ÌâÄ¿ÄÚÈÝ
£¨1£©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
£¨2£©°ÑÖ½´øµÄ϶˹̶¨ÔÚÖØÎïÉÏ£¬É϶ËÓÃÊÖÌá×Å£¬Ö½´ø´©¹ý´òµã¼ÆʱÆ÷£¬½ÓͨµçÔ´ºó½«Ö½´øÊÍ·Å£¬ÖØÎï±ãÀ×ÅÖ½´øÏÂÂä¡£Ö½´ø±»´ò³öһϵÁе㣬ÆäÖÐÓÐÒ»¶ÎÈçͼ£¬Ö½´øµÄÄĶËÓëÖØÎïÏàÁ¬£¿ ¡££¨Ìî×ó¶Ë»òÓҶˣ©
£¨3£©ÈôµçÔ´µÄƵÂÊΪ50 Hz£¬ÊµÑéÕßÔÚ´¦ÀíʵÑéÊý¾Ýʱ£¬½«Ã¿¸ô3¸ö¼ÆʱµãÈ¡Ò»¸ö¼ÆÊýµã£¬ÔòÿÁ½¸ö¼ÆÊýµã¼äµÄʱ¼ä¼ä¸ôӦΪ s£»Èç¹ûÔڲⶨÔȱäËÙÖ±ÏßÔ˶¯µÄ¼ÓËÙ¶Èʱ£¬ÊµÑéÕßÈç²»ÖªµÀ¹¤×÷µçѹµÄƵÂʱäΪСÓÚ50 Hz£¬ÕâÑù¼ÆËã³öµÄ¼ÓËÙ¶ÈÖµÓëÕæʵֵÏà±ÈÊÇ £¨Ìî¡°Æ«´ó¡±¡¢¡°Æ«Ð¡¡±»ò¡°²»±ä¡±£©¡£
£¨4£©ÈçͼÊÇÓôòµã¼ÆʱÆ÷²â¶¨ÔȱäËÙÔ˶¯¹æÂÉʱ´ò³öµÄÒ»ÌõÖ½´ø£¬A¡¢B¡¢C¡¢D¡¢EΪֽ´øÉÏËùÑ¡µÄ¼ÆÊýµã£¬ÏàÁÚ¼ÆÊýµã¼äʱ¼ä¼ä¸ôΪ0. 1 s£¬Ôò= m/s£¬a= ¡£
£¨1£©¢Ú¢Ü¢ß £¨2£©×ó¶Ë £¨3£©0.08 Æ«´ó £¨4£©0.26 0.4
½âÎö:
£¨1£©±¾ÊµÑé²»ÐèÒªÌìƽ²âÖÊÁ¿£¬´òµã¼ÆʱÆ÷Ó¦ÓõÍѹ½»Á÷µçÔ´£¬Ò²²»ÓÃÃë±í²âʱ¼ä£¬¹Ê²»ÐèÒªµÄÆ÷²ÄΪ¢Ú¢Ü¢ß¡£
£¨2£©¿ªÊ¼¶Ë£¬Ö½´øËٶȽÏС£¬µã¼ä¾àÓ¦½ÏС£¬¹Ê×ó¶ËÓëÖØÎïÏàÁ¬¡£
£¨3£©´òµãÖÜÆÚ£¬Á½¼ÆÊýµã¼äµÄʱ¼ä¼ä¸ôΪ¡£ÒòÓɼÆËãʱ£¬ÓõÄT±Èʵ¼ÊµÄTС£¬¹Ê¼ÆËã³öµÄa±ÈÕæʵֵƫ´ó¡£
£¨4£©£¬ÓɵÃa=0. 4¡£