ÔÚÀûÓòåÕë·¨²â¶¨²£Á§×©ÕÛÉäÂʵÄʵÑéÖУº

(1)ÕÅÃ÷ͬѧÔÚÖ½ÉÏÕýÈ·»­³ö²£Á§×©µÄÁ½¸ö½çÃæaa¡äºÍbb¡äºó£¬²»×Ô¾õµØÅöÁ˲£Á§×©Ê¹ËüÏòaa¡ä·½ÏòƽÒÆÁËÉÙÐí£¬Èçͼ¼×Ëùʾ£¬ÔòËû²â³öµÄÕÛÉäÂÊÖµ½«__________(Ñ¡Ìî¡°Æ«´ó¡±¡°Æ«Ð¡¡±»ò¡°²»±ä¡±)£®
(2)ÀîÑïͬѧÔÚ»­½çÃæʱ£¬²»×Ô¾õµØ½«Á½½çÃæaa¡ä¡¢bb¡ä¼ä¾à»­µÃ±È²£Á§×©¿í¶È´óЩ£¬ÈçͼÒÒËùʾ£¬ÔòËû²âµÃµÄÕÛÉäÂʽ«__________(Ñ¡Ìî¡°Æ«´ó¡±¡°Æ«Ð¡¡±»ò¡°²»±ä¡±)

²»±ä  ±äС

½âÎöÊÔÌâ·ÖÎö£º
¸ù¾Ý¼×ͼ¿É¿´³ö£¬Èç¹ûÕû¸ö²£Á§×©Æ½ÒÆ£¬²âµÃµÄÕÛÉä½ÇÊDz»±äµÄ£¬ËãµÃµÄÕÛÉäÂÊÒ²²»ÊÜÓ°ÏìµÄ£»ÓÉÒÒͼ¿É¿´³öÈç¹û½«Á½½çÃæaa¡ä¡¢bb¡ä¼ä¾à»­µÃ±È²£Á§×©¿í¶È´óЩ£¬Ôò²âµÃµÄÕÛÉä½Ç½«±ä´ó£¬ËãµÃµÄÕÛÉäÂʽ«¼õС¡£

¿¼µã£º²åÕë·¨²â²£Á§×©µÄÕÛÉäÂÊ¡£

Á·Ï°²áϵÁдð°¸
Ïà¹ØÏ°Ìâ

¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º ÌâÐÍ£ºÊµÑéÌâ

ÈçͼΪ¡°Ñо¿µç´Å¸ÐÓ¦ÏÖÏó¡±µÄʵÑé×°Öá£

(1)½«Í¼ÖÐËùȱµÄµ¼Ïß²¹½ÓÍêÕû¡£
(2)Èç¹ûÔڱպϵç¼üʱ·¢ÏÖÁéÃôµçÁ÷¼ÆµÄÖ¸ÕëÏòÓÒÆ«ÁËһϣ¬ÄÇôºÏÉϵç¼üºó¿ÉÄÜÏÖµÄÇé¿öÓУº
A£®½«Ô­ÏßȦѸËÙ²åÈ븱ÏßȦʱ£¬ÁéÃôµçÁ÷¼ÆÖ¸Õ뽫____________¡£
B£®Ô­ÏßȦ²åÈ븱ÏßȦºó£¬½«»¬¶¯±ä×èÆ÷´¥Í·Ñ¸ËÙÏò×óÀ­Ê±£¬ÁéÃôµçÁ÷¼ÆÖ¸Õë___________¡£

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º ÌâÐÍ£ºÊµÑéÌâ

£¨10·Ö£©Ð¡·¼ºÍСÃ÷ͬѧÀûÓÃÈçͼËùʾµÄ×°ÖÃ̽¾¿¹¦ÓëÎïÌåËٶȱ仯¹Øϵ£¬Ð¡³µÔÚÏðƤ½îµÄ×÷ÓÃÏÂÑØ×Åľ°å»¬ÐС£ÊµÑéÖУº

