ÀûÓÃͼ¼××°ÖÃÑéÖ¤»úеÄÜÊغ㶨ÂÉ£¬ÊµÑéÖеç»ð»¨¼ÆʱÆ÷ËùÓý»Á÷µçÔ´µÄƵÂÊΪ  50 Hz£¬µÃµ½ÈçͼÒÒËùʾµÄÖ½´ø£®Ñ¡È¡Ö½´øÉÏ´ò³öµÄÁ¬ÐøÎå¸öµãA¡¢B£¬¡¢C¡¢D¡¢E£¬²â³öAµã¾àÆðµã0µÄ¾àÀëS0=19.6cm£¬µãA¡¢C¼äµÄ¾àÀës1=8.36cm£¬µãC¡¢EµÄ¾àÀës2=9.86cm£¬gÈ¡9£®8 m£¯s2£¬²âµÃÖØ´¸µÄÖÊÁ¿Îª100g£®(¼ÆËã½á¹û±£ÁôÁ½Î»Ð¡Êý)
СÌâ1:Ñ¡È¡0¡¢CÁ½µãΪ³õĩλÖÃÑо¿»úеÄÜÊغ㡣ÖØ´¸¼õÉÙµÄÖØÁ¦ÊÆÄÜΪ__________J£¬´òÏÂCµãʱÖØ´¸µÄ¶¯ÄÜΪ__________J
СÌâ2:ʵÑéÖУ¬ÓÉÓÚ´æÔÚ×èÁ¦×÷Óã¬ÖØ´¸µÄÖØÁ¦ÊÆÄÜ×ÜÊÇ´óÓÚÖØ´¸Ôö¼ÓµÄ¶¯ÄÜ¡£Õû´¸ÔÚÏÂÂä   ¹ý³ÌÖÐÊܵ½µÄƽ¾ù×èÁ¦F£½_______N£®

СÌâ1:0£®27 0£®26
СÌâ2:0.04
СÌâ1:ÖØÁ¦ÊÆÄܼõСÁË£º¡÷Ep=W=mgh=mg£¨s0+s1£©=0.27J
CµãËÙ¶ÈΪ£ºvc=
¶¯ÄÜÔö¼ÓÁ¿Îª£º¡÷EK=m£¬´úÈëÊý¾Ý½âµÃ£º¡÷Ek=0.26J£®
¹Ê´ð°¸Îª£º0.27£¬0.26£®
СÌâ2:¸ù¾Ý¹¦ÄܹØϵÓУºmg(s1+s2)-f(s1+s2)=m£¬´úÈëÊý¾Ý½âµÃ£ºf=0.04N£®
¹Ê´ð°¸Îª£º0.04N£®
Á·Ï°²áϵÁдð°¸
Ïà¹ØÏ°Ìâ

