Ò»¸öÓÐÒ»¶¨ºñ¶ÈµÄÔ²ÅÌ£¬¿ÉÒÔÈÆͨ¹ýÖÐÐÄ´¹Ö±ÓÚÅÌÃæµÄˮƽÖáת¶¯£¬Ô²Å̼ÓËÙת¶¯Ê±£¬½ÇËٶȵÄÔö¼ÓÁ¿¡÷¦ØÓë¶ÔӦʱ¼ä¡÷tµÄ±ÈÖµ¶¨ÒåΪ½Ç¼ÓËٶȦ£®ÎÒÃÇÓõç´Å´òµã¼ÆʱÆ÷¡¢Ã׳ߡ¢Óα꿨³ß¡¢Ö½´ø¡¢¸´Ð´Ö½À´Íê³ÉÏÂÊöʵÑ飺£¨´òµã¼ÆʱÆ÷Ëù½Ó½»Á÷µçµÄƵÂÊΪ50Hz£¬A¡¢B¡¢C¡¢D¡Îª¼ÆÊýµã£¬ÏàÁÚÁ½¼ÆÊýµã¼äÓÐËĸöµãδ»³ö£©
¢ÙÈçͼ¼×Ëùʾ£¬½«´òµã¼ÆʱÆ÷¹Ì¶¨ÔÚ×ÀÃæÉÏ£¬½«Ö½´øµÄÒ»¶Ë´©¹ý´òµã¼ÆʱÆ÷µÄÏÞλ¿×£¬È»ºó¹Ì¶¨ÔÚÔ²Å̵IJàÃ棬µ±Ô²ÅÌת¶¯Ê±£¬Ö½´ø¿ÉÒÔ¾íÔÚÔ²Å̲àÃæÉÏ£»
¢Ú½ÓͨµçÔ´£¬´òµã¼ÆʱÆ÷¿ªÊ¼´òµã£¬Æô¶¯¿ØÖÆ×°ÖÃʹԲÅÌÔȼÓËÙת¶¯£»
¢Û¾¹ýÒ»¶Îʱ¼ä£¬Ô²ÅÌֹͣת¶¯ºÍ´òµã£¬È¡ÏÂÖ½´ø£¬½øÐвâÁ¿£®£¨¼ÆËã½á¹û ±£Áô3λÓÐЧÊý×Ö£©£®
£¨1£©ÓÃ20·Ö¶ÈµÄÓα꿨³ß²âµÃÔ²Å̵ÄÖ±¾¶ÈçͼÒÒËùʾ£¬Ô²Å̵İ뾶rΪ______£®cm£»
£¨2£©ÓÉͼ±û¿ÉÖª£¬´òϼÆÊýµãDʱ£¬Ô²ÅÌת¶¯µÄ½ÇËÙ¶ÈΪ______rad/s£»
£¨3£©Ö½´øÔ˶¯µÄ¼ÓËٶȴóСΪ______m/s
2£¬Ô²ÅÌת¶¯µÄ½Ç¼ÓËٶȴóСΪ______£®rad/s
2£®