ijͬѧÉè¼ÆÁËÒ»¸öÓôòµã¼ÆʱÆ÷×ö¡°Ì½¾¿ÅöײÖеIJ»±äÁ¿¡±µÄʵÑ飺ÔÚС³µAµÄÇ°¶ËÕ³ÓÐÏðƤÄ࣬Íƶ¯Ð¡³µAʹ֮×öÔÈËÙÔ˶¯£¬È»ºóÓëÔÀ´¾²Ö¹ÔÚÇ°·½µÄС³µBÏàÅö²¢Õ³ºÏ³ÉÒ»Ì壬¼ÌÐø×öÔÈËÙÔ˶¯£®ËûÉè¼ÆµÄ¾ßÌå×°ÖÃÈçÏÂͼËùʾ£¬ÔÚС³µAºóÁ¬×ÅÖ½´ø£¬µç´Å´òµã¼ÆʱÆ÷µçԴƵÂÊΪ50 Hz£¬³¤Ä¾°åϵæ×ÅСľƬÓÃÒÔƽºâĦ²ÁÁ¦¡£
£¨1£©ÈôʵÑéÒѵõ½µÄ´òµãÖ½´øÈçÏÂͼËùʾ£¬²¢²âµÃ¸÷¼ÆÊýµã¼ä¾à£¨±êÔÚͼÉÏ£©£¬ÔòÓ¦¸ÃÑ¡ ¶ÎÀ´¼ÆËãAµÄÅöײǰËٶȣ»Ó¦Ñ¡ À´¼ÆËãAºÍBÅöºóµÄ¹²Í¬Ëٶȣ¨Ìî¡°AB¡±¡¢¡°BC¡±¡¢¡°CD¡±»ò¡°DE¡±£©¡£
£¨2£©ÒѲâµÃС³µAµÄÖÊÁ¿mA="0.40" kg£¬Ð¡³µBµÄÖÊÁ¿mB="0.20" kg¡£ÓÉÒÔÉϲâÁ¿½á¹û¿ÉµÃ£ºÅöÇ°£ºmAv0= kg¡¤m£¯s£»Åöºó£º(mA+mB)v¹²= kg¡¤m£¯s¡£
Óɴ˵óö½áÂÛÊÇ ¡££¨±¾Ìâ¼ÆËã½á¹û¾ù±£ÁôÈýλÓÐЧÊý×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£¡ |
¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º ÌâÐÍ£º
²é¿´´ð°¸ºÍ½âÎö>>
¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º ÌâÐÍ£º
£¨1£©£¨8·Ö£©ÔÚ×ö¡±ÓÃÓÍĤ·¨¹À²â·Ö×Ó´óС¡±µÄʵÑéʱ,ÔÚʵÑéÖвâµÃn¸öÓ͵εÄÌå»ýΪV£¬Ôòÿ¸öÓ͵εÄÌå»ýΪ £¬½«Ò»¸öÓ͵εÎÔÚË®ÃæÉÏ£¬ÐγɵÄÓÍĤµÄ½üËÆÂÖÀªÈçͼËùʾ,ͼÖÐÕý·½ÐÎС·½¸ñµÄ±ß³¤Îªl,ÔòÓÍĤµÄÃæ»ýÊÇ___________¡£¸ù¾ÝÉÏÊöÊý¾Ý,¹À²â³öÓÍ·Ö×ÓµÄÖ±¾¶ÊÇ________________¡£ÓÃÕâÖÖ·½Ê½¹À²â³öµÄ½á¹û£¬Æä·Ö×ÓÖ±¾¶µÄÊýÁ¿¼¶Ô¼Îª m¡£
