ÔÚ̽¾¿¼ÓËÙ¶ÈÓëÁ¦¡¢ÖÊÁ¿µÄ¹ØϵʵÑéÖУ¬²ÉÓÃÈçͼËùʾµÄʵÑé×°Öã¬Ð¡³µ¼°³µÖÐíÀÂëµÄÖÊÁ¿ÓÃM±íʾ£¬Å̼°ÅÌÖÐíÀÂëµÄÖÊÁ¿ÓÃm±íʾ£¬Ð¡³µµÄ¼ÓËٶȿÉÓÉС³µºóÍ϶¯µÄÖ½´øÓÉ´òµã¼ÆʱÆ÷´òÉϵĵã¼ÆËã³ö£®
(2)¡¢Ò»×éͬѧÔÚ×ö¼ÓËÙ¶ÈÓëÖÊÁ¿µÄ¹ØϵʵÑéʱ£¬±£³ÖÅ̼°ÅÌÖÐíÀÂëµÄÖÊÁ¿Ò»¶¨£¬¸Ä±äС³µ¼°³µÖÐíÀÂëµÄÖÊÁ¿£¬²â³öÏàÓ¦µÄ¼ÓËٶȣ¬²ÉÓÃͼÏó·¨´¦ÀíÊý¾Ý£®ÎªÁ˱ȽÏÈÝÒ×µØÈ·¶¨³ö¼ÓËÙ¶ÈaÓëÖÊÁ¿MµÄ¹Øϵ£¬Ó¦¸Ã×÷aÓë________µÄͼÏó£®


(3)Èçͼ(a)Ϊ¼×ͬѧ¸ù¾Ý²âÁ¿Êý¾Ý×÷³öµÄa£­FͼÏߣ¬ËµÃ÷ʵÑé´æÔÚµÄÎÊÌâÊÇ
______________________________________________________£®
(4)ÒÒ¡¢±ûͬѧÓÃͬһװÖÃ×öʵÑ飬»­³öÁ˸÷×Եõ½µÄa£­FͼÏßÈçͼ(b)Ëùʾ£¬Á½¸öͬѧ×öʵÑéʱµÄÄÄÒ»¸öÎïÀíÁ¿È¡Öµ²»Í¬£¿
______________________________________________________________.
(1)M?m¡¡(2)1/M¡¡(3)ûÓÐƽºâĦ²ÁÁ¦»òƽºâĦ²ÁÁ¦²»¹»¡¡
(4)С³µ¼°³µÉϵÄíÀÂëµÄ×ÜÖÊÁ¿²»Í¬

ÊÔÌâ·ÖÎö£º(1)±¾ÌâʵÑé´óÖÂÈÏΪÉþ×ÓµÄÀ­Á¦µÈÓÚС³µËùÊܺÏÍâÁ¦£¬Ç°ÌáÌõ¼þÊÇM?m¡¡(2)ÓÉÅ£¶ÙµÚ¶þ¶¨ÂÉ£¬ËùÒÔÓ¦¸Ã×÷aÓë1/MµÄͼÏó(3)´ÓͼÏñÖпÉÒÔ¿´³öµ±aΪÁãʱ£¬F²»ÎªÁ㣬˵Ã÷ûÓÐƽºâĦ²ÁÁ¦»òƽºâĦ²ÁÁ¦²»¹»(4)ÓÉͼÏñ¿É֪бÂʲ»Í¬£¬1/M²»Í¬£¬Ð¡³µ¼°³µÉϵÄíÀÂëµÄ×ÜÖÊÁ¿²»Í¬
µãÆÀ£ºÄѶȽÏС£¬±¾ÊµÑéÈÏΪÉþ×ÓµÄÀ­Á¦µÈÓÚС³µµÄºÏÍâÁ¦£¬ÎªÁËÑØ×ÅÅ£¶ÙµÚ¶þ¶¨ÂÉÐèҪȷ¶¨ÔÚδʩ¼ÓÀ­Á¦Ê±£¬Ð¡³µËùÊܺÏÍâÁ¦ÎªÁã
Á·Ï°²áϵÁдð°¸
Ïà¹ØÏ°Ìâ