¢ÅΪÁËƽºâС³µÔ˶¯ÖÐÊܵ½µÄ×èÁ¦£¬Ó¦¸Ã²ÉÓÃÏÂÃæµÄ   ·½·¨£¨Ìî¡°a¡±¡¢¡°b¡±¡¢¡°c¡±£©¡£
£¨a£©Öð²½µ÷½Úľ°åµÄÇãб³Ì¶È£¬Ê¹¾²Ö¹µÄС³µ¿ªÊ¼Ô˶¯
£¨b£©Öð²½µ÷½Úľ°åµÄÇãб³Ì¶È£¬Ê¹Ð¡³µÔÚľ°åÉϱ£³Ö¾²Ö¹
£¨c£©Öð²½µ÷½Úľ°åµÄÇãб³Ì¶È£¬Ê¹¼ÐÔÚС³µºóÃæµÄÖ½´øÉÏËù´ò³öµÄµã¼ä¸ô¾ùÔÈ
¢Æ¶ÔÓÚÏðƤ½îºÍС³µÁ¬½ÓµÄÎÊÌ⣬Á½Î»Í¬Ñ§·Ö±ð²ÉÓÃÏÂͼÖмס¢ÒÒÁ½ÖÖ½Ó·¨¡£ÎªÄܸüÓÐÀûÓÚ²âËãС³µ»ñµÃµÄËٶȣ¬ÄãÈÏΪ       ½Ó·¨¸üºÏÀíЩ£¨Ìî¡°¼×¡±»ò¡°ÒÒ¡±£©¡£

¢Ç°´ÉÏÊöºÏÀíµÄÁ¬½Ó·½Ê½½øÐÐʵÑéʱ£¬ÏÂÁÐËÄÌõÖ½´øÖÐÄÄÒ»ÌõÊDzÙ×÷ʱ¿ÉÄܵõ½µÄÖ½´ø£¿£¨    £©

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º ÌâÐÍ£ºÊµÑéÌâ

ijС×éÔÚ̽¾¿¡°ºÏÍâÁ¦×ö¹¦ÓëÎïÌ嶯ÄÜÔö¼ÓÁ¿µÄ¹Øϵ¡±£¬Éè¼ÆÁËÈçͼװÖá£

¢ÙÏÖÓдòµã¼ÆʱÆ÷£¨º¬Ö½´ø¡¢¸´Ð´Ö½£©¡¢Ð¡³µ¡¢Ò»¶Ë´ø»¬Âֵij¤Ä¾°å¡¢Ï¸Éþ¡¢¹³Â롢СɳͰ£¬µ¼Ïß¼°¿ª¹ØµÈ£¬ÔÚÏÂÃæµÄÒÇÆ÷ºÍÆ÷²ÄÖУ¬±ØÐëʹÓõÄÓР   .£¨ÌîÑ¡Ïî´úºÅ£©

A£®µçѹºÏÊʵÄ50 HZ½»Á÷µçÔ´
B£®µçѹ¿Éµ÷µÄÖ±Á÷µçÔ´
C£®¿Ì¶È³ß
D£®Ãë±í
E. Ììƽ
¢ÚʵÑéʱÊ×ÏÈҪƽºâĦ²ÁÁ¦£ºÓ¦¸ÃÈ¡ÏÂɳͰ£¬°Ñ³¤Ä¾°å_______£¨Ìî¡°×ó¡±»ò¡°ÓÒ¡±£©µæ¸ß£¬ÇáÍÆС³µ£¬ÈÃС³µ________£¨Ñ¡Ìî¡°ÍÏ×Å¡±»ò¡°²»ÍÏ×Å¡±£©Ö½´øÔ˶¯¡£
¢Ûij´ÎʵÑéС³µÔ˶¯µÄÖ½´øÈçͼËùʾ£®ÔÚÖ½´øÉÏÏàÁÚÁ½¼ÆÊýµãÖ®¼ä»¹ÓÐËĸöµãδ»­³ö£®È¡BEÁ½µãÀ´Ñо¿£¬¶Á³öBEµÄ³¤¶ÈΪ_____cm£¬ÆäÖÐС³µÍ¨¹ý¼ÆÊýµãBµãʱµÄËٶȣ½______m/s(¼ÆËã½á¹û±£ÁôÈýλÓÐЧÊý×Ö)£®±¾´ÎÊÔÑéÖУ¬Ö½´ø______£¨Ìî¡°¼×¡±»ò¡°ÒÒ¡±£©¶ËÓëС³µÏàÁ¬¡£

