£¨6·Ö£©Ä³Í¬Ñ§Îª¹À²âĦÍгµÔÚË®Äà·ÃæÉÏÐÐʻʱËùÊܵÄÇ£ÒýÁ¦£¬Éè¼ÆÁËÏÂÊöʵÑ飺½«ÊäÒºÓõÄ500ml²£Á§Æ¿×°ÊÊÁ¿Ë®ºó£¬Á¬Í¬ÊäÒº¹ÜÒ»Æð°óÔÚĦÍгµÉÏ£¬µ÷½ÚÊäÒº¹ÜµÄµÎË®Ëٶȣ¬¸ÕºÃÿ¸ô1.0sµÎÒ»µÎ£¬¸ÃͬѧÆïĦÍгµ£¬ÏÈʹ֮¼ÓËÙµ½Ä³Ò»Ëٶȣ¬È»ºóϨ»ð£¬ÈÃĦÍгµÑØÖ±Ïß»¬ÐУ¬ÈçͼËùʾÊÇij´ÎʵÑéÖÐÔÚË®Äà·ÃæÉϵIJ¿·ÖË®µÎ£¨×ó²àÊÇÆðµã£©£®Éè¸ÃͬѧÖÊÁ¿Îª50kg£¬Ä¦ÍгµµÄÖÊÁ¿Îª75kg£¬µ±µØÖØÁ¦¼ÓËÙ¶ÈΪg=10m/s2¡£Ôò¸ù¾Ý¸ÃͬѧµÄ²âÁ¿½á¹û¿É¹ÀËã³ö£º£¨Í¼Öг¤¶Èµ¥Î»£ºm£©
£¨1£©ÆïĦÍгµ¾¹ýDµãʱËٶȴóСΪ m/s£»
£¨2£©ÆïĦÍгµ¼ÓËÙʱµÄ¼ÓËٶȴóСΪ m/s2£»
£¨3£©ÆïĦÍгµÏ¨»ðºóËùÊÜ×èÁ¦´óСΪ N¡£
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´£º ÌâÐÍ£ºÊµÑéÌâ
ijѧϰС×é×ö̽¾¿¡°ºÏÁ¦µÄ¹¦ºÍÎïÌåËٶȱ仯¹Øϵ¡±µÄʵÑéÈçÏÂͼ£¬Í¼ÖÐС³µÊÇÔÚÒ»ÌõÏðƤ½î×÷ÓÃϵ¯³ö£¬ÑØľ°å»¬ÐÐÖÁËÙ¶È×î´ó£¬Õâʱ£¬ÏðƤ½î¶ÔС³µ×öµÄ¹¦¼ÇΪW.Ö®ºóÓÃ2Ìõ¡¢3Ìõ¡¡ÍêÈ«ÏàͬµÄÏðƤ½î²¢ÔÚÒ»Æð½øÐеÚ2´Î¡¢µÚ3´Î¡¡ÊµÑ飮ÿ´ÎʵÑéÖÐС³µ»ñµÃµÄËÙ¶ÈÓÉ´òµã¼ÆʱÆ÷Ëù´òµÄÖ½´ø²â³ö£®
£¨1£©Îª±£Ö¤¸÷´ÎÀÁ¦×ö¹¦´óСÓëµÚÒ»´Î³ÉÕûÊý±¶¹Øϵ£¬³ýÁËÏðƤ½î¹æ¸ñÒªÇóÒ»ÑùÍ⣬ÿ´ÎʵÑéÖÐÒªÇó___________________
£¨2£©Èôľ°åˮƽ·ÅÖã¬Ð¡³µÔÚÁ½ÌõÏðƤ½î×÷ÓÃÏÂÔ˶¯£¬µ±Ð¡³µËÙ¶È×î´óʱ£¬¹ØÓÚÏðƤ½îËù´¦µÄ״̬ÓëС³µËùÔÚµÄλÖã¬ÏÂÁÐ˵·¨ÕýÈ·µÄÊÇ________£®
A£®ÏðƤ½î´¦ÓÚÔ³¤×´Ì¬
B£®ÏðƤ½îÈÔ´¦ÓÚÉ쳤״̬
C£®Ð¡³µÔÚÁ½¸öÌú¶¤µÄÁ¬Ïß´¦
