ÌâÄ¿ÄÚÈÝ
¡¾ÌâÄ¿¡¿ÎªÁ˲âÁ¿Ä¾¿éÓëľ°å¼ä¶¯Ä¦²ÁÒòÊý£¬Ä³ÊµÑéС×éʹÓÃλÒÆ´«¸ÐÆ÷Éè¼ÆÁËÈçͼËùʾµÄʵÑé×°Öã¬ÈÃľ¿é´ÓÇãбľ°åÉÏAµãÓɾ²Ö¹ÊÍ·Å£¬Î»ÒÆ´«¸ÐÆ÷¿ÉÒÔ²â³öľ¿éµ½´«¸ÐÆ÷µÄ¾àÀ롣λÒÆ´«¸ÐÆ÷Á¬½Ó¼ÆËã»ú£¬Ãè»æ³ö»¬¿éÓë´«¸ÐÆ÷µÄ¾àÀësËæʱ¼ät±ä»¯¹æÂÉ£¬È¡g10m/s2£¬sin370.6£¬ÈçͼËùʾ£º
(1)¸ù¾ÝÉÏÊöͼÏߣ¬¼ÆËã¿ÉµÃľ¿éÔÚ0.4sʱµÄËٶȴóСΪv £¨______£©m/s£»
(2)¸ù¾ÝÉÏÊöͼÏߣ¬¼ÆËã¿ÉµÃľ¿éµÄ¼ÓËٶȴóСa £¨______£©m/s2£»
(3)ÏÖ²âµÃбÃæÇã½ÇΪ37£¬Ôò£¨______£©¡££¨ËùÓнá¹û¾ù±£Áô2λСÊý£©
¡¾´ð°¸¡¿0.40 1.00 0.63
¡¾½âÎö¡¿
(1)[1]ľ¿éÔÚбÃæÉÏ×öÔȼÓËÙÖ±ÏßÔ˶¯£¬Ä³¶Îʱ¼äÄÚµÄƽ¾ùËٶȵÈÓÚÕâ¶Îʱ¼äÄÚÖмäʱ¿ÌµÄ˲ʱËٶȣ¬Ôòľ¿éÔÚ0.4sʱµÄËٶȴóС
(2)[2]ľ¿éÔÚ0.2sʱµÄËٶȴóС
ľ¿éµÄ¼ÓËٶȴóС
(3)[3]бÃæÇã½ÇΪ37£¬Ôò¶Ôľ¿éÊÜÁ¦·ÖÎö£¬ÓÉÅ£¶ÙµÚ¶þ¶¨ÂɿɵÃ
½âµÃ
¡¾ÌâÄ¿¡¿ÈçͼΪij¿îµç´µ·çµÄµç·ͼ£¬a¡¢b¡¢c¡¢dΪËĸö¹Ì¶¨´¥µã¡£¿É¶¯µÄÉÈÐνðÊôƬP¿Éͬʱ½Ó´¥Á½¸ö´¥µã£¬´¥Æ¬P´¦ÓÚ²»Í¬Î»ÖÃʱ£¬µç´µ·ç¿É´¦ÓÚÍ£»ú¡¢´µÈÈ·çºÍ´µÀä·çµÈ²»Í¬µÄ¹¤×÷״̬¡£n1ºÍn2·Ö±ðÊÇÀíÏë±äѹÆ÷µÄÁ½¸öÏßȦµÄÔÑÊý£¬¸Ãµç´µ·çµÄ¸÷Ïî²ÎÊýÈç±íËùʾ¡£ÏÂÁÐ˵·¨ÕýÈ·µÄÓУ¨¡¡¡¡£©
ÈÈ·çʱÊäÈ빦ÂÊ | 1000W |
Àä·çʱÊäÈ빦ÂÊ | 100W |
С·çÉȶµçѹ | 100V |
Õý³£¹¤×÷ʱС·çÉÈÊä³ö¹¦ÂÊ | 88W |
A.´µÈÈ·çʱ´¥Æ¬PÓë´¥µãb¡¢c½Ó´¥
B.¿ÉÓɱí¸ñÖÐÊý¾Ý¼ÆËã³öС·çÉȵÄÄÚ×èΪ100
C.±äѹÆ÷Á½ÏßȦµÄÔÑÊý±È
D.»»Óøü³¤µÄµçÈÈË¿£¨²ÄÁÏ¡¢´Öϸ¾ù²»±ä£©£¬Ôò´µµÄÈÈ·çζȸü¸ß