3.3µ¥Î»ÃæÑ¹ºÍ×î´óÔ²ÖÜËٶȵÄÉè¼ÆÐ£ºË

1£©µ¥Î»ÃæÑ¹µÄÉè¼ÆÐ£ºË?¸ù¾ÝÉè¼Æ¾­ÑéºÍÆóÒµÓйرê×¼£¬´Ó¶¯ÅÌÉϵÄĦ²ÁƬµ¥Î»Ãæ»ý³ÐÊܵÄÐíÓÃѹÁ¦[¦Ñf ]£¬¶ÔÓÚÖÐÐͿͳµÓ¦Îª£º2.03<[¦Ñf]<3.26£» ¦Ñf=Fe/A

¶ÔÓÚ¸ÃÀëºÏÆ÷´Ó¶¯ÅÌ£¬½«Ç°ÃæµÄÊý¾Ý´úÈë¸ÃʽÖУ¬¼ÆËã¿ÉµÃ£º ¦Ñf max=Fe max/A=2.75·ûºÏÒªÇó?

2£©×î´óÔ²ÖÜËٶȵÄÉè¼ÆÐ£ºË?¸ù¾ÝĦ²ÁƬ²ÄÁÏÉú²úÆóÒµµÄ±ê×¼¼°Ïà¹Ø¾­Ñ飬¶ÔÓÚÊÊÓÃÓÚ´óÐͿͳµµÄĦ²ÁƬµÄ×î´óÔ²ÖÜËÙ¶È[V]¾¡Á¿²»³¬¹ý70¡«75m/s? ÓÉV=ne max¡Á¦ÐD1/60

ʽÖÐnemaxΪ·¢¶¯»úµÄ×î¸ßתËÙ£¬µÈÓÚ2400r/min? ¼ÆËã¿ÉµÃ£º

V=52.75m/s<65¡«70m/s?

3.4Æû³µÆð²½Ñ¹ÅÌÎÂÉýµÄÉè¼ÆÐ£ºË

µ±Æû³µÆð²½Ê±£¬ÀëºÏÆ÷ѹÅÌÓë´Ó¶¯ÅÌÖ®¼äÏà¶Ô»¬¶¯²úÉúÈÈÁ¿£¬²¢ÓÉѹÅÌÎüÊÕ£¬Òò´ËӦУºËÀëºÏÆ÷ÿ´Î½áºÏʱѹÅ̵ÄÎÂÉý¦¤t£¬Òª·ûºÏ¹ú¼Ò¹æ¶¨µÄ±ê×¼£ºÃ¿´Î½ÓºÏʱ£¬Ñ¹Å̵ÄÐíÓÃÎÂÉý[¦¤t]¡Ü10¡æ?

¸ù¾Ý¡¶Ä¤Æ¬µ¯»ÉÓëµúÐε¯»ÉÀëºÏÆ÷µÄÉè¼ÆÓëÖÆÔì¡·£¬Ñ¹ÅÌÆð²½ÎÂÉýΪ£º ¦¤t=¦ÃW/£¨mc£©

ʽÖУº¦ÃΪ´«¸øËùУºËѹÅ̵ÄÈÈÁ¿±ÈÀý£¬µ¥Æ¬Ê½¦Ã=0.5£»WΪ»¬Ä¥¹¦£»mΪËùУºËѹÅ̵ÄÖÊÁ¿£¬¸ÃѹÅÌΪ16.7kg£»cΪѹÅ̲ÄÁϵıÈÈÈ£¬ÖýÌúΪ544£¨J/£¨kg¡¤¡æ£©£©?

½«Ç°Ãæ¼ÆËãµÄ»¬Ä¥¹¦µÈ²ÎÊý´úÈëÉÏʽÖУ¬¿ÉÇóµÃ£º ¦¤t1=0.45¡æ¨¹10¡æ£¨¢ñµµÆð²½£© ¦¤t2=1.32¡æ¨¹10¡æ£¨¢òµµÆð²½£©

Òò´Ë£¬´ËÀëºÏÆ÷ѹÅÌÔÚ¢ñ?¢òµµÆð²½Ê±µÄÎÂÉý·ûºÏÒªÇó?