ijͬѧÔÚ¡°Ì½¾¿Ð¡³µËÙ¶ÈËæʱ¼ä±ä»¯µÄ¹æÂÉ¡±µÄʵÑéÖУ¬Óôòµã¼ÆʱÆ÷¼Ç¼Á˱»Ð¡³µÍ϶¯µÄÖ½´øµÄÔ˶¯Çé¿ö.¹¤×÷ƵÂÊΪ50HZ.
£¨1£©½Óͨ´òµã¼ÆʱÆ÷µçÔ´ºÍÈÃÖ½´ø¿ªÊ¼Ô˶¯£¬ÕâÁ½¸ö²Ù×÷Ö®¼äµÄʱ¼ä˳Ðò¹ØϵÊÇ       
A£®ÏȽÓͨµçÔ´£¬ºóÈÃÖ½´øÔ˶¯         B£®ÏÈÈÃÖ½´øÔ˶¯£¬ÔÙ½ÓͨµçÔ´
C£®ÈÃÖ½´øÔ˶¯µÄͬʱ½ÓͨµçÔ´ D£®ÏÈÈÃÖ½´øÔ˶¯»òÏȽÓͨµçÔ´¶¼¿ÉÒÔ
£¨2£©´òµã¼ÆʱÆ÷²ÉÓõÄÊÇ       £¨Ñ¡¡°½»Á÷¡±»ò¡°Ö±Á÷¡±£©µçÔ´£»ÊµÑéÖеõ½Ò»ÌõÖ½´øÈçͼËùʾ£¬A¡¢B¡¢C¡¢D¡¢E¡¢F¡¢GΪʵÑéÖÐËùÈ¡µÄ¼ÆÊýµã£¬Á½¸öÏàÁÚ¼ÆÊýµã¼ä»¹ÓÐËĸöµã¼Æʱµãδ»­³ö£¬ÄÇôÏàÁÚ¼ÆÊýµã¼äµÄʱ¼ä¼ä¸ôΪ       s£»

£¨3£©ÊÔ¸ù¾ÝÖ½´øÉϸ÷¸ö¼ÆÊýµãµÄ¾àÀ룬¼ÆËã³ö´òÏÂDµãʱС³µµÄ˲ʱËÙ¶ÈvD=        m/s¡££¨±£ÁôÁ½Î»ÓÐЧÊý×Ö£©
£¨1£©A£»£¨2£©½»Á÷£»0.1£»£¨3£©0.56¡£

ÊÔÌâ·ÖÎö£º£¨1£©Ó¦¸ÃÏȽÓͨµçÔ´£¬ºóÈÃÖ½´øÔ˶¯£¬¹ÊAÊÇÕýÈ·µÄ£»
£¨2£©´òµã¼ÆʱÆ÷²ÉÓõÄÊǵÍѹ½»Á÷µçÔ´£»ÓÉÓÚÁ½¸öÏàÁÚ¼ÆÊýµã¼ä»¹ÓÐËĸöµã¼Æʱµãδ»­³ö£¬¹ÊÏàÁÚ¼ÆÊýµã¼äµÄʱ¼ä¼ä¸ôΪ5¡Á0.02s=0.1s£»
£¨3£©´òÏÂDµãʱС³µµÄ˲ʱËÙ¶ÈvD==0.56m/s¡£
Á·Ï°²áϵÁдð°¸
Ïà¹ØÏ°Ìâ

¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º²»Ïê ÌâÐÍ£ºÊµÑéÌâ

(1).(4·Ö)ÈçͼËùʾΪijͬѧËù°²×°µÄ¡°Ñé֤ţ¶ÙµÚ¶þ¶¨ÂÉ¡±µÄʵÑé×°Öã¬ÔÚͼʾ״̬Ï£¬¿ªÊ¼×öʵÑ飬¸ÃͬѧÓÐ×°ÖúͲÙ×÷ÖеÄÖ÷Òª´íÎóÊÇ:_____________________________________________