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

ÓÃͼËùʾװÖÃ×ö¡°Ñо¿Óй̶¨×ª¶¯ÖáÎïÌåµÄƽºâÌõ¼þ¡±µÄʵÑ飬Á¦¾ØÅÌÉϸ÷ͬÐÄÔ²µÄ¼ä¾àÏàµÈ£¬ÔÚÓÃϸÏßÐü¹Ò¹³ÂëÇ°£¬ÏÂÁдëÊ©ÖÐÄÄЩÊDZØÒªµÄ      £¨     £©
A£®ÅжÏÁ¦¾ØÅÌÊÇ·ñ´¦ÔÚÊúֱƽÃæ
B£®ÅжϺá¸ËMNÊÇ·ñÑϸñ±£³Öˮƽ
C£®ÅжÏÁ¦¾ØÅÌÓëתÖá¼äµÄĦ²ÁÊÇ·ñ×㹻С
D£®ÅжÏÁ¦¾ØÅ̵ÄÖØÐÄÊÇ·ñλÓÚÅÌÖÐÐÄ

²é¿´´ð°¸ºÍ½âÎö>>

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

£¨1£© ÔÚ¡°²â¶¨½ðÊôË¿µÄµç×èÂÊ¡±µÄʵÑéÖУ¬ÓÃÂÝÐý²â΢Æ÷²âÁ¿Ò»¸ùÍ­Ë¿µÄÖ±¾¶d£¬ÂÝÐý²â΢Æ÷µÄ²âÁ¿¾«¶ÈΪ________mm£»ÆäÖÐÒ»´Î²âÁ¿½á¹ûÈçÓÒͼËùʾ£¬¶ÁÊýΪd£½________cm.

£¨2£©ÎªÁËÌá¸ßµç×èÂʵIJâÁ¿¾«¶È£¬ÒÔÏ´ëÊ©²»±ØÒªµÄÊÇ___
A£®½ðÊôË¿³¤¶ÈӦΪÓÐЧ³¤¶È£¬¼´½ÓÈë²âÁ¿µç·ʱÁ½¶ËµÄ½Ó´¥µãÖ®¼äµÄ³¤¶È£®
B£®³¤¶ÈÓÃÃ׳߲âÁ¿Èý´Î£¬Çóƽ¾ùÖµ
C£®»¬¶¯±ä×èÆ÷²ÉÓ÷Öѹʽ½Ó·¨
D£®²âÁ¿Ö±¾¶Ê±£¬Ó¦ÔÚ²»Í¬²¿Î»²âÈý´ÎÇóƽ¾ùÖµ

²é¿´´ð°¸ºÍ½âÎö>>

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

£¨8·Ö£©Èçͼ¼×Ëùʾ£¬ÀûÓôòµã¼ÆʱÆ÷²âÁ¿Ð¡³µÑØбÃæÏ»¬Ê±ËùÊÜ×èÁ¦µÄʾÒâͼ£¬Ð¡³µÍÏÔÚбÃæÉÏÏ»¬Ê±£¬´ò³öµÄÒ»¶ÎÖ½´øÈçͼÒÒËùʾ£¬ÆäÖÐOΪС³µ¿ªÊ¼Ô˶¯Ê±´ò³öµÄµã¡£ÉèÔÚбÃæÉÏÔ˶¯Ê±ËùÊÜ×èÁ¦ºã¶¨¡£