D£®Ð¡³µÒѹýÁ½¸öÌú¶¤µÄÁ¬Ïß
£¨3£©ÊµÑéÖС°Æ½ºâĦ²ÁÁ¦¡±Õâ¸ö²Ù×÷µÄÄ¿µÄÊÇ______
A¡¢Ê¹Ä¦²ÁÁ¦Ïûʧ B¡¢Ê¹Ð¡³µºÏÁ¦µÈÓÚÏðƤ½îÀÁ¦ C¡¢Ôö´óС³µËÙ¶È
²é¿´´ð°¸ºÍ½âÎö>>
¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º ÌâÐÍ£ºÊµÑéÌâ
ijͬѧÓÃÁ½¸öµ¯»É²âÁ¦¼Æ¡¢Ò»¸ùÏðƤ½î¡¢Ï¸ÉþÌס¢Èý½Ç°å¼°ÌùÓа×Ö½µÄ·½Ä¾°åµÈÆ÷²Ä£¬½øÐС°ÑéÖ¤Á¦µÄƽÐÐËıßÐζ¨Ôò¡±µÄʵÑé¡£ÈçͼËùʾÊǸÃͬѧÒÀ¾ÝʵÑé¼Ç¼×÷ͼµÄʾÒâͼ¡£ÆäÖÐAµãÊÇÏðƤ½îÔÚ°×Ö½ÉϵĹ̶¨µã£¬OµãÊÇ´Ë´ÎʵÑéÖÐÓõ¯»É²âÁ¦¼Æ½«ÏðƤ½îµÄ»î¶¯¶ËÀÉìµ½µÄλÖ᣹ØÓÚ´ËʵÑ飬ÏÂÁÐ˵·¨ÖÐÕýÈ·µÄÊÇ
A£®Ö»Ðè¼Ç¼ÀÁ¦µÄ´óС |
B£®ÀÁ¦·½ÏòÓ¦Óëľ°åƽÃæƽÐÐ |
C£®Í¼3ÖÐF¡ä±íʾÀíÂ۵ĺÏÁ¦£¬F±íʾʵÑé²â³öµÄºÏÁ¦ |
D£®¸Ä±äÀÁ¦£¬½øÐжà´ÎʵÑ飬²¢×÷³ö¶à¸öƽÐÐËıßÐΣ¬µ«Ã¿¸öËıßÐÎÖеÄOµãλÖò»Ò»¶¨Ïàͬ |
²é¿´´ð°¸ºÍ½âÎö>>
¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º ÌâÐÍ£ºÊµÑéÌâ
ÈçͼËùʾ£¬Ò»¶Ë´øÓж¨»¬Âֵij¤Ä¾°åÉϹ̶¨Óмס¢ÒÒÁ½¸ö¹âµçÃÅ£¬ÓëÖ®ÏàÁ¬µÄ¼ÆʱÆ÷¿ÉÒÔÏÔʾ´øÓÐÕÚ¹âƬµÄС³µÔÚÆä¼äµÄÔ˶¯Ê±¼ä£¬Óë¿ç¹ý¶¨»¬ÂÖµÄÇáÖÊϸÉþÏàÁ¬µÄÇáÖʲâÁ¦¼ÆÄÜÏÔʾ¹Ò¹³´¦ËùÊܵÄÀÁ¦¡£²»¼Æ¿ÕÆø×èÁ¦¼°Ò»ÇÐĦ²Á¡£
(1)ÔÚ̽¾¿¡°ºÏÍâÁ¦Ò»¶¨Ê±£¬¼ÓËÙ¶ÈÓëÖÊÁ¿µÄ¹Øϵ¡±Ê±£¬ÒªÊ¹²âÁ¦¼ÆµÄʾÊýµÈÓÚС³µËùÊܺÏÍâÁ¦£¬²Ù×÷ÖбØÐëÂú×ã_______£»ÒªÊ¹Ð¡³µËùÊܺÏÍâÁ¦Ò»¶¨£¬²Ù×÷ÖбØÐëÂú×ã__________¡£
