ÌâÄ¿ÄÚÈÝ
ÈçͼÊÇijͬѧÔÚ×öÔȱäËÙÖ±ÏßÔ˶¯ÊµÑéÖлñµÃµÄÒ»ÌõÖ½´ø¡£
![](http://thumb.1010pic.com/pic2/upload/papers/20140825/201408250023495848625.jpg)
¢Ùµç´Å´òµã¼ÆʱÆ÷¹¤×÷µçѹÊÇ_______________µçԴƵÂÊÊÇ50Hz£¬ÔòÖ½´øÉÏ´òÏàÁÚÁ½µãµÄʱ¼ä¼ä¸ôΪ_________,´òµãʱӦ _________(¢ÙÏȽÓͨµçÔ´£¬ÔÙÊÍ·ÅÖ½´ø£»¢ÚÏÈÊÍ·ÅÖ½´ø£¬ÔÙ½ÓͨµçÔ´)
¢ÚABCDÊÇÖ½´øÉÏËĸö¼ÆÊýµã£¬Ã¿Á½¸öÏàÁÚ¼ÆÊýµã¼äÓÐËĸöµãûÓл³ö¡£´ÓͼÖжÁ³öA¡¢BÁ½µã¼ä¾às=__________£»Cµã¶ÔÓ¦µÄËÙ¶ÈÊÇ________£»Ð¡³µµÄ¼ÓËÙ¶ÈÊÇ__________ (ºóÁ½¿ÕµÄ¼ÆËã½á¹û±£ÁôÈýλÓÐЧÊý×Ö)¡£
![](http://thumb.1010pic.com/pic2/upload/papers/20140825/201408250023495848625.jpg)
¢Ùµç´Å´òµã¼ÆʱÆ÷¹¤×÷µçѹÊÇ_______________µçԴƵÂÊÊÇ50Hz£¬ÔòÖ½´øÉÏ´òÏàÁÚÁ½µãµÄʱ¼ä¼ä¸ôΪ_________,´òµãʱӦ _________(¢ÙÏȽÓͨµçÔ´£¬ÔÙÊÍ·ÅÖ½´ø£»¢ÚÏÈÊÍ·ÅÖ½´ø£¬ÔÙ½ÓͨµçÔ´)
¢ÚABCDÊÇÖ½´øÉÏËĸö¼ÆÊýµã£¬Ã¿Á½¸öÏàÁÚ¼ÆÊýµã¼äÓÐËĸöµãûÓл³ö¡£´ÓͼÖжÁ³öA¡¢BÁ½µã¼ä¾às=__________£»Cµã¶ÔÓ¦µÄËÙ¶ÈÊÇ________£»Ð¡³µµÄ¼ÓËÙ¶ÈÊÇ__________ (ºóÁ½¿ÕµÄ¼ÆËã½á¹û±£ÁôÈýλÓÐЧÊý×Ö)¡£
¢Ù4¡«6V£»0.02s£»¢Ù£»¢Ú0.70cm£»0.100m/s£»0.200m/s2
ÊÔÌâ·ÖÎö£º¢Ùµç´Å´òµã¼ÆʱÆ÷ʹÓÃ4¡«6VµÄ½»Á÷µçÔ´£¬´òµãÖÜÆÚΪ0.02s£¬Ê¹ÓÃʱӦÏȽÓͨµçÔ´µÈ´òµãÎȶ¨ºóÔÙÊÍ·ÅÖ½´ø£»¢ÚABÁ½µã¼äµÄ¾àÀëΪs=1.70cm£1.00cm=0.70cm£»´òÏÂCµãµÄ˲ʱËٶȵÈÓÚBD¶ÎµÄƽ¾ùËٶȣ¬¼´
![](http://thumb.1010pic.com/pic2/upload/papers/20140825/201408250023496001693.png)
![](http://thumb.1010pic.com/pic2/upload/papers/20140825/20140825002349615712.png)
![](http://thumb.1010pic.com/pic2/upload/papers/20140825/20140825002349631999.png)
![](http://thumb2018.1010pic.com/images/loading.gif)
Á·Ï°²áϵÁдð°¸
Ïà¹ØÌâÄ¿