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º ÌâÐÍ£ºÊµÑéÌâ

ÔÚ¡¶ÑéÖ¤Á¦µÄƽÐÐËıßÐζ¨Ôò¡·ÊµÑéÖУ¬Ä³Í¬Ñ§Ê×ÏȽ«°×Ö½¹Ì¶¨ÔÚ·½Ä¾°åÉÏ¡¢½«ÏðƤ½îµÄÒ»¶Ë¹Ì¶¨ÔÚAµã,ÁíÒ»¶ËË©ÉÏÁ½¸ùϸÉþ,ÿ¸ùϸÉþ·Ö±ðÁ¬×ÅÒ»¸öÁ¿³ÌΪ5 N¡¢×îС¿Ì¶ÈΪ0.1 NµÄµ¯»É²âÁ¦¼Æ.È»ºóÑØ×ÅÁ½¸ö²»Í¬µÄ·½ÏòÀ­µ¯»É²âÁ¦¼Æ,ÈçͼËùʾ£¬¼Ð½ÇԼΪ900£¬Õâʱ±ØÐëÔÚ°×Ö½ÉϼÇÏÂÁ½À­Á¦µÄ´óСºÍ·½Ïò£¬»¹±ØÐë¼ÇÏ                £¬ÆäÖÐÓÒͼÖÐBµ¯»É²âÁ¦¼ÆµÄ¶ÁÊýΪ          N¡£½Ó×Å£¬ÓÃÆäÖÐÒ»¸öµ¯»É²âÁ¦¼ÆÈ¥À­¸ÃÏðƤ½îʱ£¬¸ÃʵÑéÄÜ·ñ˳Àû½øÐÐÏÂÈ¥ Âð£¿Çë˵Ã÷ÀíÓÉ                            ¡£

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º ÌâÐÍ£ºÊµÑéÌâ

ijС×éÓÃÈçͼËùʾµÄµç·ʵÎï×°Ö㬲â»æ¶î¶¨µçѹΪ4.0 VµÄСµÆÅݵķü°²ÌØÐÔÇúÏߣ¬ÆäÖУ¬Ð¡µÆÅݵĵç×èԼΪ¼¸Å·£¬µçѹ±íºÍµçÁ÷±í¾ùΪ³£ÓõÄÆÕͨµç±í.
¢Ù ¸ù¾Ýʵ¼ÊÇé¿ö£¬ÄãÈÏΪÍê³É¸ÃʵÑéËù¶ÔÓ¦µÄµç·ͼӦ¸ÃÊÇ______.(Ìî¡°¼×¡±¡°ÒÒ¡±»ò¡°±û¡±)

¢Ú ¸ùé§Ñ¡ÔñµÄµç·ͼ£¬ÔÚ´ðÌâÖ½ÉÏÓñʻ­Ïß´úÌæµ¼Ïß½«ÊµÎïµç·ͼÁ¬½ÓÍêÕû¡£

¢Û ÒÑ֪СµÆÅݵÆË¿µç×èÖµ R ÓëµÆË¿ÎÂ¶È t µÄ¹ØϵΪ R ="k" ( 273+ t )£¬k Ϊ±ÈÀý³£Êý£®µ±Ð¡µÆÅݵÆË¿ÔÚ27¡æʱµÄµç×èÊÇ6.0 ¦¸£®¸ù¾ÝI¡ªU ͼÏó¹ÀËã¸ÃµÆË¿µÄζÈΪ227¡æʱµÆË¿µÄ˲ʱ¹¦ÂÊԼΪ_________W¡£

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º ÌâÐÍ£ºÊµÑéÌâ

£¨8·Ö£©ÈçͼËùʾ£¬Ä³Í¬Ñ§ÔÚ×ö¡°Ñо¿ÔȱäËÙÖ±ÏßÔ˶¯¡±ÊµÑéÖУ¬ÓÉ´òµã¼ÆʱÆ÷µÃµ½±íʾС³µÔ˶¯¹ý³ÌµÄÒ»ÌõÇåÎúÖ½´ø£¬Ö½´øÉÏÁ½ÏàÁÚ¼ÆÊýµãµÄʱ¼ä¼ä¸ôΪT=0.10s£¬ÆäÖÐS1=7.05cm¡¢S2=7.68cm¡¢S3=8.33cm¡¢S4=8.95cm¡¢S5=9.61cm¡¢S6=10.26cm£¬ÔòAµã´¦Ë²Ê±ËٶȵĴóСÊÇ_______m/s£¬Ð¡³µÔ˶¯µÄ¼ÓËٶȼÆËã±í´ïʽΪ_______ £¬¼ÓËٶȵĴóСÊÇ_______m/s2£¨¼ÆËã½á¹û±£ÁôÁ½Î»ÓÐЧÊý×Ö£©¡£