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

ÔÚ¡°Ì½¾¿¼ÓËÙ¶ÈÓëÁ¦¡¢ÖÊÁ¿µÄ¹Øϵ¡±µÄʵÑéÖС£
СÌâ1:ÔÚÑо¿ÎïÌåµÄ¡°¼ÓËٶȡ¢×÷ÓÃÁ¦ºÍÖÊÁ¿¡±Èý¸öÎïÀíÁ¿µÄ¹Øϵʱ£¬ÎÒÃÇÓÃʵÑéÑо¿ÁËС³µ¡°ÔÚÖÊÁ¿Ò»¶¨µÄÇé¿öÏ£¬¼ÓËٶȺÍ×÷ÓÃÁ¦µÄ¹Øϵ¡±£»ÓÖÑо¿ÁË¡°ÔÚ×÷ÓÃÁ¦Ò»¶¨µÄÇé¿öÏ£¬¼ÓËٶȺÍÖÊÁ¿Ö®¼äµÄ¹Øϵ¡±¡£ÕâÖÖÑо¿ÎïÀíÎÊÌâµÄ¿Æѧ·½·¨ÊÇ£¨   ¡¡¡¡£©
A£®½¨Á¢ÀíÏëÄ£Ð͵ķ½·¨B£®¿ØÖƱäÁ¿·¨C£®µÈЧÌæ´ú·¨D£®Àà±È·¨
СÌâ2:Ñо¿×÷ÓÃÁ¦Ò»¶¨Ê±¼ÓËÙ¶ÈÓëÖÊÁ¿³É·´±ÈµÄ½áÂÛʱ£¬ÏÂÁÐ˵·¨ÖÐÕýÈ·µÄÊÇ(    )
A£®Æ½ºâĦ²ÁÁ¦Ê±£¬Ó¦½«×°É°µÄСͰÓÃϸÉþͨ¹ý¶¨»¬ÂÖϵÔÚС³µÉÏ
B£®Ã¿´Î¸Ä±äС³µÖÊÁ¿Ê±£¬ÒªÖØÐÂƽºâĦ²ÁÁ¦
C£®ÊµÑéʱ£¬ÏÈ·Å¿ªÐ¡³µ£¬ÔÙ½Óͨ´òµã¼ÆʱÆ÷µÄµçÔ´
D£®ÔÚС³µÖÐÔö¼õíÀÂ룬ӦʹС³µºÍíÀÂëµÄÖÊÁ¿Ô¶´óÓÚÉ°ºÍСͰµÄ×ÜÖÊÁ¿
СÌâ3:ij´ÎʵÑéÖеõ½Ò»ÌõÖ½´ø£¬ÈçͼËùʾ£¬´Ó±È½ÏÇåÎúµÄµãÆð£¬Ã¿5¸ö¼ÆʱµãÈ¡Ò»¸ö¼ÆÊýµã£¬·Ö±ð±êÃ÷0¡¢l¡¢2¡¢3¡¢4¡­¡­£¬Á¿µÃ0Óë 1Á½µã¼ä¾àÀëx1=30mm£¬1Óë2Á½µã¼ä¾àÀëx2=36mm£¬2Óë3Á½µã¼ä¾àÀëx3="42mm" £¬3Óë4Á½µã¼äµÄ¾àÀëx4=48mm£¬ÔòС³µÔÚ´ò¼ÆÊýµã2ʱµÄ˲ʱËÙ¶ÈΪ_____ m/s£¬Ð¡³µµÄ¼ÓËÙ¶ÈΪ_____m/s2¡£


СÌâ4:ijͬѧ²âµÃС³µµÄ¼ÓËÙ¶ÈaºÍÀ­Á¦FµÄÊý¾ÝÈçÓÒ±íËùʾ£º£¨Ð¡³µÖÊÁ¿±£³Ö²»±ä£©
F/N
0.20
0.30
0.40
0.50
0.60
a/m¡¤s-2
0.10
0.20
0.28
0.40
0.52
 
¢Ù£®¸ù¾Ý±íÖеÄÊý¾ÝÔÚ×ø±êͼÉÏ×÷³öa-FͼÏó£®
¢Ú£®Í¼Ïß²»¹ýÔ­µãµÄÔ­Òò¿ÉÄÜÊÇ________________________£®
¢Û£®Í¼ÖеÄÁ¦FÀíÂÛÉÏÖ¸   £¬¶øʵÑéÖÐÈ´Óà  ±íʾ¡£ £¨Ñ¡Ìî×Öĸ·ûºÅ£©
A£®É°ºÍÉ°Í°µÄÖØÁ¦      B£®Éþ¶ÔС³µµÄÀ­Á¦

²é¿´´ð°¸ºÍ½âÎö>>

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

ÓÃÂÝÐý²â΢Æ÷(ǧ·Ö³ß)²â½ðÊôµ¼ÏßµÄÖ±¾¶£¬ÆäʾÊýÈç¼×ͼËùʾ£¬¸Ã½ðÊôµ¼ÏßµÄÖ±¾¶Îª     mm¡£

²é¿´´ð°¸ºÍ½âÎö>>

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

С»ªËùÔÚµÄʵÑéС×éÀûÓÃÈçͼ£¨¼×£©ËùʾµÄʵÑé×°ÖÃ̽¾¿Å£¶ÙµÚ¶þ¶¨ÂÉ£¬´òµã¼ÆʱÆ÷ʹÓõĽ»Á÷µçƵÂÊf =50Hz£¬µ±µØµÄÖØÁ¦¼ÓËÙ¶ÈΪg.
СÌâ1:ÔÚʵÑéÇ°±ØÐë½øÐÐƽºâĦ²ÁÁ¦£¬Æä²½ÖèÈçÏ£ºÈ¡ÏÂϸÏߺÍÉ°Í°£¬°Ñľ°å²»´ø»¬ÂÖµÄÒ»¶ËÊʵ±µæ¸ß²¢·´¸´µ÷½Ú£¬Ö±µ½                                      £®
СÌâ2:ͼÒÒÊÇС»ªÍ¬Ñ§ÔÚÕýÈ·²Ù×÷Ï»ñµÃµÄÒ»ÌõÖ½´ø£¬ÆäÖÐA¡¢B¡¢C¡¢D¡¢EÿÁ½µãÖ®¼ä»¹ÓÐ4¸öµãûÓбê³ö.д³öÓÃs1¡¢s2¡¢s3¡¢s4ÒÔ¼°fÀ´±íʾС³µ¼ÓËٶȵļÆËãʽ£º
a =                       £»ÈôS1=2.02cm,S2=4.00cm,S3=6.01cm,ÔòBµãµÄËÙ¶ÈΪ£º
VB=              m/s£¨±£ÁôÁ½Î»ÓÐЧÊý×Ö£©¡£