ʵÑéʱ£¬ÏȲâ³öС³µÖÊÁ¿m£¬ÔÙÈÃС³µ´Ó¿¿½ü¹âµçÃż״¦Óɾ²Ö¹¿ªÊ¼Ô˶¯£¬¶Á³öС³µÔÚÁ½¹âµçÃÅÖ®¼äµÄÔ˶¯Ê±¼ät¡£¸Ä±äС³µÖÊÁ¿m£¬²âµÃ¶à×ém¡¢tµÄÖµ£¬½¨Á¢×ø±êϵÃèµã×÷³öͼÏß¡£ÏÂÁÐÄÜÖ±¹ÛµÃ³ö¡°ºÏÍâÁ¦Ò»¶¨Ê±£¬¼ÓËÙ¶ÈÓëÖÊÁ¿³É·´±È¡±µÄͼÏßÊÇ________¡£
(2)Èçͼ¼×£¬Ì§¸ß³¤Ä¾°åµÄ×ó¶Ë£¬Ê¹Ð¡³µ´Ó¿¿½ü¹âµçÃÅÒÒ´¦Óɾ²Ö¹¿ªÊ¼Ô˶¯£¬¶Á³ö²âÁ¦¼ÆµÄʾÊýFºÍС³µÔÚÁ½¹âµçÃÅÖ®¼äµÄÔ˶¯Ê±¼ät0£¬¸Ä±äľ°åÇã½Ç£¬²âµÃ¶à×éÊý¾Ý£¬µÃµ½µÄF£µÄͼÏßÈçͼÒÒËùʾ¡£
ʵÑéÖвâµÃÁ½¹âµçÃŵľàÀëL£½0.80 m£¬É°ºÍÉ°Í°µÄ×ÜÖÊÁ¿m1£½0.34 kg£¬ÖØÁ¦¼ÓËÙ¶ÈgÈ¡9.8 m/s2£¬ÔòͼÏßµÄбÂÊΪ_______(½á¹û±£ÁôÁ½Î»ÓÐЧÊý×Ö)£»ÈôС³µÓ볤ľ°å¼äµÄĦ²Á²»ÄܺöÂÔ£¬²âµÃµÄͼÏßбÂʽ«________(Ìî¡°±ä´ó¡±¡¢¡°±äС¡±»ò¡°²»±ä¡±)¡£
²é¿´´ð°¸ºÍ½âÎö>>
¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º ÌâÐÍ£ºÊµÑéÌâ
ΪÁ˲âÁ¿Ä³Ò»µ¯»ÉµÄ¾¢¶ÈϵÊý£¬½«¸Ãµ¯»ÉÊúÖ±Ðü¹ÒÆðÀ´£¬ÔÚ×ÔÓɶ˹ÒÉϲ»Í¬ÖÊÁ¿µÄíÀÂ룮ʵÑé²â³öÁËíÀÂëÖÊÁ¿mÓ뵯»É³¤¶ÈlµÄÏàÓ¦Êý¾Ý£¬Æä¶ÔÓ¦µãÒÑÔÚͼÉϱê³ö£®(g£½9.8 m/s2)
(1)×÷³öm£LµÄ¹ØϵͼÏߣ»
(2)µ¯»ÉµÄ¾¢¶ÈϵÊýΪ__________ N/m(½á¹û±£ÁôÈýλÓÐЧÊý×Ö)£®
²é¿´´ð°¸ºÍ½âÎö>>
¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º ÌâÐÍ£ºÊµÑéÌâ
ÔÚ×ö¡°Ñо¿ÔȱäËÙÖ±ÏßÔ˶¯¡±µÄʵÑéʱ£¬Ä³Í¬Ñ§µÃµ½Ò»ÌõÓõç»ð»¨¼ÆʱÆ÷´òϵÄÖ½´øÈçͼ¼×Ëùʾ£¬²¢ÔÚÆäÉÏÈ¡ÁËA¡¢B¡¢C¡¢D¡¢E¡¢F¡¢G 7¸ö¼ÆÊýµã£¬Ã¿ÏàÁÚÁ½¸ö¼ÆÊýµã¼ä»¹ÓÐ4¸öµãͼÖÐûÓл³ö£¬µç»ð»¨¼ÆʱÆ÷½Ó220V¡¢ 50Hz½»Á÷µçÔ´¡£Ëû¾¹ý²âÁ¿²¢¼ÆËãµÃµ½µç»ð»¨¼ÆʱÆ÷ÔÚ´òB¡¢C¡¢D¡¢E¡¢F¸÷µãʱÎïÌåµÄ˲ʱËÙ¶ÈÈçÏÂ±í£º