£¨2£©ÔÚ¡°Ñé֤ţ¶ÙµÚ¶þ¶¨ÂÉ¡±µÄʵÑéÖУ¬ÎªÁËʹС³µÊܵ½ºÏÍâÁ¦µÈÓÚСɳͰºÍɳµÄ×ÜÖØÁ¿£¬Í¨³£²ÉÓÃÈçÏÂÁ½¸ö´ëÊ©£º(A)ƽºâĦ²ÁÁ¦£º½«³¤Ä¾°åÎÞ»¬ÂÖµÄÒ»¶ËÏÂÃæµæһСľ¿é£¬·´¸´Òƶ¯Ä¾¿éµÄλÖã¬Ö±µ½Ð¡³µÔÚСͰµÄÀ­¶¯Ï´ø¶¯Ö½´øÓëС³µÒ»Æð×öÔÈËÙÖ±ÏßÔ˶¯£»(B)µ÷ÕûɳµÄ¶àÉÙ£¬Ê¹É³ºÍСɳͰµÄ×ÜÖÊÁ¿mԶСÓÚС³µºÍíÀÂëµÄ×ÜÖÊÁ¿M£®ÇëÎÊ£º
¢Ù(2·Ö)ÒÔÉÏÄÄÒ»¸ö´ëÊ©ÖÐÓкÎÖØ´ó´íÎó?´ð£º_____________________________________
¢Ú(2·Ö)ÔÚ¸ÄÕýÁËÉÏÊö´íÎóÖ®ºó,±£³ÖС³µ¼°íÀÂëÖÊÁ¿M²»±ä£®·´¸´¸Ä±äɳµÄÖÊÁ¿£¬²¢²âµÃһϵÁÐÊý¾Ý£¬½á¹û·¢ÏÖС³µÊܵ½µÄºÏÍâÁ¦(СͰ¼°É°ÖØÁ¿)Óë¼ÓËٶȵıÈÖµÂÔ´óÓÚС³µ¼°íÀÂëÖÊÁ¿M£¬¾­¼ì²é·¢ÏÖ»¬Âַdz£¹â»¬£¬´òµã¼ÆʱÆ÷¹¤×÷Õý³££¬ÇÒÊÂÏÈ»ù±¾ÉÏƽºâÁËĦ²ÁÁ¦£¬ÄÇô³öÏÖÕâÖÖÇé¿öµÄÖ÷ÒªÔ­ÒòÊÇʲô?   
´ð£º_________________________________________________________________________

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º²»Ïê ÌâÐÍ£ºÊµÑéÌâ

£¨6·Ö£©ÎÒÃÇÓÃÈçͼËùʾװÖÃ̽¾¿µ¯Á¦Ó뵯»ÉÉ쳤µÄ¹Øϵ£¬Ä³Í¬Ñ§ÏȲâ³ö²»¹ÒíÀÂëʱµ¯»É϶ËÖ¸ÕëËùÖ¸µÄ±ê³ß¿Ì¶È£¬È»ºóÔÚµ¯»É϶˹ÒÉÏíÀÂ룬²¢Öð¸öÔö¼ÓíÀÂ룬²â³öÖ¸ÕëËùÖ¸µÄ±ê³ß¿Ì¶È£¬ËùµÃÊý¾ÝÁбíÈçÏ£º£¨ÖØÁ¦¼ÓËÙ¶Èg=9.8m/s2£©

íÀÂëÖÊÁ¿
0.00
1.00
2.00
3.00
4.00
5.00
6.00
7.00
±ê³ß¿Ì¶È
15.00
18.94
22.82
26.78
30.66
34.60
42.00
54.50
£¨1£©¸ù¾ÝËù²âÊý¾Ý£¬ÔÚÓÒͼ×ø±êÖ½ÖÐ×÷³öµ¯»ÉÖ¸ÕëËùÖ¸µÄ±ê³ß¿Ì¶ÈÖµÓëíÀÂëÖÊÁ¿µÄ¹ØϵÇúÏß¡£

