ÌâÄ¿ÄÚÈÝ
£¨17·Ö£©£¨1£©£¨6·Ö£©ÓÃÈçͼËùʾµÄ×°ÖÃÑо¿»¬¶¯Ä¦²ÁÁ¦µÄ´óС¡£ÓÃÁ¦À¶¯Ä¾°å£¬µ±Ä¾¿éÏà¶ÔµØÃæ______£¨Ñ¡Ìâ¡°¾²Ö¹¡±¡¢¡°ÔÈËÙÔ˶¯¡±»ò¡°¼ÓËÙÔ˶¯¡±£©Ê±£¬¶Á³öµ¯»É²âÁ¦¼ÆµÄʾÊý£¬Ä¾¿éÓëľ°å¼ä»¬¶¯Ä¦²ÁÁ¦µÈÓÚ²âÁ¦¼ÆʾÊý¡£ÔÚÊÔÑéÖÐͨ¹ýÔÚľ°åÉÏÌí¼Ó¹³ÂëµÄ·½·¨£¬¸Ä±äľ¿é¶Ôľ°åµÄѹÁ¦£¬²¢·Ö±ð²â³ö»¬¶¯Ä¦²ÁÁ¦µÄ´óС£»°Ñľ°å»»³É²£Á§°åÔÙÖظ´ÉÏÃæÊÔÑ顣ϱíΪijʵÑéС×é²âµÃµÄʵÑéÊý¾Ý£º
ÇëÍê³É±í¸ñÖеÄÓйؼÆË㣬½«½á¹ûÌîÔÚ±íÖкáÏßÉÏ£¨½á¹û±£ÁôÁ½Î»ÓÐЧÊý×Ö£©¡£Ä¾¿é¶Ôľ°åµÄѹÁ¦Îª6.00Nʱ£¬ËüÃÇÖ®¼äµÄ»¬¶¯Ä¦²ÁÁ¦fµÄ´óСÊÇ______N¡£
ÇëÍê³É±í¸ñÖеÄÓйؼÆË㣬½«½á¹ûÌîÔÚ±íÖкáÏßÉÏ£¨½á¹û±£ÁôÁ½Î»ÓÐЧÊý×Ö£©¡£Ä¾¿é¶Ôľ°åµÄѹÁ¦Îª6.00Nʱ£¬ËüÃÇÖ®¼äµÄ»¬¶¯Ä¦²ÁÁ¦fµÄ´óСÊÇ______N¡£
¾²Ö¹£¬0.20£¬1.50
ÊÔÌâ·ÖÎö£ºÓÃÁ¦À¶¯Ä¾°å£¬µ±Ä¾¿éÏà¶ÔµØÃ澲ֹʱ£¬¶Á³öµ¯»É²âÁ¦¼ÆµÄʾÊý£¬Ä¾¿éÓëľ°å¼ä»¬¶¯Ä¦²ÁÁ¦µÈÓÚ²âÁ¦¼ÆʾÊý¡£¸ù¾ÝÊý¾Ý¿ÉËãµÃľ¿éºÍ²£Á§°å¼äµÄf/N=1.00/5.00=0.20£»Ä¾¿é¶Ôľ°åµÄѹÁ¦Îª6.00Nʱ£¬ËüÃÇÖ®¼äµÄ»¬¶¯Ä¦²ÁÁ¦fµÄ´óСÊÇ6.00¡Á0.25N=1.50N¡£
Á·Ï°²áϵÁдð°¸
Ïà¹ØÌâÄ¿