(9·Ö)ijͬѧÔÚÑо¿ÐÔѧϰÖгä·ÖÀûÓôòµã¼ÆʱÆ÷Õë¶Ô×ÔÓÉÂäÌåÔ˶¯½øÐÐÁËÈçÏÂÈý¸öÎÊÌâµÄÉîÈëÑо¿£º
(1)µ±µØµÄÖØÁ¦¼ÓËÙ¶ÈÊǶàÉÙ£¿
(2)ÈçºÎ²â¶¨ÎïÌåÏÂÂä¹ý³ÌÖÐijһλÖõÄËٶȣ¿
(3)ÏÂÂä¹ý³ÌÖлúеÄÜÊÇ·ñÊغ㣿
´ËͬѧÒÀ¾ÝÕâЩÎÊÌâÉè¼ÆÁËÈçÏÂʵÑé·½°¸£º
Èçͼ9¼×Ëùʾ£¬½«´òµã¼ÆʱÆ÷(ƵÂÊΪf)¹Ì¶¨ÔÚÌú¼Ų̈ÉÏ£¬ÏÈ´ò¿ªµçÔ´¶øºóÊÍ·ÅÖØÎÖØÎï´ø¶¯Ö½´ø´Ó¾²Ö¹¿ªÊ¼ÏÂÂ䣬´ò³ö¼¸ÌõÖ½´ø²¢ÔÚÆäÖÐÑ¡³öÒ»Ìõ±È½ÏÀíÏëµÄÖ½´øÈçͼÒÒËùʾ£®ÔÚÖ½´øÉÏÈ¡³öÈô¸É¼ÆÊýµã£¬ÆäÖÐÿÁ½¸ö¼ÆÊýµãÖ®¼äÓÐËĸöµãδ»³ö£®
ͼ9
¢Ù£¨2·Ö£©ËùÐèÆ÷²ÄÓдòµã¼ÆʱÆ÷(´øµ¼Ïß)¡¢Ö½´ø¡¢¸´Ð´Ö½¡¢´øÌú¼ÐµÄÌú¼Ų̈ºÍ´ø¼Ð×ÓµÄÖØÎ´ËÍ⻹Ðè________(Ìî×Öĸ´úºÅ)ÖеÄÆ÷²Ä£®
A£®½»Á÷µçÔ´¡¢Ììƽ¼°ºÁÃ×¿Ì¶È³ß B£®½»Á÷µçÔ´¡¢ºÁÃ׿̶ȳß
C£®½»Á÷µçÔ´¡¢ºÁÃ׿̶ȳ߼°íÀÂë D£®½»Á÷µçÔ´¡¢Ììƽ¼°íÀÂë
¢Ú£¨2·Ö£©¼ÆËãµ±µØÖØÁ¦¼ÓËÙ¶Èg£½________.(ÓÃf¡¢x2¡¢x5±íʾ)
¢Û£¨3·Ö£©ÎªÁËÌá¸ßʵÑéµÄ׼ȷ³Ì¶È£¬¸ÃͬѧÓÃͼÏó·¨ÌÞ³ýżȻÎó²î½Ï´óµÄÊý¾Ý£¬ÎªÊ¹Í¼ÏßµÄбÂʵÈÓÚÖØÁ¦¼ÓËٶȣ¬³ý×öv£tͼÏóÍ⣬»¹¿É×÷________ͼÏó£¬Æä×ÝÖá±íʾµÄÊÇ________£¬ºáÖá±íʾµÄÊÇ________£®
¢Ü£¨2·Ö£©ÈçͼÒÒËùʾ£¬´ò¼ÆÊýµã5ʱÖØÎïµÄËÙ¶Èv5£½________.(ÓÃf¡¢x3¡¢x4¡¢x5±íʾ)
Ä꼶 | ¸ßÖÐ¿Î³Ì | Ä꼶 | ³õÖÐ¿Î³Ì |
¸ßÒ» | ¸ßÒ»Ãâ·Ñ¿Î³ÌÍƼö£¡ | ³õÒ» | ³õÒ»Ãâ·Ñ¿Î³ÌÍƼö£¡ |
¸ß¶þ | ¸ß¶þÃâ·Ñ¿Î³ÌÍƼö£¡ | ³õ¶þ | ³õ¶þÃâ·Ñ¿Î³ÌÍƼö£¡ |
¸ßÈý | ¸ßÈýÃâ·Ñ¿Î³ÌÍƼö£¡ | ³õÈý | ³õÈýÃâ·Ñ¿Î³ÌÍƼö£¡ |
¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º2013½ìºÚÁú½Ê¡¸ß¶þÏÂѧÆÚÆÚÄ©¿¼ÊÔÎïÀíÊÔ¾í£¨½âÎö°æ£© ÌâÐÍ£ºÊµÑéÌâ