£¨2£©¸ù¾ÝËù²âµÃµÄÊý¾ÝºÍ¹ØϵÇúÏß¿ÉÒÔÅжϣ¬Á¦ÔÚ       ·¶Î§ÄÚµ¯Á¦´óСÓ뵯»ÉÉ쳤¹ØϵÂú×ãºú¿Ë¶¨ÂÉ£¬ÕâÖÖµ¯»ÉµÄ¾¢¶ÈϵÊýΪ         ¡£

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º²»Ïê ÌâÐÍ£ºÊµÑéÌâ

(1)ijͬѧÓÃÈçͼËùʾµÄʵÑé×°ÖÃÑéÖ¤¡°Á¦µÄƽÐÐËıßÐζ¨Ôò¡±¡£µ¯»É²âÁ¦¼ÆA¹ÒÓڹ̶¨µãP£¬Ï¶ËÓÃϸÏß¹ÒÒ»ÖØÎïM.µ¯»É²âÁ¦¼ÆBµÄÒ»¶ËÓÃϸÏßϵÓÚOµã£¬ÊÖ³ÖÁíÒ»¶ËÏò×óÀ­£¬Ê¹½áµãO¾²Ö¹ÔÚijλÖ᣷ֱð¶Á³öµ¯»É²âÁ¦¼ÆAºÍBµÄʾÊý£¬²¢ÔÚÌùÓÚÊúֱľ°åµÄ°×Ö½ÉϼǼ         ºÍ             

(a)±¾ÊµÑéÓõĵ¯»É²âÁ¦¼ÆʾÊýµÄµ¥Î»ÎªN£¬Í¼ÖÐAµÄʾÊýΪ________N.
(b)ÏÂÁбØÒªµÄʵÑéÒªÇóÊÇ ________(ÌîдѡÏîÇ°µÄ×Öĸ)£®
A£®Ó¦²âÁ¿ÖØÎïMËùÊܵÄÖØÁ¦
B£®µ¯»É²âÁ¦¼ÆÓ¦ÔÚʹÓÃǰУÁã
C£®À­Ïß·½ÏòÓ¦Óëľ°åƽÃæƽÐÐ
D£®¸Ä±äÀ­Á¦£¬½øÐжà´ÎʵÑ飬ÿ´Î¶¼ÒªÊ¹Oµã¾²Ö¹ÔÚͬһλÖÃ
£¨2£©²ÉÓÃͼ¼×ËùʾµÄ×°ÖÃ̽¾¿¼ÓËÙ¶ÈÓëÁ¦ºÍÖÊÁ¿µÄ¹Øϵ£¬ ͨ¹ý¸Ä±äСÍÐÅ̺ÍíÀÂë×ÜÖÊÁ¿mÀ´¸Ä±äС³µÊܵ½µÄºÏÍâÁ¦£¬Í¨¹ý¼Ó¼õ¹³ÂëÀ´¸Ä±äС³µ×ÜÖÊÁ¿M£®
¢ÙʵÑéÖÐÐèҪƽºâĦ²ÁÁ¦£¬Ó¦µ±È¡Ï        £¨Ñ¡ÌС³µÉϵĹ³Â롱¡¢¡°Ð¡ÍÐÅ̺ÍíÀÂ롱»ò¡°Ö½´ø¡±£©£¬½«Ä¾°åÓÒ¶ËÊʵ±µæ¸ß£¬Ö±ÖÁС³µÔÚ³¤Ä¾°åÉÏÔ˶¯Ê±£¬Ö½´øÉÏ´ò³öÀ´µÄµã¼ä¾àÏàµÈ£®
¢ÚͼÒÒΪʵÑéÖеõ½µÄÒ»ÌõÖ½´øµÄÒ»²¿·Ö£¬0¡¢1¡¢2¡¢3¡¢4¡¢5¡¢6Ϊ¼ÆÊýµã£¬ÏàÁÚÁ½¼ÆÊýµã¼ä»¹ÓÐ4¸ö´òµãδ»­³ö£®ËùÓý»Á÷µçµÄƵÂÊΪ50Hz£¬´ÓÖ½´øÉϲâ³öx1=3.20cm£¬x2=4.74cm£¬x3=6.30cm£¬x4=7.85cm£¬x5=9.41cm£¬x6=10.96cm£®Ð¡³µÔ˶¯µÄ¼ÓËٶȴóСΪ   m/s2£¨½á¹û±£ÁôÈýλÓÐЧÊý×Ö£©£®