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º ÌâÐÍ£ºÊµÑéÌâ

£¨1£©£¨3·Ö£©ÈçͼËùʾµÄʵÑé×°ÖÃÑéÖ¤»úеÄÜÊغ㶨ÂÉ£¬ÊµÑéËùÓõĵçԴΪѧÉúµçÔ´£¬Êä³öµçѹΪ6VµÄ½»Á÷µçºÍÖ±Á÷µçÁ½ÖÖ£¬ÖØ´¸ÉÏÍÏ×ŵÄÖ½´øͨ¹ý´òµã¼ÆʱÆ÷´ò³öһϵÁеĵ㣬¶ÔÖ½´øÉϵĵãµÄºÛ¼£½øÐвâÁ¿£¬¼´¿ÉÑéÖ¤»úеÄÜÊغ㶨ÂÉ£¬ÏÂÃæÁоÙÁ˸ÃʵÑéµÄ¼¸¸ö²Ù×÷²½Öè

A£®°´ÕÕͼʾµÄ×°Öð²×°Æ÷²Ä
B£®½«´òµã¼ÆʱÆ÷½Óµ½µçÔ´µÄÖ±Á÷Êä³ö¶ËÉÏ
C£®ÓÃÌìƽ²âÁ¿³öÖØ´¸µÄÖÊÁ¿
D£®ÏÈËÉÊÖÊÍ·ÅÖ½´ø£¬ÔÙ½ÓͨµçÔ´´ò³öÖ½´ø
E£®Ñ¡ÔñºÏÊʵÄÖ½´ø£¬²âÁ¿´ò³öµÄÖ½´øÉÏijЩµãµ½µÚÒ»µãÖ®¼äµÄ¾àÀë
F£®¸ù¾Ý²âÁ¿µÄ½á¹û¼ÆËãÖØ´¸ÏÂÂä¹ý³ÌÖмõÉÙÁËÖØÁ¦ÊÆÄÜÊÇ·ñµÈÓÚÔö¼ÓµÄ¶¯ÄÜ
ÉÏÊö²Ù×÷ÖÐûÓбØÒª½øÐеĻòÕß²Ù×÷´íÎóµÄ²½ÖèÊÇ     £¨ÌîÈëÏàÓ¦µÄ×Öĸ£©¡£
£¨2£©£¨8·Ö£©Ä³Ì½¾¿Ñ§Ï°Ð¡×éµÄͬѧÓûÑéÖ¤¡°¶¯Äܶ¨Àí¡±£¬ËûÃÇÔÚʵÑéÊÒ×é×°ÁËÒ»Ì×ÈçͼËùʾµÄ×°Öã¬ÁíÍâËûÃÇ»¹ÕÒµ½ÁË´òµã¼ÆʱÆ÷ËùÓõÄѧÉúµçÔ´¡¢µ¼Ïß¡¢¸´Ð´Ö½¡¢Ö½´ø¡¢Ð¡Ä¾¿é¡¢Ï¸É³£®µ±»¬¿éÁ¬½ÓÉÏÖ½´ø£¬ÓÃϸÏßͨ¹ý»¬ÂÖ¹ÒÉÏ¿ÕµÄСɳͰʱ£¬ÊÍ·ÅСͰ£¬»¬¿é´¦ÓÚ¾²Ö¹×´Ì¬£®ÈôÄãÊÇС×éÖеÄһλ³ÉÔ±£¬ÒªÍê³É¸ÃÏîʵÑ飬Ôò£º