¼×

ÒÒ
(1)ÒÑÖª´òµã¼ÆʱÆ÷ʹÓõĽ»Á÷µçƵÂÊΪ50 Hz£¬ÔòС³µÏ»¬µÄ¼ÓËٶȦÁ=       m/s2£¬´òEµãʱС³µËÙ¶È=     m/s£¨¾ùÈ¡Á½Î»ÓÐЧÊý×Ö£©¡£
(2)ΪÁËÇó³öС³µÔÚÏ»¬¹ý³ÌÖÐËùÊܵÄ×èÁ¦£¬¿ÉÔËÓÃÅ£¶ÙÔ˶¯¶¨ÂÉ»ò¶¯Äܶ¨ÀíÇó½â£¬ÔÚÕâÁ½ÖÖ·½°¸ÖгýÖªµÀС³µÏ»¬µÄ¼ÓËÙ¶Èa¡¢´òEµãʱËٶȡ¢Ð¡³µÖÊÁ¿m¡¢ÖØÁ¦¼ÓËÙ¶ÈgÍ⣬ÀûÓÃÃ׳߻¹ÐèÒª²âÁ¿ÄÄЩÎïÀíÁ¿£¬Áгö×èÁ¦µÄ±í´ïʽ¡£
·½°¸Ò»£ºÐèÒª²âÁ¿µÄÎïÀíÁ¿            £¬×èÁ¦µÄ±í´ïʽ£¨ÓÃ×Öĸ±íʾ£©          £»
·½°¸¶þ£ºÐèÒª²âÁ¿µÄÎïÀíÁ¿           £¬×èÁ¦µÄ±í´ïʽ£¨ÓÃ×Öĸ±íʾ£©           ¡£

²é¿´´ð°¸ºÍ½âÎö>>

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

ÔÚ×ö¡°Ñо¿ÔȱäËÙÖ±ÏßÔ˶¯¡±µÄʵÑéʱ£¬µÃµ½Ò»ÌõÖ½´øÈçͼËùʾ£¬A¡¢B¡¢C¡¢D¡¢E¡¢F¡¢GΪ¼ÆÊýµã£¬Ã¿Á½¸ö¼ÆÊýµã¼ä»¹ÓÐ4¸öµãδ»­³ö£¬x1 ="1.20cm," x 2 ="1.60cm," x 3 ="2.00cm," x 4 =2.40cm,  x 5 =2.80cm,  x 6 =3.20cm

£¨1£©ÎªÁ˴ﵽʵÑéµÄÄ¿µÄ£¬³ýÁËÓн»Á÷µçÔ´¡¢µç»ð»¨´òµã¼ÆʱÆ÷¡¢Ö½´ø¡¢Ð¡³µ¡¢Ï¸Éþ¡¢µ¼Ïß¡¢Ð¡Ä¾¿é¡¢³¤Ä¾°åÍ⣬»¹ÐèÒªµÄÒÇÆ÷ÓР        .
£¨2£©¸ù¾ÝÖ½´ø¿ÉÅж¨ÎïÌå×ö         Ö±ÏßÔ˶¯£®£¨Ñ¡Ìî¡°ÔȼÓËÙ¡±¡¢¡°ÔȼõËÙ¡±»ò¡°ÔÈËÙ¡±£©
£¨3£©µç»ð»¨´òµã¼ÆʱÆ÷µÄ¹¤×÷µçѹΪ______£¬´òµãÖÜÆÚΪ________£¬Ã¿¸ô________S´òÒ»´Îµã¡£
£¨4£©ÎïÌåÔ˶¯ÔÚBµãµÄ˲ʱËٶȱí´ïʽΪVB=                   m/s£¬VC=                   m/s/¡£
£¨5£©¼ÆËãÎïÌåµÄ¼ÓËÙ¶Èa=                    m/s2¡£

²é¿´´ð°¸ºÍ½âÎö>>

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

ijʵÑéС×éÀûÓÃÈçͼËùʾµÄ×°ÖýøÐС°Ì½¾¿¼ÓËÙ¶ÈÓëºÏÍâÁ¦µÄ¹Øϵ¡±µÄʵÑé¡£
£¨1£©ÔÚʵÑéÖбØÐ뽫³¤Ä¾°åÓҶ˵æ¸ß£¬Ä¿µÄÊÇ                            £¬µ±²»¹Ò¹³ÂëʱС³µÄÜÔÈËÙÔ˶¯Ê±£¬±íÃ÷Òѵ÷ºÃ¡£

