ÌâÄ¿ÄÚÈÝ
£¨1£©ÔÚÓá°Í¼Ï󷨡±´¦ÀíʵÑéÊý¾Ýʱ£¬ÎªÁ˼õÉÙÎó²î
[ ]
A.Ӧʹ×Ý¡¢ºá×ø±êÿµ¥Î»³¤¶È±íʾµÄÊýÖµ´óһЩ
B.Ӧʹ×Ý¡¢ºá×ø±êÿµ¥Î»³¤¶È±íʾµÄÊýֵСһЩ
C.ΪʹͼÏßͨ¹ýÿ¸öʵÑéÊý¾Ýµã£¬Ó¦Ê¹Í¼Ïß»³ÉÕÛÏß
D.ӦʹͼÏß»³ÉÖ±Ïß»ò¹â»¬ÇúÏߣ¬ÈÃʵÑéÊý¾Ýµã´óÖ¾ùÔÈ·Ö²¼ÔÚͼÏ߸½½ü£¬¶ÔÓÚ¸ö±ðÀëÏß½ÏÔ¶µÄµã¿ÉÒÔÉáÈ¥
B.Ӧʹ×Ý¡¢ºá×ø±êÿµ¥Î»³¤¶È±íʾµÄÊýֵСһЩ
C.ΪʹͼÏßͨ¹ýÿ¸öʵÑéÊý¾Ýµã£¬Ó¦Ê¹Í¼Ïß»³ÉÕÛÏß
D.ӦʹͼÏß»³ÉÖ±Ïß»ò¹â»¬ÇúÏߣ¬ÈÃʵÑéÊý¾Ýµã´óÖ¾ùÔÈ·Ö²¼ÔÚͼÏ߸½½ü£¬¶ÔÓÚ¸ö±ðÀëÏß½ÏÔ¶µÄµã¿ÉÒÔÉáÈ¥
£¨2£©Ä³Í¬Ñ§Òª½øÐÐ̽¾¿ÔȱäËÙÖ±ÏßÔ˶¯ÊµÑ飬ÇëÔÚÏÂÃæÁгöµÄʵÑéÆ÷²ÄÖУ¬Ñ¡³ö±¾ÊµÑéÖв»ÐèÒªµÄÆ÷²ÄÌîÔÚºáÏßÉÏ£¨Ìî±àºÅ£©£º_____________________________________¡£
¢Ù´òµã¼ÆʱÆ÷ ¢ÚÌìƽ ¢ÛµÍѹ½»Á÷µçÔ´ ¢ÜµÍѹֱÁ÷µçÔ´ ¢ÝϸÉþºÍÖ½´ø ¢Þ¹³ÂëºÍС³µ ¢ßÃë±í ¢àÒ»¶ËÓл¬Âֵij¤Ä¾°å ¢á¿Ì¶È³ß
£¨3£©Ä³Í¬Ñ§ÀûÓôòµã¼ÆʱÆ÷Ëù¼Ç¼µÄÖ½´øÀ´Ñо¿×öÔȱäËÙÖ±ÏßÔ˶¯Ð¡³µµÄÔ˶¯Çé¿ö£¬ÊµÑéÖлñµÃÒ»ÌõÖ½´ø£¬ÈçͼËùʾ£¬ÆäÖÐÁ½ÏàÁÚ¼ÆÊýµã¼äÓÐËĸöµãδ»³ö¡£ÒÑÖªËùÓõçÔ´µÄƵÂÊΪ50HZ£¬Ôò´òAµãʱС³µÔ˶¯µÄËÙ¶ÈvA=_______m/s£¬Ð¡³µÔ˶¯µÄ¼ÓËÙ¶Èa=_______m/s2¡££¨½á¹ûÒªÇó±£ÁôÈýλÓÐЧÊý×Ö£©
¢Ù´òµã¼ÆʱÆ÷ ¢ÚÌìƽ ¢ÛµÍѹ½»Á÷µçÔ´ ¢ÜµÍѹֱÁ÷µçÔ´ ¢ÝϸÉþºÍÖ½´ø ¢Þ¹³ÂëºÍС³µ ¢ßÃë±í ¢àÒ»¶ËÓл¬Âֵij¤Ä¾°å ¢á¿Ì¶È³ß
£¨3£©Ä³Í¬Ñ§ÀûÓôòµã¼ÆʱÆ÷Ëù¼Ç¼µÄÖ½´øÀ´Ñо¿×öÔȱäËÙÖ±ÏßÔ˶¯Ð¡³µµÄÔ˶¯Çé¿ö£¬ÊµÑéÖлñµÃÒ»ÌõÖ½´ø£¬ÈçͼËùʾ£¬ÆäÖÐÁ½ÏàÁÚ¼ÆÊýµã¼äÓÐËĸöµãδ»³ö¡£ÒÑÖªËùÓõçÔ´µÄƵÂÊΪ50HZ£¬Ôò´òAµãʱС³µÔ˶¯µÄËÙ¶ÈvA=_______m/s£¬Ð¡³µÔ˶¯µÄ¼ÓËÙ¶Èa=_______m/s2¡££¨½á¹ûÒªÇó±£ÁôÈýλÓÐЧÊý×Ö£©
£¨1£©BD
£¨2£©¢Ú¢Ü¢ß
£¨3£©0.337£»0.393
£¨2£©¢Ú¢Ü¢ß
£¨3£©0.337£»0.393
Á·Ï°²áϵÁдð°¸
Ïà¹ØÌâÄ¿