ÌâÄ¿ÄÚÈÝ
4£®| A£® | abΪ³âÁ¦ÇúÏߣ¬cdΪÒýÁ¦ÇúÏߣ¬eµãºá×ø±êµÄÊýÁ¿¼¶Îª10-10m | |
| B£® | abΪÒýÁ¦ÇúÏߣ¬cdΪ³âÁ¦ÇúÏߣ¬eµãºá×ø±êµÄÊýÁ¿¼¶Îª10-10m | |
| C£® | ÈôÁ½¸ö·Ö×Ó¼ä¾àÀë´óÓÚeµãµÄºá×ø±ê£¬Ôò·Ö×Ó¼ä×÷ÓÃÁ¦µÄºÏÁ¦±íÏÖΪ³âÁ¦ | |
| D£® | ÈôÁ½¸ö·Ö×Ó¼ä¾àÀë´óÓÚeµãµÄºá×ø±êÇÒÔ½À´Ô½´ó£¬Ôò·Ö×ÓÊÆÄÜÒàÔ½À´Ô½´ó |
·ÖÎö ÔÚf-rͼÏóÖУ¬Ëæ×žàÀëµÄÔö´ó³âÁ¦±ÈÒýÁ¦±ä»¯µÄ¿ì£¬µ±·Ö×Ó¼äµÄ¾àÀëµÈÓÚ·Ö×ÓÖ±¾¶ÊýÁ¿¼¶Ê±£¬ÒýÁ¦µÈÓÚ³âÁ¦£®
½â´ð ½â£ºAB¡¢ÔÚf-rͼÏóÖУ¬Ëæ×žàÀëµÄÔö´ó³âÁ¦±ÈÒýÁ¦±ä»¯µÄ¿ì£¬ËùÒÔabΪÒýÁ¦ÇúÏߣ¬cdΪ³âÁ¦ÇúÏߣ¬µ±·Ö×Ó¼äµÄ¾àÀëµÈÓÚ·Ö×ÓÖ±¾¶ÊýÁ¿¼¶Ê±£¬ÒýÁ¦µÈÓÚ³âÁ¦£®ËùÒÔeµãµÄºá×ø±ê¿ÉÄÜΪ10-10m£®¹ÊA´íÎó£¬BÕýÈ·£»
C¡¢ÈôÁ½¸ö·Ö×Ó¼ä¾àÀë´óÓÚeµãµÄºá×ø±ê£¬Ôò·Ö×Ó¼ä×÷ÓÃÁ¦µÄºÏÁ¦±íÏÖΪÒýÁ¦£®¹ÊC´íÎó£»
D¡¢ÈôÁ½¸ö·Ö×Ó¼ä¾àÀë´óÓÚeµãµÄºá×ø±êÇÒÔ½À´Ô½´ó£¬·Ö×ÓÁ¦ÎªÒýÁ¦£¬×ö¸º¹¦£¬¹Ê·Ö×ÓÊÆÄÜÔö¼Ó£¬¹ÊDÕýÈ·£»
¹ÊÑ¡£ºBD
µãÆÀ ±¾ÌâÖ÷Òª¿¼²é·Ö×Ó¼äµÄ×÷ÓÃÁ¦£¬ÒªÃ÷È·f-rͼÏóµÄº¬Ò壬֪µÀ³âÁ¦±ä»¯µÄ¿ì£®ÁíÒ»·Ö×Ó´ÓÎÞÇîÔ¶ÏòOÔ˶¯¹ý³ÌÖУ¬·Ö×ÓÊÆÄÜÏȼõСºóÔö´ó£®
Á·Ï°²áϵÁдð°¸
Ïà¹ØÌâÄ¿
14£®
Èçͼ£¬½«¶î¶¨µçѹΪ60VµÄÓõçÆ÷£¬Í¨¹ýÒ»ÀíÏë±äѹÆ÷½ÓÔÚÕýÏÒ½»±äµçÔ´ÉÏ£®±ÕºÏ¿ª¹ØSºó£¬ÓõçÆ÷Õý³£¹¤×÷£¬½»Á÷µçѹ±íºÍ½»Á÷µçÁ÷±í£¨¾ùΪÀíÏëµç±í£©µÄʾÊý·Ö±ðΪ220VºÍ2.2A£®ÒÔÏÂÅжÏÕýÈ·µÄÊÇ£¨¡¡¡¡£©
| A£® | ±äѹÆ÷ÊäÈ빦ÂÊΪ484W | |