¶ÔÓ¦µã | B | C | D | E | F |
Ëٶȣ¨m/s£© | 0.141 | 0.180 | 0.218 | 0.262 | 0.301 |
²é¿´´ð°¸ºÍ½âÎö>>
¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º ÌâÐÍ£ºÊµÑéÌâ
£¨8·Ö£©¡°Ì½¾¿¶¯Äܶ¨Àí¡±µÄʵÑé×°ÖÃÈçͼËùʾ£¬µ±Ð¡³µÔÚÁ½ÌõÏðƤ½î×÷ÓÃϵ¯³öʱ£¬ÏðƤ½î¶ÔС³µ×öµÄ¹¦¼ÇΪW0¡£µ±ÓÃ4Ìõ¡¢6Ìõ¡¢8Ìõ¡¡ÍêÈ«ÏàͬµÄÏðƤ½î²¢ÔÚÒ»Æð½øÐеÚ2´Î¡¢µÚ3´Î¡¢µÚ4´Î¡¡ÊµÑéʱ£¬ÏðƤ½î¶ÔС³µ×öµÄ¹¦¼ÇΪ2W0¡¢3W0¡¢4W0¡¡£¬Ã¿´ÎʵÑéÖÐÓɾ²Ö¹µ¯³öµÄС³µ»ñµÃµÄ×î´óËٶȾù¿ÉÓÉ´òµã¼ÆʱÆ÷Ëù´òµÄÖ½´ø²â³ö¡£
£¨1£©¹ØÓÚ¸ÃʵÑ飬ÏÂÁÐ˵·¨ÕýÈ·µÄÊÇ£¨ £©
A£®Ã¿´ÎʵÑéÖÐӦʹС³µ´ÓͬһλÖÃÓɾ²Ö¹µ¯³ö
B£®ÀûÓÃÿ´Î²â³öµÄС³µ×î´óËÙ¶ÈvmºÍÏðƤ½î×öµÄ¹¦W£¬ÒÀ´Î×ö³öW£vm¡¢W£vm2¡¢W£vm3¡¢W2£vm¡¢W3£vm¡¡µÄͼÏ󣬵óöºÏÁ¦×ö¹¦ÓëÎïÌåËٶȱ仯µÄ¹Øϵ¡£
C£®´òµã¼ÆʱÆ÷¿ÉÒÔÓÃÖ±Á÷µçÔ´¹©µç£¬µçѹΪ4~6V
D£®ÊµÑéÖÐʹÓõÄÈô¸É¸ùÏðƤ½îµÄÔ³¤¿ÉÒÔ²»ÏàµÈ
£¨2£©ÏÂͼ¸ø³öÁËij´ÎÔÚÕýÈ·²Ù×÷Çé¿öÏ´ò³öµÄÖ½´ø£¬´ÓÖнØÈ¡Á˲âÁ¿ÎïÌå×î´óËÙ¶ÈËùÓõÄÒ»¶ÎÖ½´ø£¬²âµÃOµãµ½A¡¢B¡¢C¡¢D¡¢E¸÷µãµÄ¾àÀë·Ö±ðΪOA=5.65cm£¬OB=7.12cm£¬OC=8.78cm£¬OD=10.44cm£¬OE=12.10cm¡£ÒÑÖªÏàÁÚÁ½µãʱ¼ä¼ä¸ôΪ0.02s£¬ÔòС³µ»ñµÃµÄ×î´óËÙ¶Èvm=__m/s¡£