СÌâ3:ÔÚƽºâºÃĦ²ÁÁ¦µÄÇé¿öÏ£¬Ì½¾¿Ð¡³µ¼ÓËÙ¶ÈaÓëС³µÖÊÁ¿MµÄ¹ØϵÖУ¬Ä³´ÎʵÑé²âµÃµÄÊý¾ÝÈçϱíËùʾ£®¸ù¾ÝÕâЩÊý¾ÝÔÚ×ø±êͼÖÐÃèµã²¢×÷³öͼÏߣ®´ÓͼÏ߿ɵýáÂÛ     £®
СÌâ4:ÈôʵÑéǰûÓÐƽºâĦ²ÁÁ¦£¬ÔÚ̽¾¿a-FµÄ¹ØϵÖУ¬Í¨¹ý¸Ä±ä¹³ÂëµÄ¸öÊý´Ó¶ø¸Ä±äС³µËùÊܵÄÀ­Á¦F£¬Öظ´ÊµÑ飬ȷ¶¨¼ÓËÙ¶ÈaÓëС³µËùÊÜÀ­Á¦FµÄ¹Øϵ¡£ÏÂÁÐͼÏó±íʾ¸ÃͬѧʵÑé½á¹û£¬×î·ûºÏʵ¼ÊµÄÊÇ£º¡¡¡¡¡¡¡¡¡¡¡¡¡£

²é¿´´ð°¸ºÍ½âÎö>>

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

ijͬѧÏë²â³öÎïÌåAÓëˮƽ×ÀÃæ¼äµÄ¶¯Ä¦²ÁÒòÊý£¬Éè¼ÆÁËÈçͼËùʾµÄʵÑ飮°ÑÖÊÁ¿ÏàͬµÄÎïÌåBºÍAÓÃϸÏßÁ¬½ÓÔÚÒ»Æð£®ÓëAÁ¬½ÓµÄϸÏßˮƽÀ­Ö±£¬ÓëBÁ¬½ÓµÄϸÏßÊúÖ±£¬½«BÓɾ²Ö¹ÊÍ·Å£¬BÂäµØºóAÓÖÔ˶¯ÁËÒ»¶Î¾àÀëºó¾²Ö¹ÔÚ×ÀÃæÉÏ£¨Î´Åöµ½»¬ÂÖ£©£¬¸Ãͬѧ¿ÉÓõÄʵÑéÆ÷²ÄÖ»ÓÐÒ»°Ñ×ã¹»³¤µÄ¿Ì¶È³ß£®Ôò¸ÃͬѧӦ²âÁ¿³ö_ __       __£¨ÎïÀíÁ¿ÒªÓÃ×Öĸ±íʾ£©£¬ÓÉ´Ë¿ÉÖªÎïÌåÓë×ÀÃæ¼äµÄ¶¯Ä¦²ÁÒòÊý¦Ì£½___ _  ¡££¨ÓòâÁ¿µÄÎïÀíÁ¿±íʾ¡£²»¼Æ»¬ÂÖµÄĦ²ÁºÍ¿ÕÆøµÄ×èÁ¦£©

²é¿´´ð°¸ºÍ½âÎö>>

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

Ò»ÃûͬѧÔÚÓÃÏÂͼ¼×ËùʾµÄ×°ÖÃ×ö¡°Ñо¿ÔȱäËÙÖ±ÏßÔ˶¯¡±µÄʵÑéÖУ¬´òµã¼ÆʱÆ÷ËùÓý»±äµçÁ÷µÄƵÂÊΪ50Hz£¬ÏÂͼÒÒÊÇij´ÎʵÑéʱµÃµ½µÄÖ½´ø£¬Í¼ÖÐA¡¢B¡¢C¡¢D¡¢EÊÇÖ½´øÉÏÎå¸ö¼ÆÊýµã£¬Ôò                         £¨    £©
A£®´òCµãʱС³µµÄËٶȴóСΪ2.1m/s
B£®´òDµãʱС³µµÄËٶȴóСΪ4.6m/s
C£®Ð¡³µµÄ¼ÓËٶȴóСΪ3.9m/s2
D£®Ð¡³µµÄ¼ÓËٶȴóСΪ12m/s2