¢Û´ËʵÑéÖÐÓÐÈý¸ö±ä»¯µÄÎïÀíÁ¿£¬ÔÚʵÑéÖÐÎÒÃDzÉÓõķ½·¨ÊÇ         £¬ÔÚÑо¿¼ÓËÙ¶ÈÓëÁ¦µÄ¹ØϵʱÎÒÃǵõ½ÁËÈçͼ±ûËùʾµÄͼÏñ£¬Í¼Ïñ²»¹ýÔ­µãÔ­ÒòÊÇ           ¡£

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º²»Ïê ÌâÐÍ£ºÊµÑéÌâ

ÔÚ¡°Ñо¿ÔȱäËÙÖ±ÏßÔ˶¯¡±µÄʵÑéÖУ¬Ä³Í¬Ñ§µÄ²Ù×÷²½ÖèÈçÏ£¬ÆäÖдíÎó»ò²»È«µÄ²½ÖèÊÇ________£®
A£®À­×¡Ö½´ø£¬½«Ð¡³µÒƵ½¿¿½ü´òµã¼ÆʱÆ÷´¦£¬ÏÈ·Å¿ªÖ½´ø£¬ÔÙ½ÓͨµçÔ´
B£®½«´òµã¼ÆʱÆ÷¹Ì¶¨ÔÚƽ°åÉÏ£¬²¢½ÓºÃµçÔ´
C£®°ÑÒ»ÌõϸÉþË©ÔÚС³µÉÏ£¬Ï¸Éþ¿ç¹ý¶¨»¬ÂÖ£¬ÏÂÃæµõ×ÅÊʵ±ÖصĹ³Âë
D£®¶Ï¿ªµçÔ´£¬È¡ÏÂÖ½´ø
E£®½«Ö½´ø¹Ì¶¨ÔÚС³µÎ²²¿£¬²¢´©¹ý´òµã¼ÆʱÆ÷µÄÏÞλ¿×
ÈôÓÐÒÅ©²½Ö裬½«ÒÅ©²½ÖèдÔÚÏÂÃæµÄºáÏßÉÏ(ÒÅ©¿É±àÉÏÐòºÅF¡¢G¡­)£®_____________
²¢°ÑºÏÀí˳ÐòµÄÐòºÅÌîдÔÚºáÏßÉÏ£®__________________________________

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º²»Ïê ÌâÐÍ£ºÊµÑéÌâ

ijѧÉúÓôòµã¼ÆʱÆ÷Ñо¿Ð¡³µµÄÔȱäËÙÖ±ÏßÔ˶¯¡£Ëû½«´òµã¼ÆʱÆ÷½Óµ½ÆµÂÊΪ50 HzµÄ½»Á÷µçÉÏ£¬ÊµÑéʱµÃµ½Ò»ÌõÖ½´øÈçͼËùʾ¡£ËûÔÚÖ½´øÉϱãÓÚ²âÁ¿µÄµØ·½Ñ¡È¡µÚÒ»¸ö¼ÆÊýµã£¬ÔÚÕâµãÏÂÃæ±êÃ÷A£¬µÚÁù¸öµãÏÂÃæ±êÃ÷B£¬µÚʮһ¸öµãÏÂÃæ±êÃ÷C£¬µÚÊ®Áù¸öµãÏÂÃæ±êÃ÷D£¬µÚ¶þʮһ¸öµãÏÂÃæ±êÃ÷E¡£²âÁ¿Ê±·¢ÏÖBµãÒÑÄ£ºý²»Ç壬ÓÚÊÇËû²âµÃAC="14.56" cm£¬CD="11.15" cm£¬DE="13.73" cm£¬Ôò´òCµãʱС³µµÄ˲ʱËٶȴóСΪ________ m/s£¬Ð¡³µÔ˶¯µÄ¼ÓËٶȴóСΪ________ m/s2£¬AB¼äµÄ¾àÀëӦΪ________ cm.(½á¹û¾ù±£ÁôÈýλÓÐЧÊý×Ö)