£¨2£©ÎªÁ˼õСÎó²î£¬Ã¿´ÎʵÑé±ØÐëͨ¹ý¸Ä±ä¹³ÂëµÄ¸öÊýÀ´¸Ä±äС³µËùÊܺÏÍâÁ¦£¬»ñÈ¡¶à×éÊý¾Ý¡£ÈôС³µÖÊÁ¿Îª400g£¬ÊµÑéÖÐÿ´ÎËùÓõĹ³Âë×ÜÖÊÁ¿·¶Î§Ó¦Ñ¡       ×é»á±È½ÏºÏÀí¡££¨ÌîÑ¡ÏîÇ°µÄ×Öĸ£©
A£®10g¡«40g          
B£®200g¡«400g           
C£®1000g¡«2000g     
£¨3£©ÊµÑéÖдòµã¼ÆʱÆ÷ËùʹÓõÄÊÇ        £¨½»Á÷¡¢Ö±Á÷£©µçÔ´£¬ ͼÖиø³öµÄÊÇʵÑéÖлñÈ¡µÄÖ½´øµÄÒ»²¿·Ö£º1¡¢2¡¢3¡¢4¡¢5ÊǼÆÊýµã£¬Ã¿ÏàÁÚÁ½¼ÆÊýµã¼ä»¹ÓÐ4¸ö´òµãδ±ê³ö£¬Ã¿Á½¸ö¼ÆÊýµã¼äµÄʱ¼ä¼ä¸ôÊÇ       £¬ÓɸÃÖ½´ø¿ÉÇóµÃС³µµÄ¼ÓËÙ¶È=      .£¨¼ÆËã½á¹û±£ÁôÈýλÓÐЧÊý×Ö£©

£¨4£©¸Ä±ä¹³ÂëµÄ¸öÊýÖظ´ÊµÑ飬µÃµ½¼ÓËÙ¶ÈÓëºÏÍâÁ¦FµÄ¹ØϵÈçͼËùʾ£¬·ÖÎöÏ߶ÎOA£¬¿ÉµÃ³öʵÑéµÄ½áÂÛÊÇ                                            

²é¿´´ð°¸ºÍ½âÎö>>

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

ÔÚ¡°Ì½¾¿¼ÓËÙ¶ÈÓëÁ¦¡¢ÖÊÁ¿µÄ¹Øϵ¡±ÊµÑéÖУ¬Ä³ÊµÑéС×éÓÃÈçͼËùʾװÖ㬲ÉÓÿØÖƱäÁ¿µÄ·½·¨À´Ñо¿Ð¡³µÖÊÁ¿²»±äµÄÇé¿öÏ£¬Ð¡³µµÄ¼ÓËÙ¶ÈÓëС³µÊܵ½Á¦µÄ¹Øϵ¡£
£¨1£©´ËʵÑéС×éËùÓõçԴƵÂÊΪ50Hz£¬µÃµ½µÄÖ½´øÈçͼËùʾ£¬ÉáȥǰÃæ±È½ÏÃܼ¯µÄµã£¬´ÓOµã¿ªÊ¼£¬ÔÚÖ½´øÉÏÈ¡A¡¢B¡¢CÈý¸ö¼Æʱµã£¨OA¼äµÄ¸÷µãûÓбê³ö£©£¬ÒÑÖªd1=3.0cm£¬d2=4.8cm,d3=6.8cm.ÔòС³µÔ˶¯µÄ¼ÓËÙ¶ÈΪ          m/s2£¨½á¹û±£Áô2λÓÐЧÊý×Ö£©

£¨2£©Ä³ÊµÑéС×éµÃµ½µÄͼÏßAB¶ÎÃ÷ÏÔÆ«ÀëÖ±Ïߣ¬Ôì³É´ËÎó²îµÄÖ÷ÒªÔ­ÒòÊÇ£¨     £©

A¡¢Ð¡³µÓë¹ìµÀÖ®¼ä´æÔÚĦ²Á
B¡¢µ¼¹ì±£³ÖÁËˮƽ״̬
C¡¢íÀÂëÅÌÌí¼ÓíÀÂëµÄ×ÜÖÊÁ¿Ì«´ó
D¡¢ËùÓÃС³µµÄÖÊÁ¿Ì«´ó