£¨2£©(8·Ö) ijͬѧÉè¼ÆÁËÒ»¸öÓôòµã¼ÆʱÆ÷ÑéÖ¤¶¯Á¿Êغ㶨ÂɵÄʵÑ飺½«´òµã¼ÆʱÆ÷¹Ì¶¨Ôڹ⻬µÄ³¤Ä¾°åµÄÒ»¶Ë£¬°ÑÖ½´ø´©¹ý´òµã¼ÆʱÆ÷£¬Á¬ÔÚС³µAµÄºóÃæ¡£ÈÃС³µ£ÁÔ˶¯£¬Ð¡³µ£Â¾²Ö¹¡£ÔÚÁ½Ð¡³µµÄÅöײ¶Ë·Ö±ð×°ÉÏײÕëºÍÏðƤÄ࣬Èçͼ¼×£¬ÅöײʱײÕë²åÈëÏðƤÄà°ÑÁ½Ð¡³µÕ³ºÏ³ÉÒ»Ìå¡£ËûÔÚ°²×°ºÃʵÑé×°Öúó£¬ÏȽÓͨµçÔ´È»ºóÇáÍÆС³µ£Á£¬Ê¹£Á»ñµÃÒ»¶¨µÄËٶȣ¬µç´Å´òµã¼ÆʱÆ÷ÔÚÖ½´øÉÏ´òÏÂһϵÁеĵ㣬ÒÑÖªµçԴƵÂÊΪ50Hz¡£
¢ÙʵÑéÖдò³öµÄÖ½´øÈçͼÒÒËùʾ£¬²¢²âµÃ¸÷¼ÆÊýµã¼ä¾à±êÔÚͼÉÏ£¬ÔòӦѡ¡¡¡¡¡¡¡¡ ¶Î¼ÆËãAµÄÅöÇ°Ëٶȣ»Ó¦Ñ¡¡¡¡¡¡¡ ¶Î¼ÆËãAºÍBÅöºóµÄ¹²Í¬Ëٶȣ¨ÌîBC¡¢CD»òDE£©¡£
¢ÚÒѲâµÃС³µAµÄÖÊÁ¿m1=0.20kg£¬Ð¡³µBµÄÖÊÁ¿m2=0.10kg£¬ÓÉÒÔÉϲâÁ¿½á¹û¿ÉµÃ£º
ÅöÇ°×ܶ¯Á¿=¡¡¡¡¡¡¡¡ kg¡¤m/s £»Åöºó×ܶ¯Á¿=¡¡¡¡¡¡¡¡ kg¡¤m/s¡££¨¼ÆËã½á¹û¾ù±£ÁôÈýλÓÐЧÊý×Ö£©
²é¿´´ð°¸ºÍ½âÎö>>
¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º2010Äê¹ã¶«Ê¡¶«Ý¸Êи߶þµÚ¶þѧÆÚÆÚÄ©¿¼ÊÔÎïÀíA¾í ÌâÐÍ£ºÊµÑéÌâ
£¨1£©£¨8·Ö£©ÔÚ×ö¡±ÓÃÓÍĤ·¨¹À²â·Ö×Ó´óС¡±µÄʵÑéʱ,ÔÚʵÑéÖвâµÃn¸öÓ͵εÄÌå»ýΪV£¬Ôòÿ¸öÓ͵εÄÌå»ýΪ £¬½«Ò»¸öÓ͵εÎÔÚË®ÃæÉÏ£¬ÐγɵÄÓÍĤµÄ½üËÆÂÖÀªÈçͼËùʾ,ͼÖÐÕý·½ÐÎС·½¸ñµÄ±ß³¤Îªl,ÔòÓÍĤµÄÃæ»ýÊÇ___________¡£¸ù¾ÝÉÏÊöÊý¾Ý,¹À²â³öÓÍ·Ö×ÓµÄÖ±¾¶ÊÇ________________¡£ÓÃÕâÖÖ·½Ê½¹À²â³öµÄ½á¹û£¬Æä·Ö×ÓÖ±¾¶µÄÊýÁ¿¼¶Ô¼Îª m¡£
£¨2£©(8·Ö) ijͬѧÉè¼ÆÁËÒ»¸öÓôòµã¼ÆʱÆ÷ÑéÖ¤¶¯Á¿Êغ㶨ÂɵÄʵÑ飺½«´òµã¼ÆʱÆ÷¹Ì¶¨Ôڹ⻬µÄ³¤Ä¾°åµÄÒ»¶Ë£¬°ÑÖ½´ø´©¹ý´òµã¼ÆʱÆ÷£¬Á¬ÔÚС³µAµÄºóÃæ¡£ÈÃС³µ£ÁÔ˶¯£¬Ð¡³µ£Â¾²Ö¹¡£ÔÚÁ½Ð¡³µµÄÅöײ¶Ë·Ö±ð×°ÉÏײÕëºÍÏðƤÄ࣬Èçͼ¼×£¬ÅöײʱײÕë²åÈëÏðƤÄà°ÑÁ½Ð¡³µÕ³ºÏ³ÉÒ»Ìå¡£ËûÔÚ°²×°ºÃʵÑé×°Öúó£¬ÏȽÓͨµçÔ´È»ºóÇáÍÆС³µ£Á£¬Ê¹£Á»ñµÃÒ»¶¨µÄËٶȣ¬µç´Å´òµã¼ÆʱÆ÷ÔÚÖ½´øÉÏ´òÏÂһϵÁеĵ㣬ÒÑÖªµçԴƵÂÊΪ50Hz¡£