ÈçͼËùʾ£¬ÊÇijͬѧÔÚ¡°Ñо¿ÔȱäËÙÖ±ÏßÔ˶¯¡±µÄʵÑéÖдò³öµÄÒ»ÌõÖ½´ø£¬Í¼ÖÐÿÏàÁÚÁ½¸ö¼ÆÊýµãÖ®¼ä»¹ÓÐËĸöµãûÓл³ö¡£´òµã¼ÆʱÆ÷µÄƵÂÊÊÇ50Hz¡£²âµÃ¸÷ÏàÁÚ¼ÆÊýµãÖ®¼ä¾àÀë·Ö±ðÊÇ AB=1.50cm£¬BC=3.00cm£¬CD=4.50cm£¬DE=6.00cm£¬EF=7.50cm£¬FG=9.00cm¡£Ôò£¬¼ÓËÙ¶Èa = . m/s2£¬´òCµãʱµÄËÙ¶Èvc = m/s £¨±£ÁôÈýλÓÐЧÊý×Ö£©
²é¿´´ð°¸ºÍ½âÎö>>
¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º2011ÄêºþÄÏÊ¡¸ßÒ»ÎïÀíÉÏѧÆÚÆÚÖп¼ÊÔÎïÀí¾í ÌâÐÍ£ºÊµÑéÌâ
ÈçͼËùʾ£¬ÊÇijͬѧÔÚ¡°Ñо¿ÔȱäËÙÖ±ÏßÔ˶¯¡±µÄʵÑéÖдò³öµÄÒ»ÌõÖ½´ø£¬Í¼ÖÐÿÏàÁÚÁ½¸ö¼ÆÊýµãÖ®¼ä»¹ÓÐËĸöµãûÓл³ö¡£´òµã¼ÆʱÆ÷µÄƵÂÊÊÇ50Hz¡£²âµÃ¸÷ÏàÁÚ¼ÆÊýµãÖ®¼ä¾àÀë·Ö±ðÊÇ AB=1.50cm£¬BC=3.00cm£¬CD=4.50cm£¬DE=6.00cm£¬EF=7.50cm£¬FG=9.00cm¡£Ôò£¬¼ÓËÙ¶Èa = m/s2£¬´òCµãʱµÄËÙ¶Èvc = m/s
²é¿´´ð°¸ºÍ½âÎö>>
¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º2014½ì¶ÈºþÄÏÊ¡¸ßÒ»ÉÏѧÆÚÆÚÖÐÎïÀí¾í ÌâÐÍ£ºÌî¿ÕÌâ
ÈçͼËùʾ£¬ÊÇijͬѧÔÚ¡°Ñо¿ÔȱäËÙÖ±ÏßÔ˶¯¡±µÄʵÑéÖдò³öµÄÒ»ÌõÖ½´ø£¬Í¼ÖÐÿÏàÁÚÁ½¸ö¼ÆÊýµãÖ®¼ä»¹ÓÐËĸöµãûÓл³ö¡£´òµã¼ÆʱÆ÷µÄƵÂÊÊÇ50Hz¡£²âµÃ¸÷ÏàÁÚ¼ÆÊýµãÖ®¼ä¾àÀë·Ö±ðÊÇ AB=1.50cm£¬BC=3.00cm£¬CD=4.50cm£¬DE=6.00cm£¬EF=7.50cm£¬FG=9.00cm¡£Ôò£¬¼ÓËÙ¶Èa = m/s2£¬´òCµãʱµÄËÙ¶Èvc = m/s
²é¿´´ð°¸ºÍ½âÎö>>
¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º ÌâÐÍ£º
£¨ 8·Ö£©Ä³Í¬Ñ§ÔÚʵÑéÊÒÓÃÈçͼËùʾµÄ×°ÖÃÀ´Ñо¿ÓйØ×ö¹¦µÄÎÊÌâ¡£
