¿Æ¼¼¹ÝÖÐÓÐÒ»¸öչƷ£¨Õ¹Æ·ÖÜΧ»·¾³½Ï°µ£©£¬¸ÃչƷÓÐÒ»¸ö²»¶Ï¾ùÔȵÎË®µÄÁúÍ·£¨¸ÕµÎ³öµÄË®µÎËÙ¶ÈΪÁ㣩£¬ÔÚƽÐÐƵÉÁ¹âÔ´µÄÕÕÉäÏ£¬¿ÉÒԹ۲쵽һÖÖÆæÌصÄÏÖÏó£ºÖ»ÒªÄÍÐĵػºÂýµ÷½ÚË®µÎÏÂÂäµÄʱ¼ä¼ä¸ô£¬ÔÚÊʵ±µÄÇé¿öÏ£¬¿´µ½µÄË®µÎºÃÏ󶼾²Ö¹ÔÚ¸÷×Թ̶¨µÄλÖò»¶¯£¬ÈçͼÖÐA¡¢B¡¢C¡¢DËùʾ£®¸ÃչƷµÄ×î´ó¸ß¶ÈΪ2m£®
£¨1£©ÒªÏë³öÏÖͼÖеÄÕâÒ»ÏÖÏ󣬵Îˮʱ¼ä¼ä¸ôӦΪT=______s£¬¹âÔ´ÉÁ¹âƵÂÊΪf=______Hz£®
£¨2£©Èô½«Ä¿Ç°µÄ¹âÔ´ÉÁ¹âƵÂÊfÂÔ΢µ÷´óһЩ£¬Ôò½«¹Û²ìµ½µÄÆæÌØÏÖÏóΪ______£®
¾«Ó¢¼Ò½ÌÍø
£¨1£©Ã¿¸ôÏàµÈʱ¼ä¼ä¸ôµÎÒ»µÎË®£¬ÒÔ¼°Ã¿¸ôÏàµÈʱ¼äÉÁ¹âÒ»´Î£¬»á¿´µ½Ë®µÎºÃÏñ¾²Ö¹²»¶¯£®
¸ù¾Ý¡÷y=gT2µÃ£ºT=0.2s
¹âÔ´ÉÁ¹âƵÂÊΪ£ºf=
1
T
=5Hz
£¨2£©Èô½«Ä¿Ç°µÄ¹âÔ´ÉÁ¹âƵÂÊfÂÔ΢µ÷´óһЩ£¬Ôò½«¹Û²ìµ½µÄÆæÌØÏÖÏóΪˮµÎÔÚÖð½¥ÉÏÉý
¹Ê´ð°¸Îª£º£¨1£©0.2s£¬5Hz £¨2£©Ë®µÎÔÚÖð½¥ÉÏÉý
Á·Ï°²áϵÁдð°¸
Ïà¹ØÏ°Ìâ

¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º ÌâÐÍ£º

£¨2006?ºþÄÏÄ£Ä⣩¿Æ¼¼¹ÝÖÐÓÐÒ»¸öչƷ£¬ÈçͼËùʾ£¬Ôڽϰµ´¦ÓÐÒ»¸ö²»¶Ï¾ùÔȵÎË®µÄÁúÍ·£¬ÔÚÒ»ÖÖÌØÊâµÄµÆ¹âÕÕÉäÏ£¬¿É¹Û²ìµ½Ò»¸ö¸öÏÂÂäµÄË®µÎ£®»º»ºµ÷½ÚË®µÎÏÂÂäµÄʱ¼ä¼ä¸ôµ½Êʵ±Çé¿ö£®¿É¿´µ½Ò»ÖÖÆæÌصÄÏÖÏó£¬Ë®µÎËƺõ²»ÔÙÍùÏÂÂ䣬¶øÊǹ̶¨ÔÚͼÖÐA¡¢B¡¢C¡¢DËĸöλÖò»¶¯£¬Òª³öÏÖÕâÖÖÏÖÏó£¬ÕÕÃ÷¹âÔ´Ó¦¸ÃÂú×㣨gÈ¡10m/s2£©£¨¡¡¡¡£©

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º ÌâÐÍ£º

¿Æ¼¼¹ÝÖÐÓÐÒ»¸öչƷ£¬ÈçͼËùʾ£¬·ÅÔÚ°µ´¦£¬ÄÚÓÐÒ»¸ö²»¶Ï¾ùÔȵÎË®µÄÁúÍ·£¬ÔÚƵÉÁµÆÕÕÉäÏ£¬¿ÉÒԹ۲쵽һ¸ö¸öÏÂÂäµÄË®µÎ£®»º»ºµ÷½ÚË®µÎÏÂÂäµÄʱ¼ä¼ä¸ôµ½Êʵ±µÄ¿ìÂý£¬¿ÉÒÔ¿´µ½Ò»ÖÖÆæÌصÄÏÖÏó£¬Ë®µÎËƺõ²»ÔÙÂäÏ£¬¶øÓÐÈç¹Ì¶¨ÔÚͼÖÐËĸöλÖò»¶¯Ò»°ã£¨Í¼ÎªÆäÖÐ4¸öÁ¬ÐøË®µÎ£¬¿ÕÆø×èÁ¦¿ÉÒÔºöÂÔ²»¼Æ£¬g=10m/s2£©
£¨1£©ÇëÎÊʵ¼ÊÉÏË®µÎÊDz»ÊÇÔÚ¼ÌÐøÏÂÂ䣿¿´µ½ÕâÒ»ÏÖÏóµÄÔ­ÒòÊÇʲô£¿
£¨2£©Çë¾ÝͼÖбê³ßÉϵĿ̶ȣ¨µ¥Î»ÊÇ£ºcm£©£¬¼ÆËãÕâյƵÉÁµÆµÄÖÜÆÚ£®