²é¿´´ð°¸ºÍ½âÎö>>

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

¸øÄãÒ»¸öδ֪ÖÊÁ¿µÄСíÀÂë¼°ÍêºÃµÄµ¯»É³ÓºÍÌìƽ¸÷Ò»°Ñ¡£ÓÃËüÃÇÀ´²âÁ¿µ±µØµÄÖØÁ¦¼ÓËٶȡ£
СÌâ1:¼òÊöÄãµÄ²Ù×÷·½·¨£º                                                               
                                                        
СÌâ2:д³öÄã²Ù×÷·½·¨Ïµ±µØÖØÁ¦¼ÓËٶȵıí´ïʽ£º               

²é¿´´ð°¸ºÍ½âÎö>>

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

ÈýλͬѧÓò»Í¬µÄÆ÷²Ä·Ö±ð½øÐÐÈçÏÂʵÑ飺
СÌâ1:¼×ͬѧÀûÓÃÏÖ´úÐÅÏ¢¼¼Êõ½øÐÐDISʵÑé¡£ÈçͼËùʾΪÓÃDIS²â±äËÙÖ±ÏßÔ˶¯µÄ˲ʱËٶȵÄ×°ÖÃͼ£¬Í¼ÖТÙËùʾµÄÆ÷²ÄΪ________
A£®Î»ÒÆ´«¸ÐÆ÷B£®Ëٶȴ«¸ÐÆ÷
C£®Ô˶¯´«¸ÐÆ÷D£®¹âµçÃÅ´«¸ÐÆ÷
СÌâ2:ÒÒͬѧÀûÓôòµã¼ÆʱÆ÷ÔÚ̽¾¿Ð¡³µËÙ¶ÈËæʱ¼ä±ä»¯µÄ¹æÂÉʱ£¬µÃµ½Ò»ÌõÈçÏÂͼËùʾµÄÖ½´ø¡£¸Ãͬѧ´ÓijµãO¿ªÊ¼£¬ÔÚÖ½´øÉÏÿ¸ô4¸öµãÁ¬ÐøÈ¡ÁË7¸ö¼ÆÊýµã£¨Í¼ÖÐÏàÁÚÁ½¸ö¼ÆÊýµã¼äµÄ4¸öµãûÓл­³ö£©¡£ÒÑÖª½»Á÷µçƵÂÊ50Hz£¬¸ù¾ÝÖ½´øÌṩµÄÊý¾Ý¿ÉµÃ£º´òµã¼ÆʱÆ÷ÔÚ´òÏÂAµãʱµÄËÙ¶ÈvA£½______m/s£¬Ö½´øÔ˶¯µÄ¼ÓËٶȴóСΪ____________m/s2¡££¨½á¹û¾ù±£ÁôÁ½Î»ÓÐЧÊý×Ö£©

СÌâ3:±ûͬѧÓÃÊýÂëÉãÏñ»ú¶ÔƽÅ×Ô˶¯½øÐÐÑо¿£¬ËûÅÄÉã²¢¼Ç¼ÁËÅ×ÎïÏ߹켣µÄÒ»²¿·Ö£¬ÈçͼËùʾ¡£Oµã²»ÊÇÅ׳öµã£¬xÖáÑØˮƽ·½Ïò£¬ÓÉͼÖÐËù¸øµÄÊý¾Ý¿ÉÇó³öƽÅ×ÎïÌåµÄ³õËÙ¶ÈÊÇ       m/s ¡££¨gÈ¡10m/s2£©

²é¿´´ð°¸ºÍ½âÎö>>

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

СÃ÷ͬѧÓÃËùʾµÄʵÑé×°ÖÃÑé֤ţ¶ÙµÚ¶þ¶¨ÂÉ£¬Ò»¶Ë¹Ì¶¨Óж¨»¬Âֵij¤Ä¾°åˮƽ·ÅÔÚ×ÀÃæÉÏ£¬É³Í°Í¨¹ýÈƹý¶¨»¬ÂÖµÄϸÏßÀ­¶¯Ð¡³µ£¬Ï¸ÏßÓ볤ľ°åƽÐУ¬Ð¡³µÉϹ̶¨ºÐ×Ó£¬ºÐ×ÓÄÚÊ¢ÓÐɳ×Ó¡£