£¨1£©Èçͼ¼×£¬ÔÚ±£³ÖM>>mÌõ¼þÏ£¬¿ÉÒÔÈÏΪÉþ¶ÔС³µµÄÀÁ¦½üËƵÈÓÚɳºÍɳͰµÄ×ÜÖØÁ¦£¬ÔÚ¿ØÖÆС³µµÄÖÊÁ¿²»±äµÄÇé¿öϽøÐÐʵÑé¡£ ÔÚʵÑéÖУ¬¸ÃͬѧÏȽÓͨ´òµã¼ÆʱÆ÷µÄµçÔ´£¬ÔÙ·Å¿ªÖ½´ø£¬ÈçͼÒÒÊÇÔÚm=100g£¬M=1kgÇé¿öÏ´ò³öµÄÒ»ÌõÖ½´ø£¬OΪÆðµã£¬A¡¢B¡¢CΪ¹ý³ÌÖеÄÈý¸öÏàÁڵļÆÊýµã£¬ÏàÁڵļÆÊýµãÖ®¼äÓÐËĸöµãûÓбê³ö£¬ÓйØÊý¾ÝÈçͼÒÒ£¬Ôò´òBµãʱС³µµÄ¶¯ÄÜΪEk= J£¬´Ó¿ªÊ¼Ô˶¯µ½´ò»÷Bµãʱ£¬ÉþµÄÀÁ¦¶ÔС³µ×ö¹¦W= J¡££¨±£Áô2λÓÐЧÊý×Ö£©£¨g=9.8m/s2£©
£¨2£©ÔÚµÚ£¨1£©ÖÐÉþµÄÀÁ¦¶ÔС³µ×ö¹¦W´óÓÚС³µ»ñµÃµÄ¶¯ÄÜEK£¬ÇëÄã¾Ù³öµ¼ÖÂÕâÒ»½á¹ûµÄÖ÷ÒªÔÒò £¨Ð´³öÒ»ÖÖ¼´¿É£©
£¨3£©Ä³Í¬Ñ§ÔÚ±¾´ÎʵÑéÖУ¬ÊÍ·ÅɳͰÀ×ÅÖ½´øÔ˶¯£¬´ò³öÒ»ÌõÖ½´ø¡£²Ù×÷ʱӦ
A£®ÏÈÊÍ·ÅÖ½´øÔÙÆô¶¯¼ÆʱÆ÷
B£®ÏÈÆô¶¯¼ÆʱÆ÷ÔÙÊÍ·ÅÖ½´ø
C£®Á½Î»Í¬Ñ§Ð×÷£¬¾¡Á¿×öµ½Í¬Ê±Æô¶¯¼ÆʱÆ÷ÓëÊÍ·ÅÖ½´ø
D£®ÔÚÖ½´øÉÏ´òµãÍê±ÏºóÁ¢¼´¹Ø±ÕµçÔ´
²é¿´´ð°¸ºÍ½âÎö>>
¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º ÌâÐÍ£º
ÈçͼËùʾ£¬ÊÇijͬѧÔÚ¡°Ñо¿ÔȱäËÙÖ±ÏßÔ˶¯¡±µÄʵÑéÖдò³öµÄÒ»ÌõÖ½´ø£¬Í¼ÖÐÿÏàÁÚÁ½¸ö¼ÆÊýµãÖ®¼ä»¹ÓÐËĸöµãûÓл³ö¡£´òµã¼ÆʱÆ÷µÄƵÂÊÊÇ50Hz¡£²âµÃ¸÷ÏàÁÚ¼ÆÊýµãÖ®¼ä¾àÀë·Ö±ðÊÇ AB=1.50cm£¬BC=3.00cm£¬CD=4.50cm£¬DE=6.00cm£¬EF=7.50cm£¬FG=9.00cm¡£Ôò£¬¼ÓËÙ¶Èa = m/s2£¬´òCµãʱµÄËÙ¶Èvc = m/s
²é¿´´ð°¸ºÍ½âÎö>>
°Ù¶ÈÖÂÐÅ - Á·Ï°²áÁбí - ÊÔÌâÁбí
ºþ±±Ê¡»¥ÁªÍøÎ¥·¨ºÍ²»Á¼ÐÅÏ¢¾Ù±¨Æ½Ì¨ | ÍøÉÏÓк¦ÐÅÏ¢¾Ù±¨×¨Çø | µçÐÅթƾٱ¨×¨Çø | ÉæÀúÊ·ÐéÎÞÖ÷ÒåÓк¦ÐÅÏ¢¾Ù±¨×¨Çø | ÉæÆóÇÖȨ¾Ù±¨×¨Çø
Î¥·¨ºÍ²»Á¼ÐÅÏ¢¾Ù±¨µç»°£º027-86699610 ¾Ù±¨ÓÊÏ䣺58377363@163.com