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º²»Ïê ÌâÐÍ£ºÊµÑéÌâ

ʵÑéÌ⣨18·Ö£¬Ã¿¿Õ2·Ö£©
£¨1£©£¨8·Ö£©Èçͼ£¨a£©ÎªÑé֤ţ¶ÙµÚ¶þ¶¨ÂɵÄʵÑé×°ÖÃʾÒâͼ.

¢ÙƽºâС³µËùÊܵÄ×èÁ¦µÄ²Ù×÷£ºÈ¡Ï       £¬°Ñľ°å²»´ø»¬ÂÖµÄÒ»¶Ëµæ¸ß£»½Óͨ´òµã¼ÆʱÆ÷µçÔ´£¬ÇáÍÆС³µ£¬ÈÃС³µÍÏ×ÅÖ½´øÔ˶¯£®Èç¹û´ò³öµÄÖ½´øÈçͼ£¨b£©Ëùʾ£¬ÔòÓ¦    £¨Ìî¡°¼õС¡±»ò¡°Ôö´ó¡±£©Ä¾°åµÄÇã½Ç£¬·´¸´µ÷½Ú£¬Ö±µ½Ö½´øÉÏ´ò³öµÄµã¼£¼ä¸ôÏàµÈΪֹ£®
¢Úͼ£¨c£©ÎªÑо¿¡°ÔÚÍâÁ¦Ò»¶¨µÄÌõ¼þÏ£¬ÎïÌåµÄ¼ÓËÙ¶ÈÓëÆäÖÊÁ¿µÄ¹Øϵ¡±Ê±ËùµÃµÄʵÑéͼÏ󣬺á×ø±êΪС³µÉÏíÀÂëµÄÖÊÁ¿£®

ÉèͼÖÐÖ±ÏßµÄбÂÊΪ£¬ÔÚ×ÝÖáÉϵĽؾàΪ£¬ÈôÅ£¶Ù¶¨ÂɳÉÁ¢£¬ÔòС³µÊܵ½µÄÀ­Á¦Îª___________£¬Ð¡³µµÄÖÊÁ¿Îª___________£®
£¨2£©£¨10·Ö£©Ä³Í¬Ñ§ÀûÓÃÈçͼ¼×ËùʾµÄʵÑé×°ÖòâÁ¿ÖØÁ¦¼ÓËٶȣ®
¢ÙÇëÖ¸³ö¸ÃͬѧÔÚʵÑé²Ù×÷ÖдæÔÚµÄÁ½´¦Ã÷ÏÔ´íÎó£ºa                 £»b                      £®

¢Ú¸Ãͬѧ¾­ÕýÈ·²Ù×÷µÃµ½ÈçͼÒÒËùʾµÄÖ½´ø£¬È¡Á¬ÐøµÄÁù¸öµã£¬²âµÃ¡¢¡¢¡¢¡¢£®Èô´òµãµÄÖÜÆÚΪT£¬Ôò´òEµãʱËÙ¶ÈΪ=         £»Èô·Ö±ð¼ÆËã³ö¸÷¼ÆÊýµã¶ÔÓ¦µÄËÙ¶ÈÊýÖµ£¬²¢ÔÚ×ø±êϵÖл­³öÓëhµÄ¹ØϵͼÏߣ¬Èçͼ±ûËùʾ£¬ÔòÖØÁ¦¼ÓËÙ¶È =       £®
¢ÛÈôµ±µØµÄÖØÁ¦¼ÓËÙ¶ÈֵΪ£¬Çëд³öÎó²îµÄÖ÷ÒªÔ­Òò                           £®