¢ÙʵÑéÖдò³öµÄÖ½´øÈçͼÒÒËùʾ£¬²¢²âµÃ¸÷¼ÆÊýµã¼ä¾à±êÔÚͼÉÏ£¬ÔòӦѡ¡¡¡¡¡¡¡¡ ¶Î¼ÆËãAµÄÅöÇ°Ëٶȣ»Ó¦Ñ¡¡¡¡¡¡¡ ¶Î¼ÆËãAºÍBÅöºóµÄ¹²Í¬Ëٶȣ¨ÌîBC¡¢CD»òDE£©¡£
¢ÚÒѲâµÃС³µAµÄÖÊÁ¿m1=0.20kg£¬Ð¡³µBµÄÖÊÁ¿m2=0.10kg£¬ÓÉÒÔÉϲâÁ¿½á¹û¿ÉµÃ£º[À´Ô´:ѧ¿ÆÍøZXXK]
ÅöÇ°×ܶ¯Á¿=¡¡¡¡¡¡¡¡ kg¡¤m/s£»Åöºó×ܶ¯Á¿=¡¡¡¡¡¡¡¡ kg¡¤m/s¡££¨¼ÆËã½á¹û¾ù±£ÁôÈýλÓÐЧÊý×Ö£©
²é¿´´ð°¸ºÍ½âÎö>>
¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º2010Äê¹ã¶«Ê¡¶«Ý¸Êи߶þµÚ¶þѧÆÚÆÚÄ©¿¼ÊÔÎïÀíA¾í ÌâÐÍ£ºÊµÑéÌâ
£¨1£©£¨8·Ö£©ÔÚ×ö¡±ÓÃÓÍĤ·¨¹À²â·Ö×Ó´óС¡±µÄʵÑéʱ,ÔÚʵÑéÖвâµÃn¸öÓ͵εÄÌå»ýΪV£¬Ôòÿ¸öÓ͵εÄÌå»ýΪ £¬½«Ò»¸öÓ͵εÎÔÚË®ÃæÉÏ£¬ÐγɵÄÓÍĤµÄ½üËÆÂÖÀªÈçͼËùʾ,ͼÖÐÕý·½ÐÎС·½¸ñµÄ±ß³¤Îªl,ÔòÓÍĤµÄÃæ»ýÊÇ___________¡£¸ù¾ÝÉÏÊöÊý¾Ý,¹À²â³öÓÍ·Ö×ÓµÄÖ±¾¶ÊÇ________________¡£ÓÃÕâÖÖ·½Ê½¹À²â³öµÄ½á¹û£¬Æä·Ö×ÓÖ±¾¶µÄÊýÁ¿¼¶Ô¼Îª m¡£
£¨2£©(8·Ö) ijͬѧÉè¼ÆÁËÒ»¸öÓôòµã¼ÆʱÆ÷ÑéÖ¤¶¯Á¿Êغ㶨ÂɵÄʵÑ飺½«´òµã¼ÆʱÆ÷¹Ì¶¨Ôڹ⻬µÄ³¤Ä¾°åµÄÒ»¶Ë£¬°ÑÖ½´ø´©¹ý´òµã¼ÆʱÆ÷£¬Á¬ÔÚС³µAµÄºóÃæ¡£ÈÃС³µ£ÁÔ˶¯£¬Ð¡³µ£Â¾²Ö¹¡£ÔÚÁ½Ð¡³µµÄÅöײ¶Ë·Ö±ð×°ÉÏײÕëºÍÏðƤÄ࣬Èçͼ¼×£¬ÅöײʱײÕë²åÈëÏðƤÄà°ÑÁ½Ð¡³µÕ³ºÏ³ÉÒ»Ìå¡£ËûÔÚ°²×°ºÃʵÑé×°Öúó£¬ÏȽÓͨµçÔ´È»ºóÇáÍÆС³µ£Á£¬Ê¹£Á»ñµÃÒ»¶¨µÄËٶȣ¬µç´Å´òµã¼ÆʱÆ÷ÔÚÖ½´øÉÏ´òÏÂһϵÁеĵ㣬ÒÑÖªµçԴƵÂÊΪ50Hz¡£
¢ÙʵÑéÖдò³öµÄÖ½´øÈçͼÒÒËùʾ£¬²¢²âµÃ¸÷¼ÆÊýµã¼ä¾à±êÔÚͼÉÏ£¬ÔòӦѡ¡¡¡¡¡¡¡¡ ¶Î¼ÆËãAµÄÅöÇ°Ëٶȣ»Ó¦Ñ¡¡¡¡¡¡¡ ¶Î¼ÆËãAºÍBÅöºóµÄ¹²Í¬Ëٶȣ¨ÌîBC¡¢CD»òDE£©¡£