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º ÌâÐÍ£º

¿Æ¼¼¹ÝÖÐÓÐÒ»¸öչƷ£¨Õ¹Æ·ÖÜΧ»·¾³½Ï°µ£©£¬¸ÃչƷÓÐÒ»¸ö²»¶Ï¾ùÔȵÎË®µÄÁúÍ·£¨¸ÕµÎ³öµÄË®µÎËÙ¶ÈΪÁ㣩£¬ÔÚƽÐÐƵÉÁ¹âÔ´µÄÕÕÉäÏ£¬¿ÉÒԹ۲쵽һÖÖÆæÌصÄÏÖÏó£ºÖ»ÒªÄÍÐĵػºÂýµ÷½ÚË®µÎÏÂÂäµÄʱ¼ä¼ä¸ô£¬ÔÚÊʵ±µÄÇé¿öÏ£¬¿´µ½µÄË®µÎºÃÏ󶼾²Ö¹ÔÚ¸÷×Թ̶¨µÄλÖò»¶¯£¬ÈçͼÖÐA¡¢B¡¢C¡¢DËùʾ£®¸ÃչƷµÄ×î´ó¸ß¶ÈΪ2m£¬ÖØÁ¦¼ÓËÙ¶Èg=10m/s2£®
£¨1£©ÒªÏë³öÏÖͼÖÐÕâÒ»ÏÖÏ󣬵Îˮʱ¼ä¼ä¸ôӦΪT=
0.2
0.2
s£¬¹âÔ´ÉÁ¹âƵÂÊΪf=
5
5
Hz£®
£¨2£©Èô½«µÎˮʱ¼ä¼ä¸ô¼õСΪÏÖÔÚµÄÒ»°ë£¬Ç뽫¹Û²ìµ½µÄÏÖÏó»­Ôڿ̶ȳßͼÖУ¨Ë®µÎÓõã±íʾ¼´¿É£©£®
£¨3£©Èô½«ÏÖÔڵĹâÔ´ÉÁ¹âƵÂÊfÂÔ΢µ÷´óһЩ£¬Ôò½«¹Û²ìµ½µÄÆæÌØÏÖÏóΪ
Ë®µÎÔÚÖð½¥ÉÏÉý
Ë®µÎÔÚÖð½¥ÉÏÉý
£®

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º ÌâÐÍ£º

ij¿Æ¼¼¹ÝÖÐÓÐÒ»¸öչƷ£¬¸ÃչƷ·ÅÔڽϰµ´¦£¬ÓÐÒ»¸ö²»¶Ï¾ùÔȵÎË®µÄÁúÍ·£¨¸ÕµÎ³öµÄË®µÎËÙ¶ÈΪÁ㣩£¬ÔÚƽÐйâÔ´µÄÕÕÉäÏ£¬Ö»ÒªÄÍÐĵػºÂýµ÷½ÚË®µÎÏÂÂäµÄʱ¼ä¼ä¸ô£¬ÔÚÊʵ±Çé¿öϲιÛÕß¿ÉÒԹ۲쵽һÖÖÆæÌصÄÏÖÏó£ºË®µÎºÃÏñ¶¼¾²Ö¹ÔÚ¸÷×Թ̶¨µÄλÖò»¶¯£¨ÈçͼµÄA¡¢B¡¢C¡¢DËùʾ£¬¿Ì¶È³ßÉÏÊýÖµµÄµ¥Î»ÊÇcm£©£®È¡g=10m/s2£¬ÒªÏë³öÏÖÕâÒ»ÖÖÏÖÏó£¬ËùÓùâÔ´Ó¦Âú×ãµÄÌõ¼þÊÇ£¨¡¡¡¡£©

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º ÌâÐÍ£º

¿Æ¼¼¹ÝÖÐÓÐÒ»¸öչƷ£¨Õ¹Æ·ÖÜΧ»·¾³½Ï°µ£©£¬¸ÃչƷÓÐÒ»¸ö²»¶Ï¾ùÔȵÎË®µÄÁúÍ·£¨¸ÕµÎ³öµÄË®µÎËÙ¶ÈΪÁ㣩£¬ÔÚƽÐÐƵÉÁ¹âÔ´µÄÕÕÉäÏ£¬¿ÉÒԹ۲쵽һÖÖÆæÌصÄÏÖÏó£ºÖ»ÒªÄÍÐĵػºÂýµ÷½ÚË®µÎÏÂÂäµÄʱ¼ä¼ä¸ô£¬ÔÚÊʵ±µÄÇé¿öÏ£¬¿´µ½µÄË®µÎºÃÏ󶼾²Ö¹ÔÚ¸÷×Թ̶¨µÄλÖò»¶¯£¬ÈçͼÖÐA¡¢B¡¢C¡¢DËùʾ£®¸ÃչƷµÄ×î´ó¸ß¶ÈΪ2m£®
£¨1£©ÒªÏë³öÏÖͼÖеÄÕâÒ»ÏÖÏ󣬵Îˮʱ¼ä¼ä¸ôӦΪT=
0.2
0.2
s£¬¹âÔ´ÉÁ¹âƵÂÊΪf=
5
5
Hz£®
£¨2£©Èô½«Ä¿Ç°µÄ¹âÔ´ÉÁ¹âƵÂÊfÂÔ΢µ÷´óһЩ£¬Ôò½«¹Û²ìµ½µÄÆæÌØÏÖÏóΪ
Ë®µÎÔÚÖð½¥ÉÏÉý
Ë®µÎÔÚÖð½¥ÉÏÉý
£®

²é¿´´ð°¸ºÍ½âÎö>>

ͬ²½Á·Ï°²á´ð°¸