ÌâÄ¿ÄÚÈÝ

£¨1£©£¨6·Ö£©ÔÚ̽¾¿Á½µçºÉ¼äÏ໥×÷ÓÃÁ¦µÄ´óСÓëÄÄЩÒòËØÓйصÄʵÑéÖУ¬Ò»Í¬Ñ§²ÂÏë¿ÉÄÜÓëÁ½µçºÉµÄ¼ä¾àºÍ´øµçÁ¿Óйء£ËûÑ¡ÓôøÕýµçµÄСÇòAºÍB£¬AÇò·ÅÔÚ¿ÉÒƶ¯µÄ¾øÔµ×ùÉÏ£¬BÇòÓþøԵ˿ÏßÐü¹ÒÓÚ²£Á§°ôCµã£¬ÈçͼËùʾ¡£
ʵÑéʱ£¬Ïȱ£³ÖÁ½ÇòµçºÉÁ¿²»±ä£¬Ê¹AÇò´ÓÔ¶´¦Öð½¥ÏòBÇò¿¿½ü£¬¹Û²ìµ½Á½Çò¾àÀëԽС£¬BÇòÐüÏßµÄÆ«½ÇÔ½´ó£»ÔÙ±£³ÖÁ½Çò¾àÀë²»±ä£¬¸Ä±äСÇòËù´øµÄµçºÉÁ¿£¬¹Û²ìµ½µçºÉÁ¿Ô½´ó£¬BÇòÐüÏßµÄÆ«½ÇÔ½´ó¡£

ʵÑé±íÃ÷£ºÁ½µçºÉÖ®¼äµÄÏ໥×÷ÓÃÁ¦£¬ËæÆä¾àÀëµÄ________¶øÔö´ó£¬ËæÆäËù´øµçºÉÁ¿µÄ____________¶øÔö´ó¡£
´ËͬѧÔÚ̽¾¿ÖÐÓ¦ÓõĿÆѧ·½·¨ÊÇ__________£¨Ñ¡Ì¡°ÀÛ»ý·¨¡±¡¢¡°µÈЧÌæ´ú·¨¡±¡¢¡°¿ØÖƱäÁ¿·¨¡±»ò¡°ÑÝÒï·¨¡±£©¡£
£¨2£©£¨11·Ö£©Èçͼ1Ëùʾ£¬Ä³×éͬѧ½èÓá°Ì½¾¿aÓëF¡¢mÖ®¼äµÄ¶¨Á¿¹Øϵ¡±µÄÏà¹ØʵÑé˼Ïë¡¢Ô­Àí¼°²Ù×÷£¬½øÐС°Ñо¿ºÏÍâÁ¦×ö¹¦ºÍ¶¯Äܱ仯µÄ¹Øϵ¡±µÄʵÑ飺

¢ÙΪ´ïµ½Æ½ºâ×èÁ¦µÄÄ¿µÄ£¬È¡ÏÂϸÉþ¼°ÍÐÅÌ£¬Í¨¹ýµ÷ÕûµæƬµÄλÖ㬸ı䳤ľ°åÇãб³Ì¶È£¬¸ù¾Ý´ò³öµÄÖ½´øÅжÏС³µÊÇ·ñ×ö__________Ô˶¯¡£
¢ÚÁ¬½ÓϸÉþ¼°ÍÐÅÌ£¬·ÅÈËíÀÂ룬ͨ¹ýʵÑéµÃµ½Í¼2ËùʾµÄÖ½´ø¡£Ö½´øÉÏ0ΪС³µÔ˶¯Æðʼʱ¿ÌËù´òµÄµã£¬Ñ¡È¡Ê±¼ä¼ä¸ôΪ0. 1sµÄÏàÁÚ¼ÆÊýµãA¡¢B¡¢C¡¢D¡¢E¡¢F¡¢G¡£ÊµÑéʱС³µËùÊÜÀ­Á¦Îª0. 2N£¬Ð¡³µµÄÖÊÁ¿Îª0.2kg¡£
Çë¼ÆËãС³µËùÊܺÏÍâÁ¦×öµÄ¹¦WºÍС³µ¶¯Äܵı仯¡÷Ek£¬²¹Ìî±íÖпոñ£¨½á¹û±£ÁôÖÁСÊýµãºóµÚËÄ룩¡£
 
O-B
O-C
O-D
O-E
O-F
W/J
0.0432
0. 0572
0. 0734
0. 0915
 
¡÷Ek/J
0.0430
0. 0570
0. 0734
0. 0907
 
·ÖÎöÉÏÊöÊý¾Ý¿ÉÖª£ºÔÚʵÑéÎó²îÔÊÐíµÄ·¶Î§ÄÚW= ¡÷Ek£¬ÓëÀíÂÛÍƵ¼½á¹ûÒ»Ö¡£
¢ÛʵÑéÇ°ÒѲâµÃÍÐÅÌÖÊÁ¿Îª7.7¡Á10 -3kg£¬ÊµÑéʱ¸Ã×éͬѧ·ÅÈëÍÐÅÌÖеÄíÀÂëÖÊÁ¿Ó¦Îª_______kg£¨gÈ¡9.8m/s2£¬½á¹û±£ÁôÖÁСÊýµãºóµÚÈý룩¡£
£¨1£©¼õС¡¢Ôö´ó¡¢¿ØÖƱäÁ¿·¨
£¨2£©¢ÙÔÈËÙÖ±Ïß   ¢Ú0.1115   0.1105     ¢Û0.015kg
£¨1£©Æ«½ÇÔ½´ó£¬ËµÃ÷Á½Ð¡ÇòÖ®¼äµÄ×÷ÓÃÁ¦Ô½´ó£»±¾ÊµÑéËùÓõķ½·¨ÊÇ¿ØÖƱäÁ¿·¨¡£
£¨2£©¢ÙÕâÒ»²½ÊÇÓÃÀ´Æ½ºâĦ²ÁÁ¦£¬Ïû³ýĦ²ÁÁ¦¶ÔʵÑéµÄÓ°Ïì.¢ÚС³µËùÊܺÏÍâÁ¦×öµÄ¹¦£º£»Ð¡³µµ½´ïFµãʱµÄËٶȣº£¬ËùÒÔС³µ¶¯Äܵı仯£º£»¢ÛС³µµÄ¼ÓËٶȣº  ÓɵãºÍÐÅÌÖеÄíÀÂëÖÊÁ¿Ó¦Îª£º
¡¾¿¼µã¶¨Î»¡¿£¨1£©Ì½¾¿µçºÉ¼äµÄÏ໥×÷ÓÃÓëÄÄЩÒòËØÓйØʵÑé
£¨2£©¼ÓËÙ¶ÈÓëÖÊÁ¿ ºÏÍâÁ¦¼äµÄ¶¨Á¿¹ØϵʵÑé.
Á·Ï°²áϵÁдð°¸
Ïà¹ØÌâÄ¿

Î¥·¨ºÍ²»Á¼ÐÅÏ¢¾Ù±¨µç»°£º027-86699610 ¾Ù±¨ÓÊÏ䣺58377363@163.com

¾«Ó¢¼Ò½ÌÍø