¢ÚÒѲâµÃС³µAµÄÖÊÁ¿m1=0.20kg£¬Ð¡³µBµÄÖÊÁ¿m2=0.10kg£¬ÓÉÒÔÉϲâÁ¿½á¹û¿ÉµÃ£º[À´Ô´:ZXXK]
ÅöÇ°×ܶ¯Á¿=¡¡¡¡¡¡¡¡ kg¡¤m/s £»Åöºó×ܶ¯Á¿=¡¡¡¡¡¡¡¡ kg¡¤m/s¡££¨¼ÆËã½á¹û¾ù±£ÁôÈýλÓÐЧÊý×Ö£©
²é¿´´ð°¸ºÍ½âÎö>>
¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º ÌâÐÍ£º
£¨1£©ÔÚ×ö¡±ÓÃÓÍĤ·¨¹À²â·Ö×Ó´óС¡±µÄʵÑéʱ,ÔÚʵÑéÖвâµÃn¸öÓ͵εÄÌå»ýΪV£¬Ôòÿ¸öÓ͵εÄÌå»ýΪ £¬½«Ò»¸öÓ͵εÎÔÚË®ÃæÉÏ£¬ÐγɵÄÓÍĤµÄ½üËÆÂÖÀªÈçͼËùʾ,ͼÖÐÕý·½ÐÎС·½¸ñµÄ±ß³¤Îªl,ÔòÓÍĤµÄÃæ»ýÊÇ___________¡£¸ù¾ÝÉÏÊöÊý¾Ý,¹À²â³öÓÍ·Ö×ÓµÄÖ±¾¶ÊÇ________________¡£ÓÃÕâÖÖ·½Ê½¹À²â³öµÄ½á¹û£¬Æä·Ö×ÓÖ±¾¶µÄÊýÁ¿¼¶Ô¼Îª m¡£
£¨2£© ijͬѧÉè¼ÆÁËÒ»¸öÓôòµã¼ÆʱÆ÷ÑéÖ¤¶¯Á¿Êغ㶨ÂɵÄʵÑ飺½«´òµã¼ÆʱÆ÷¹Ì¶¨Ôڹ⻬µÄ³¤Ä¾°åµÄÒ»¶Ë£¬°ÑÖ½´ø´©¹ý´òµã¼ÆʱÆ÷£¬Á¬ÔÚС³µAµÄºóÃæ¡£ÈÃС³µ£ÁÔ˶¯£¬Ð¡³µ£Â¾²Ö¹¡£ÔÚÁ½Ð¡³µµÄÅöײ¶Ë·Ö±ð×°ÉÏײÕëºÍÏðƤÄ࣬Èçͼ¼×£¬ÅöײʱײÕë²åÈëÏðƤÄà°ÑÁ½Ð¡³µÕ³ºÏ³ÉÒ»Ìå¡£ËûÔÚ°²×°ºÃʵÑé×°Öúó£¬ÏȽÓͨµçÔ´È»ºóÇáÍÆС³µ£Á£¬Ê¹£Á»ñµÃÒ»¶¨µÄËٶȣ¬µç´Å´òµã¼ÆʱÆ÷ÔÚÖ½´øÉÏ´òÏÂһϵÁеĵ㣬ÒÑÖªµçԴƵÂÊΪ50Hz¡£
¢ÙʵÑéÖдò³öµÄÖ½´øÈçͼÒÒËùʾ£¬²¢²âµÃ¸÷¼ÆÊýµã¼ä¾à±êÔÚͼÉÏ£¬ÔòӦѡ¡¡¡¡¡¡¡¡ ¶Î¼ÆËãAµÄÅöÇ°Ëٶȣ»Ó¦Ñ¡¡¡¡¡¡¡ ¶Î¼ÆËãAºÍBÅöºóµÄ¹²Í¬Ëٶȣ¨ÌîBC¡¢CD»òDE£©¡£
¢ÚÒѲâµÃС³µAµÄÖÊÁ¿m1=0.20kg£¬Ð¡³µBµÄÖÊÁ¿m2=0.10kg£¬ÓÉÒÔÉϲâÁ¿½á¹û¿ÉµÃ£º
ÅöÇ°×ܶ¯Á¿=¡¡¡¡¡¡¡¡ kg¡¤m/s £»Åöºó×ܶ¯Á¿=¡¡¡¡¡¡¡¡ kg¡¤m/s¡££¨¼ÆËã½á¹û¾ù±£ÁôÈýλÓÐЧÊý×Ö£©
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