²é¿´´ð°¸ºÍ½âÎö>>

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

£¨9·Ö£©Ä³Í¬Ñ§Éè¼ÆÁËÒ»¸ö̽¾¿¼ÓËÙ¶ÈaÓëÎïÌåËùÊܺÏÁ¦ F¼°ÖÊÁ¿m¹ØϵµÄʵÑ飬ͼ£¨a£©ÎªÊµÑé×°Öüòͼ¡££¨½»Á÷µçµÄƵÂÊΪ50Hz£©


£¨1£©Í¼£¨b£©ÎªÄ³´ÎʵÑéµÃµ½µÄÖ½´ø£¬¸ù¾ÝÖ½´ø¿ÉÇó³öС³µµÄ¼ÓËٶȴóСΪ_________m/s2¡££¨±£Áô¶þλÓÐЧÊý×Ö£©
£¨2£©±£³ÖÉ°ºÍÉ°Í°ÖÊÁ¿²»±ä£¬¸Ä±äС³µÖÊÁ¿m£¬·Ö±ðµÃµ½Ð¡³µ¼ÓËÙ¶ÈaÓëÖÊÁ¿m¼°¶ÔÓ¦µÄ1/m£¬Êý¾ÝÈçÏÂ±í£º
ʵÑé´ÎÊý
1
2
3
4
5
6
7
8
С³µ¼ÓËÙ¶Èa/m¡¤s¨C2
1£®90
1£®72
1£®49
1£®25
1£®00
0£®75
0£®50
0£®30
С³µÖÊÁ¿m/kg
0£®25
0£®29
0£®33
0£®40
0£®50
0£®71
1£®00
1£®67

4£®00
3£®45
3£®03
2£®50
2£®00
1£®41
1£®00
0£®60
ÇëÔÚ·½¸ñ×ø±êÖ½Öл­³öa¨C1/mͼÏߣ¬²¢´ÓͼÏßÇó³öС³µ¼ÓËÙ¶ÈaÓëÖÊÁ¿µ¹Êý1/mÖ®¼äµÄ¹ØϵʽÊÇ         ¡£

£¨3£©ÓÐһλͬѧͨ¹ýʵÑé²âÁ¿×÷³öÁËͼ£¨c£©ÖеÄAͼÏß, ÁíһλͬѧʵÑé²â³öÁËÈçͼ£¨c£©ÖеÄBͼÏߣ®ÊÔ·ÖÎö£º

(1)AͼÏßÉϲ¿ÍäÇúµÄÔ­Òò____________________________________________________£»
(2)BͼÏßÔÚ×ÝÖáÉÏÓнؾàµÄÔ­Òò                                             £»

²é¿´´ð°¸ºÍ½âÎö>>

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

ÔÚÒ»´Î¿ÎÍâ»î¶¯ÖУ¬Ä³Í¬Ñ§ÓÃͼ£¨a£©ËùʾװÖòâÁ¿·ÅÔÚˮƽ¹â»¬×ÀÃæÉÏÌú¿éAÓ볤½ðÊôB¼äµÄ¶¯Ä¦²ÁÒòÊý¡£ÒÑÖªÌú¿éAµÄÖÊÁ¿m=1kg£¬½ðÊô°åBµÄÖÊÁ¿m¡ä=0.5kg£¬ÓÃˮƽÁ¦FÏò×óÀ­½ðÊô°åB£¬Ê¹ÆäÏò×óÔ˶¯£¬µ¯»É³ÓʾÊýµÄ·Å´óÇé¿öÈçͼËùʾ£¬ÔòA¡¢B¼äµÄĦ²ÁÁ¦F=          N£¬A¡¢B¼äµÄ¶¯Ä¦²ÁÒòÊý¦Ì=       £¨gÈ¡10m/s2£©

²é¿´´ð°¸ºÍ½âÎö>>

ͬ²½Á·Ï°²á´ð°¸