²é¿´´ð°¸ºÍ½âÎö>>
¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º ÌâÐÍ£ºÊµÑéÌâ
ÔÚ¡°²â¶¨½ðÊôË¿µÄµç×èÂÊ¡±µÄʵÑéÖУ¬Ä³Í¬Ñ§½øÐÐÁËÈçϲâÁ¿£º
(1)ÓúÁÃ׿̶ȳ߲âÁ¿½ÓÈëµç·Öеı»²â½ðÊôË¿µÄÓÐЧ³¤¶È£®²âÁ¿3´Î£¬Çó³öÆäƽ¾ùÖµl£®ÆäÖÐÒ»´Î²âÁ¿½á¹ûÈçͼ¼×Ëùʾ£¬½ðÊôË¿µÄÁíÒ»¶ËÓë¿Ì¶È³ßµÄÁã¿ÌÏ߶ÔÆ룬ͼÖжÁÊýΪ¡¡¡¡¡¡¡¡cm£®ÓÃÂÝÐý²â΢Æ÷²âÁ¿½ðÊôË¿µÄÖ±¾¶£¬Ñ¡²»Í¬µÄλÖòâÁ¿3´Î£¬Çó³öÆäƽ¾ùÖµd£®ÆäÖÐÒ»´Î²âÁ¿½á¹ûÈçͼÒÒËùʾ£¬Í¼ÖжÁÊýΪ¡¡¡¡ ¡¡¡¡mm£®
(2)²ÉÓÃÈçͼËùʾµÄµç·²âÁ¿½ðÊôË¿µÄµç×è¡£µç×èµÄ²âÁ¿Öµ±ÈÕæʵֵ¡¡¡¡¡¡¡¡(Ìî¡°Æ«´ó¡±»ò¡°Æ«Ð¡¡±)£®×îºóÓɹ«Ê½¦Ñ£½¡¡¡¡¡¡¡¡¼ÆËã³ö½ðÊôË¿µÄµç×èÂÊ(ÓÃÖ±½Ó²âÁ¿µÄÎïÀíÁ¿±íʾ)£®
(3)ÇëÄã¸ù¾ÝͼËùʾµç·ͼÔÚͼÖнøÐÐʵÎïÁ¬Ïߣ®(µçÁ÷±íÑ¡0.6 AÁ¿³Ì£¬µçѹ±íÑ¡3 VÁ¿³Ì)
²é¿´´ð°¸ºÍ½âÎö>>
¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º ÌâÐÍ£ºÊµÑéÌâ
ijͬѧÀûÓÃÈçͼ1ËùʾµÄʵÑé×°ÖÃÑéÖ¤»úеÄÜÊغ㶨ÂÉ.
£¨1£©ÇëÖ¸³ö¸ÃͬѧÔÚʵÑé²Ù×÷ÖдæÔÚµÄÁ½´¦Ã÷ÏÔ´íÎó»ò²»µ±£º
¢Ù £»¢Ú £»
£¨2£©¸Ãͬѧ¾ÕýÈ·²Ù×÷µÃµ½ÈçÏÂͼ2ËùʾµÄÖ½´ø£¬È¡Á¬ÐøµÄÁù¸ö´òµÄµãA¡¢B¡¢C¡¢D¡¢E¡¢FΪ¼ÆÊýµã£¬²âµÃµãAµ½B¡¢C¡¢D¡¢E¡¢FµÄ¾àÀë·Ö±ðΪh1¡¢h2¡¢h3¡¢h4¡¢h5£®Èô´òµãµÄƵÂÊΪf£¬Ôò´òEµãʱÖØÎïËٶȵıí´ïʽΪ£º .
£¨3£©ÈôÀûÓôË×°ÖòâÁ¿µ±µØµÄÖØÁ¦¼ÓËٶȣ¬Ôò= ¡£
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