¢ÙÄãÈÏΪ»¹ÐèÒªµÄʵÑéÆ÷²ÄÓР                      £®
¢ÚʵÑéʱΪÁ˱£Ö¤»¬¿éÊܵ½µÄºÏÁ¦ÓëɳºÍɳͰµÄ×ÜÖØÁ¦´óС»ù±¾ÏàµÈ£¬É³ºÍɳͰµÄ×ÜÖÊÁ¿Ó¦Âú×ãµÄʵÑéÌõ¼þÊÇ                             £¬ÊµÑéʱÊ×ÏÈÒª×öµÄ²½ÖèÊÇ                                £®
¢ÛÔڢڵĻù´¡ÉÏ£¬Ä³Í¬Ñ§ÓÃÌìƽ³ÆÁ¿»¬¿éµÄÖÊÁ¿M£®ÍùɳͰÖÐ×°ÈëÊÊÁ¿µÄϸɳ£¬ÓÃÌìƽ³Æ³ö´ËʱɳºÍɳͰµÄ×ÜÖÊÁ¿m£®ÈÃɳͰ´ø¶¯»¬¿é¼ÓËÙÔ˶¯£¬Óôòµã¼ÆʱÆ÷¼Ç¼ÆäÔ˶¯Çé¿ö£¬ÔÚ´òµã¼ÆʱÆ÷´ò³öµÄÖ½´øÉÏÈ¡Á½µã£¬²â³öÕâÁ½µãµÄ¼ä¾àLºÍÕâÁ½µãµÄËٶȴóСv1Óëv2£¨v1< v2£©£®Ôò±¾ÊµÑé×îÖÕÒªÑéÖ¤µÄÊýѧ±í´ïʽΪ                         £¨ÓÃÌâÖеÄ×Öĸ±íʾʵÑéÖвâÁ¿µÃµ½µÄÎïÀíÁ¿£©£®

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º ÌâÐÍ£ºÊµÑéÌâ

ijÎïÀíС×éÔÚÒ»´Î̽¾¿»î¶¯ÖвâÁ¿»¬¿éÓëľ°åÖ®¼äµÄ¶¯Ä¦²ÁÒòÊý¡£ÊµÑé×°ÖÃÈçͼ£¬Ò»±íÃæ´Ö²ÚµÄľ°å¹Ì¶¨ÔÚˮƽ×ÀÃæÉÏ£¬Ò»¶Ë×°Óж¨»¬ÂÖ£»Ä¾°åÉÏÓÐÒ»»¬¿é£¬ÆäÒ»¶ËÓëµç´Å´òµã¼ÆʱÆ÷µÄÖ½´øÏàÁ¬£¬ÁíÒ»¶Ëͨ¹ý¿ç¹ý¶¨»¬ÂÖµÄϸÏßÓëÍÐÅÌÁ¬½Ó¡£´òµã¼ÆʱÆ÷ʹÓõĽ»Á÷µçÔ´µÄƵÂÊΪ50 Hz¡£¿ªÊ¼ÊµÑéʱ£¬ÔÚÍÐÅÌÖзÅÈëÊÊÁ¿íÀÂ룬»¬¿é¿ªÊ¼×öÔȼÓËÙÔ˶¯£¬ÔÚÖ½´øÉÏ´ò³öһϵÁеĵ㡣


£¨1£©ÉÏͼ¸ø³öµÄÊÇʵÑéÖлñÈ¡µÄÒ»ÌõÖ½´øµÄÒ»²¿·Ö£º0¡¢1¡¢2¡¢3¡¢4¡¢5¡¢6ÊǼÆÊýµã£¬Ã¿ÏàÁÚÁ½¼ÆÊýµã¼ä»¹ÓÐ4¸ö¼Æʱµã£¨Í¼ÖÐδ±ê³ö£©£¬¼ÆÊýµã¼äµÄ¾àÀëÈçͼËùʾ¡£¸ù¾ÝͼÖÐÊý¾Ý¼ÆËãµÄ¼ÓËÙ¶Èa =            ___________m/s2£¬¼ÆÊýµã3µÄ˲ʱËÙ¶Èv3 =     m/s¡££¨½á¹û±£ÁôÁ½Î»ÓÐЧÊý×Ö£©¡£
£¨2£©Îª²âÁ¿¶¯Ä¦²ÁÒòÊý£¬ÏÂÁÐÎïÀíÁ¿Öл¹Ó¦²âÁ¿µÄÓР        ¡££¨ÌîÈëËùÑ¡ÎïÀíÁ¿Ç°µÄ×Öĸ£©
Aľ°åµÄ³¤¶ÈL         Bľ°åµÄÖÊÁ¿m1£»
C»¬¿éµÄÖÊÁ¿m2       DÍÐÅ̺ÍíÀÂëµÄ×ÜÖÊÁ¿m3 
E»¬¿éÔ˶¯µÄʱ¼ät
£¨3£©»¬¿éÓëľ°å¼äµÄ¶¯Ä¦²ÁÒòÊý£½                    £¨Óñ»²âÎïÀíÁ¿µÄ×Öĸ±íʾ£¬ÖØÁ¦¼ÓËÙ¶ÈΪg£©£®

²é¿´´ð°¸ºÍ½âÎö>>

ͬ²½Á·Ï°²á´ð°¸