СÌâ1:ËýÏëÓÃÉ°ºÍÉ°Í°µÄÖØÁ¦±íʾϵͳ(С³µ¡¢ºÐ×Ó¼°ºÐÄÚɳ×Ó¡¢Ðü¹ÒµÄÍ°ÒÔ¼°Í°ÄÚɳ×Ó)Êܵ½µÄºÏÍâÁ¦£¬ÎªÁ˼õÉÙÕâÖÖ×ö·¨´øÀ´µÄʵÑéÎó²î£¬ÄãÈÏΪʵÑéÖл¹Ó¦¸Ã²ÉÈ¡µÄ´ëÊ©ÊÇ£º
                                                                          
СÌâ2:ÑéÖ¤ÔÚϵͳÖÊÁ¿²»±äµÄÇé¿öÏ£¬¼ÓËÙ¶ÈÓëºÏÍâÁ¦³ÉÕý±È   
´ÓºÐ×ÓÖÐÈ¡³öһЩɳ×Ó£¬×°ÈëɳͰÖУ¬³ÆÁ¿²¢¼Ç¼ɳͰµÄ×ÜÖØÁ¦£¬½«¸ÃÁ¦ÊÓΪºÏÍâÁ¦F£¬¶ÔÓ¦µÄ¼ÓËÙ¶ÈÔò´Ó´òϵÄÖ½´øÖмÆËãµÃ³ö¡£¶à´Î¸Ä±äºÏÍâÁ¦FµÄ´óС£¬Ã¿´Î¶¼»áµÃµ½Ò»¸öÏàÓ¦µÄ¼ÓËٶȡ£±¾´ÎʵÑéÖУ¬Í°ÄÚµÄɳ×ÓÈ¡×ÔС³µÖС£¹ÊϵͳµÄ×ÜÖÊÁ¿²»±ä¡£ÒÔºÏÍâÁ¦FΪºáÖᣬÒÔ¼ÓËÙ¶ÈΪ×ÝÖᣬ»­³ö¡ªFͼÏñ£¬Í¼ÏñÊÇÒ»Ìõ¹ýÔ­µãµÄÖ±Ïß¡£
¡ªFͼÏñбÂʵÄÎïÀíÒâÒåÊÇ                                             
_________________________                              _______________
±¾´ÎʵÑéÖУ¬ÊÇ·ñÓ¦¸ÃÂú×ãÐü¹ÒµÄɳͰ×ÜÖÊÁ¿Ò»¶¨ÒªÔ¶Ô¶Ð¡ÓÚС³µ(°üÀ¨Ê¢É³µÄºÐ¼°ºÐÄÚµÄÉ°)µÄ×ÜÖÊÁ¿?   ´ð£º____________(Ìî¡°ÊÇ¡±»ò¡°·ñ¡±)£»ÀíÓÉÊÇ________________                                             ____                                                ____.
СÌâ3:ÑéÖ¤ÔÚºÏÍâÁ¦²»±äµÄÇé¿öÏ£¬¼ÓËÙ¶ÈÓëÖÊÁ¿³É·´±È
±£³ÖÍ°ÄÚɳ×ÓÖÊÁ¿²»±ä£¬ÔÚºÐ×ÓÄÚÌí¼Ó»òÈ¥µôһЩɳ×Ó£¬ÑéÖ¤¼ÓËÙ¶ÈÓëÖÊÁ¿µÄ¹Øϵ¡£
±¾´ÎʵÑéÖУ¬Í°ÄÚµÄɳ×Ó×ÜÖÊÁ¿²»±ä£¬¹ÊϵͳµÄËùÊܵĺÏÍâÁ¦²»±ä¡£ÓÃͼÏñ·¨´¦ÀíÊý¾Ýʱ£¬ÒÔ¼ÓËÙ¶ÈΪ×ÝÖᣬӦ¸ÃÒÔÄÄÒ»¸öÖÊÁ¿µÄµ¹ÊýΪºáÖá?
A£®Ð¡³µÖÊÁ¿¡¢ºÐ×Ó¼°ºÐÄÚɳ×ÓÖÊÁ¿Ö®ºÍ
B£®Ð¡³µÖÊÁ¿¡¢ºÐ×Ó¼°ºÐÄÚɳ×ÓÓëÐü¹ÒµÄɳͰ(°üÀ¨Í°ÓëÍ°ÄÚµÄɳ)ÖÊÁ¿Ö®ºÍ
´ð£º_____________(Ìî¡°A¡±»ò¡°B¡±)

²é¿´´ð°¸ºÍ½âÎö>>

ͬ²½Á·Ï°²á´ð°¸