ÌâÄ¿ÄÚÈÝ
¡¾ÌâÄ¿¡¿ÔÚ¡°Ñо¿ÔȱäËÙÖ±ÏßÔ˶¯¡±ÊµÑéÖУ¬Ä³Í¬Ñ§ÓýÓÔÚ50HzµÄ½»Á÷µçÔ´ÉϵĴòµã¼ÆʱÆ÷£¬µÃµ½Ò»ÌõÖ½´øÈçͼËùʾ¡£Ö½´øÉÏÿÏàÁÚµÄÁ½¼ÆÊýµã¼ä¶¼ÓÐËĸö¼Æʱµãδ»³ö£¬°´Ê±¼ä˳Ðò£¬È¡0¡¢1¡¢2¡¢3¡¢4¡¢5¡¢6Áù¸ö¼ÆÊýµã£¬Óÿ̶ȳßÁ¿³ö1¡¢2¡¢3¡¢4¡¢5¡¢6µãµ½0µãµÄ¾àÀ루µ¥Î»£ºcm£©£¬·Ö±ð±ê×¢ÔÚÏàÓ¦µÄ¼ÆÊýµãµÄÏ·½£¬Ôò£º
£¨1£©ÔÚÖ½´øÉÏ´òÏÂ3µãʱËÙ¶Èv3=_________m/s£¨½á¹û±£ÁôÈýλÓÐЧÊý×Ö)¡£
£¨2£©Í¨¹ýÊý¾Ý¿ÉµÃ£¬Ö½´øµÄ¼ÓËÙ¶Èa=_________m/s2£¨½á¹û±£ÁôÈýλÓÐЧÊý×Ö)¡£
£¨3£©Èç¹ûµ±Ê±µçÍøÖн»±äµçÁ÷µÄµçѹ±ä³É210 V£¬¶ø×öʵÑéµÄͬѧ²¢²»ÖªµÀ£¬ÄÇô¼ÓËٶȵIJâÁ¿ÖµÓëʵ¼ÊÖµÏà±È________£¨Ñ¡Ìî¡°Æ«´ó¡±¡¢¡°Æ«Ð¡¡±»ò¡°²»±ä¡±£©¡£
¡¾´ð°¸¡¿£¨1£©0.330£¨2£©0.756£¨3£©²»±ä
¡¾½âÎö¡¿ÊÔÌâ·ÖÎö£º£¨1£©Ö½´øÉÏÿÏàÁÚµÄÁ½¼ÆÊýµã¼ä¶¼ÓÐËĸö¼Æʱµãδ»³ö£¬ËùÒÔÏàÁÚ¼ÆÊýµã¼äµÄʱ¼ä¼ä¸ôΪ£¬ÔȱäËÙÖ±ÏßÔ˶¯¹ý³ÌÖÐÒ»¶Î¹ý³ÌÖеÄÖмäʱ¿ÌËٶȵÈÓڸöιý³ÌÖеÄƽ¾ùËٶȣ¬ËùÒÔ
£¨2£©¸ù¾ÝÖð²î·¨¿ÉµÃ£¬
£¬
£¬
Ïà¼Ó¿ÉµÃ£¬¼´
£¨3£©¼ÓËٶȵIJâÁ¿Öµ£¬¸ù¾Ý½»Á÷µçµÄƵÂÊÓйأ¬Óë½»Á÷µçµÄµçѹÎ޹أ¬ËùÒÔÄÇô¼ÓËٶȵIJâÁ¿ÖµÓëʵ¼ÊÖµÏà±È²»±ä£¬
![](http://thumb2018.1010pic.com/images/loading.gif)