| B£® | ͨ¹ýÔÏßȦµÄµçÁ÷µÄÓÐЧֵΪ0.5A | |
| C£® | ͨ¹ý¸±ÏßȦµÄµçÁ÷µÄ×î´óֵΪ2.2A | |
| D£® | ±äѹÆ÷Ô¡¢¸±ÏßȦµÄÔÑÊý±Èn1£ºn2=11£º3 |
15£®ÏÂÁÐ˵·¨ÕýÈ·µÄÊÇ£¨¡¡¡¡£©
| A£® | ÐÐÊ»µÄÆû³µÔÚ¹ý¹°ÐÎÇŵÄ×î¸ßµãʱ£¬Êܵ½ÖØÁ¦¡¢Ö§³ÖÁ¦ºÍÏòÐÄÁ¦ | |
| B£® | ÔÚˮƽ¹«Â·ÉÏÐÐÊ»µÄÆû³µ£¬×ªÍäʱËùÐèµÄÏòÐÄÁ¦ÊÇÓɳµÂÖÓëÂ·Ãæ¼äµÄ¾²Ä¦²ÁÁ¦ÌṩµÄ | |
| C£® | СÇò×öÔ²×¶°ÚÔ˶¯Ê±£¬ÉþµÄÀÁ¦µÈÓÚÏòÐÄÁ¦ | |
| D£® | ÔÚºÏÁ¦²»×ãÒÔÌṩԲÖÜÔ˶¯ËùÐèµÄÏòÐÄÁ¦Ê±£¬ÎïÌå±ØÈ»»áÑØÇÐÏß·½Ïò·É |
12£®ÏÂÁйØÓÚµç¶¯ÊÆµÄ˵·¨ÕýÈ·µÄÊÇ£¨¡¡¡¡£©
| A£® | µçÔ´µÄµç¶¯ÊƸúµçÔ´ÄڷǾ²µçÁ¦×öµÄ¹¦³ÉÕý±È£¬¸úͨ¹ýµÄµçºÉÁ¿³É·´±È | |
| B£® | E=$\frac{W}{q}$Ö»ÊÇµç¶¯ÊÆµÄ¶¨Òåʽ¶ø·Ç¾ö¶¨Ê½£¬µç¶¯ÊƵĴóСÊÇÓɵçÔ´ÄڷǾ²µçÁ¦µÄÌØÐÔ¾ö¶¨µÄ | |
| C£® | ·Ç¾²µçÁ¦×öµÄ¹¦Ô½¶à£¬µç¶¯ÊƾÍÔ½´ó | |
| D£® | µç¶¯ÊƵĵ¥Î»¸úµçѹµÄµ¥Î»Ò»Ö£¬ËùÒÔµç¶¯ÊÆ¾ÍÊÇÁ½¼«¼äµÄµçѹ |
9£®ÓîÖæ·É´¬ÔÚ½üµØ¹ìµÀÈÆµØÇò×÷ÔÈËÙÔ²ÖÜÔ˶¯£¬ÏÂÁÐ˵·¨ÕýÈ·µÄÓУ¨¡¡¡¡£©
| A£® | ÓîÖæ·É´¬ÔËÐеÄËٶȲ»±ä£¬ËÙÂʽöÓɹìµÀ°ë¾¶È·¶¨ | |
| B£® | ·ÅÔÚ·É´¬µ×°åÉϵÄÎïÌå¶Ôµ×°åµÄѹÁ¦ÎªÁã | |
| C£® | ÔÚ·É´¬ÀïÃæ²»ÄÜÓõ¯»É³Ó²âÁ¿ÀÁ¦ | |
| D£® | ÔÚ·É´¬ÀïÃæ²»ÄÜÓÃÌìÆ½²âÁ¿ÖÊÁ¿ |
16£®ÔÚ¹ú¼Êµ¥Î»ÖÆÖУ¬Á¦Ñ§ÖеÄÈý¸ö»ù±¾µ¥Î»ÊÇ£¨¡¡¡¡£©
| A£® | kg¡¢m¡¢m/s2 | B£® | kg¡¢m¡¢s | C£® | A¡¢m¡¢N | D£® | kg¡¢m/s2¡¢N |