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º²»Ïê ÌâÐÍ£ºÊµÑéÌâ

£¨6·Ö£©Ä³Ñо¿Ñ§Ï°Ð¡×éÓÃͼ¼×ËùʾµÄ×°ÖÃ̽¾¿¼ÓËÙ¶ÈÓëºÏÁ¦µÄ¹Øϵ¡£×°ÖÃÖеÄÂÁÏä϶ËÁ¬½ÓÖ½´ø£¬É°Í°ÖпɷÅÖÃÉ°×ÓÒԸıäÂÁÏäËùÊܵÄÍâÁ¦´óС£¬ÂÁÏäÏòÉÏÔ˶¯µÄ¼ÓËÙ¶Èa¿ÉÓÉ´òµã¼ÆʱÆ÷ºÍÖ½´ø²â³ö¡£ÏÖ±£³ÖÂÁÏä×ÜÖÊÁ¿m²»±ä£¬Öð½¥Ôö´óÉ°Í°ºÍÉ°µÄ×ÜÖÊÁ¿½øÐжà´ÎʵÑ飬µÃµ½¶à×éa¡¢FÖµ£¨FΪÁ¦´«¸ÐÆ÷µÄʾÊý£¬µÈÓÚÐü¹Ò»¬ÂÖÉþ×ÓµÄÀ­Á¦£©¡£ÒÑÖªÖØÁ¦¼ÓËÙ¶ÈΪg£¬²»¼Æ»¬ÂÖµÄÖØÁ¦¡£Ä³Í¬Ñ§¸ù¾ÝʵÑéÊý¾Ý»­³öÁËͼÒÒËùʾµÄÒ»Ìõ¹ý×ø±êÔ­µãOµÄÇãбֱÏߣ¬ÆäÖÐ×ÝÖáΪÂÁÏäµÄ¼ÓËٶȴóС£¬ºáÖáӦΪ__________£¨ÓÃËù¸ø×Öĸ±íʾ£©£»µ±É°Í°ºÍÉ°µÄ×ÜÖÊÁ¿½Ï´óµ¼ÖÂa½Ï´óʱ£¬Í¼Ïß_______________£¨ÌîÑ¡ÏîÇ°µÄ×Öĸ£©
A£®Æ«Ïò×ÝÖá B£®Æ«ÏòºáÖá
C£®ÈÔ±£³ÖÔ­·½Ïò²»±ä D£®Ð±ÂÊÖð½¥¼õС

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º²»Ïê ÌâÐÍ£ºµ¥Ñ¡Ìâ

¹ØÓÚ´òµã¼ÆʱÆ÷µÄʱ¼ä¼ä¸ô£¬ÏÂÁÐÊÇËÄλͬѧ¸÷×Ô·¢±íµÄ¿´·¨£¬ÆäÖÐÕýÈ·µÄÊÇ_   __¡£
A£®µçÔ´µçѹԽ¸ß£¬Ã¿´òÁ½¸öµãµÄʱ¼ä¼ä¸ô¾ÍÔ½¶Ì£¬²¢ÇÒ¿ÉÄÜ»á´ò³ö¶ÌÏß
B£®Ö½´øËÙ¶ÈÔ½´ó£¬Ã¿´òÁ½¸öµãµÄʱ¼ä¼ä¸ô¾ÍÔ½¶Ì
C£®´òµã¼ÆʱÆ÷Á¬Ðø´òÁ½¸öµãµÄʱ¼ä¼ä¸ôÓɵçÔ´µÄƵÂʾö¶¨
D£®Èç¹ûÕñÕëËɶ¯£¬¿ÉÄÜ»á³öÏÖ´ò³ö¶ÌÏß

²é¿´´ð°¸ºÍ½âÎö>>

ͬ²½Á·Ï°²á´ð°¸