ÌâÄ¿ÄÚÈÝ
¡¾ÌâÄ¿¡¿ÎªÁË̽¾¿ÖÊÁ¿Ò»¶¨Ê±¼ÓËÙ¶ÈÓëÁ¦µÄ¹Øϵ£¬Ð¡Ã÷ͬѧÉè¼ÆÁËÈçͼËùʾµÄʵÑé×°Ö㬿ç¹ý¶¯»¬ÂÖµÄÇáÖÊË«ÏßƽÐÐÓÚˮƽ×ÀÃæ¡£ÆäÖÐMΪ´ø»¬ÂÖµÄС³µµÄÖÊÁ¿£¬mΪɰºÍÉ°Í°µÄ×ÜÖÊÁ¿(»¬ÂÖĦ²Á¼°ÖÊÁ¿²»¼Æ)¡£Ð¡Ã÷¸Ä±ämµÄÖÊÁ¿£¬¼Ç¼Á˼¸×éÊý¾Ý.
(1)ÒÔµ¯»ÉʾÊýF0µÄ¶þ±¶,¼´F=2F0Ϊºá×ø±ê£¬ÒÔ¼ÓËÙ¶ÈaΪ×Ý×ø±ê£¬»³öµÄaFͼÏóÈçͼËùʾ£¬Ôò¿ÉÄÜÕýÈ·µÄÊÇ_______________.
(2)¸ù¾ÝÄãÑ¡ÔñµÄͼÏñ½á¹û£¬·ÖÎöСÃ÷ʵÑéµÄÊè©֮´¦ÊÇ_______________________.
(3)СÃ÷¸ÄÕýÊè©֮ºó£¬ÖØÐÂʵÑé²¢µÃµ½Ò»ÌõÈçͼËùʾµÄÖ½´ø,ÒÑÖª´òµã¼ÆʱÆ÷µÄ½»Á÷µçƵÂÊΪ50Hz. ÓɸÃÖ½´ø¿ÉÇóµÃС³µµÄ¼ÓËÙ¶Èa£½_____m/s2.(½á¹û±£Áô2λÓÐЧÊý×Ö)
¡¾´ð°¸¡¿C ûÓÐƽºâĦ²ÁÁ¦ 0.88
¡¾½âÎö¡¿
(1)¡¢(2)¡¢¶ÔС³µÓÉÅ£¶ÙµÚ¶þ¶¨ÂÉ£¬¿ÉµÃ£¬ËùÒÔa-FͼÏóÊÇÒ»ÌõÇãбµÄÖ±Ïߣ¬ÓÉʵÑé×°ÖÿÉÖª£¬ÊµÑéǰûÓÐƽºâĦ²ÁÁ¦£¬Ôò»³öµÄa-FͼÏóÔÚFÖáÉÏÓнؾ࣬¹ÊCÕýÈ·£®¹ÊÑ¡C.
(3)ËÄ×éλÒƵÄʱ¼ä¾ùΪ£¬¸ù¾ÝÖð²î·¨ÇóµÃ.