ÌâÄ¿ÄÚÈÝ

Èçͼ9Ëùʾ£¬ÔÚÑéÖ¤¶¯Á¿Êغ㶨ÂɵÄʵÑéÖУ¬½«Ò»¸öÖÊÁ¿Îªm1µÄ¸ÖÇòA¶à´Î´Óб²Û¹ìµÀÉ϶˽ô¿¿¹Ì¶¨µ²°å´¦Óɾ²Ö¹ÊÍ·Å£¬Õâ¸ö¸ÖÇò¾­¹ýб²Û¹ìµÀºóÓÉˮƽ¹ìµÀ·É³ö£¬ÔÚµØÃæÉÏÂäµãµÄƽ¾ùλÖÃΪPµã¡£È»ºóÔÚˮƽ¹ìµÀÄ©¶Ë·ÅÖÃÒ»¸öÖÊÁ¿Îªm2µÄ½ºÄ¾ÇòB(A¡¢BÁ½ÇòµÄ°ë¾¶ÏàµÈ)£¬½«AÇòÈÔÈ»¶à´Î´Óб²Û¹ìµÀµÄͬһλÖÃÓɾ²Ö¹ÊÍ·Å£¬ºÍÇòB·¢ÉúÅöײ£¬ÅöºóÁ½Çò·Ö±ðÂäµ½µØÃæÉÏ£¬¸ù¾ÝÁ½ÇòÂäÔÚµØÃæµÄºÛ¼£È·¶¨Á½Çò¸÷×ÔµÄÂäµØµãµÄƽ¾ùλÖ÷ֱðΪMµãºÍNµã¡£Ë®Æ½¹ìµÀÄ©¶ËÖØ´¸ÏßÖ¸ÏòµØÃæµÄOµã£¬²âµÃOM£½s1£¬OP£½s2£¬ON£½s3¡£ÖØÁ¦¼ÓËÙ¶ÈΪg¡£
¡¡¡¡£¨1£©Èô²âÁ¿³öˮƽ¹ìµÀµ½µØÃæµÄ¸ß¶ÈΪh£¬ÔòÓëBÁ½ÇòÏàÅöÇ°µÄ˲¼äAÇòµÄËÙ¶Èv1£½______________¡£
¡¡¡¡£¨2£©ÔÚÔÊÐíÎó²î·¶Î§ÄÚ£¬µ±m1¡¢m2¡¢s1¡¢s2¡¢s3Âú×ã¹Øϵʽ_____________________ʱ£¬¾Í±íÃ÷ͨ¹ý¸ÃʵÑéÑéÖ¤ÁËÁ½ÇòÅöײ¹ý³ÌÖж¯Á¿Êغ㡣


¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡

£¨1£©¡­¡­¡­¡­£¨1·Ö£©£¬£¨2£©m1s2£½m1s1+m2s3¡­¡­¡­¡­£¨3·Ö£©¡£

Á·Ï°²áϵÁдð°¸
Ïà¹ØÌâÄ¿
ijʵÑéС×é²ÉÓÃÈçͼ1ËùʾµÄ×°ÖÃ̽¾¿¡°¶¯Äܶ¨Àí¡±£¬Ð¡³µÄÚ¿É·ÅÖÃíÀÂ룬ʵÑéÖУ¬Ð¡³µÅöµ½Öƶ¯×°ÖÃʱ£¬¹³ÂëÉÐδµ½´ïµØÃ棬´òµã¼ÆʱÆ÷¹¤×÷ƵÂÊΪ50Hz£®

£¨1£©ÊµÑéµÄ²¿·Ö²½ÖèÈçÏ£¬Ç뽫²½Öè¢Ú²¹³äÍêÕû£®                                                         
²âÁ¿µã s/cm  v/£¨m?s-1£©
0 0.00 0.35
A 1.51 0.40
B 3.20 0.45
C    
D 7.15 0.54
E 9.41 0.60
¢ÙÔÚС³µÄÚ·ÅÈËíÀÂ룬°ÑÖ½´ø´©¹ý´òµã¼ÆʱÆ÷ÏÞλ¿×£¬Á¬ÔÚС³µºó¶Ë£¬ÓÃϸÏß¿ç¹ý¶¨»¬ÂÖÁ¬½ÓС³µºÍ¹³Â룻
¢Ú½«Ð¡³µÍ£ÔÚ´òµã¼ÆʱÆ÷¸½½ü£¬ÏÈ
½ÓͨµçÔ´
½ÓͨµçÔ´
ÔÙ
ÊÍ·ÅС³µ
ÊÍ·ÅС³µ
£¬Ð¡³µÍ϶¯Ö½´ø£¬´òµã¼ÆʱÆ÷ÔÚÖ½´øÉÏ´òÏÂÒ»Áе㣬¹Ø±ÕµçÔ´£»
¢Û¸Ä±ä¹³Âë»òС³µÄÚíÀÂëµÄÊýÁ¿£¬¸ü»»Ö½´ø£¬Öظ´¢ÚµÄ²Ù×÷£¬
£¨2£©Í¼2Êǹ³ÂëÖÊÁ¿Îª0.03kg£¬íÀÂëÖÊÁ¿Îª0.02kgʱµÃµ½µÄÒ»ÌõÖ½´ø£¬ÔÚÖ½´øÉÏÑ¡ÔñÆðʼµã0¼°A¡¢B¡¢C¡¢DºÍEÎå¸ö¼ÆÊýµã£¬¿É»ñµÃ¸÷¼ÆÊýµãµ½0µãµÄ¾àÀës¼°¶ÔӦʱ¿ÌС³µµÄ˲ʱËÙ¶Èv£¨¼û±í1£©£¬Ç뽫CµãµÄ²âÁ¿½á¹ûÌîÔÚ±í1ÖеÄÏàӦλÖã®
£¨3£©ÊµÑéС×é¸ù¾ÝʵÑéÊý¾Ý»æ³öÁËͼ3ÖеÄͼÏߣ¨ÆäÖС÷v2=£¨v2-v20£©£¬¸ù¾ÝͼÏß¿É»ñµÃµÄ½áÂÛÊÇ
¡÷v
2
 
ÓëλÒÆs³ÉÕý±È
¡÷v
2
 
ÓëλÒÆs³ÉÕý±È
ÒªÑéÖ¤¡°¶¯Äܶ¨Àí¡±£¬»¹ÐèÒª²âÁ¿µÄÎïÀíÁ¿ÊÇĦ²ÁÁ¦ºÍ
С³µÖÊÁ¿M
С³µÖÊÁ¿M
£®
£¨1£©Ä³ÊµÑéС×é²ÉÓÃͼ1ËùʾµÄ×°ÖÃ̽¾¿¡°¶¯Äܶ¨Àí¡±£¬Í¼ÖÐС³µÖпɷÅÖÃíÀÂ룬ʵÑéÖУ¬Ð¡³µÅöµ½Öƶ¯×°ÖÃʱ£¬¹³ÂëÉÐδµ½´ïµØÃ棬´òµãÕëʱÆ÷¹¤×÷ƵÂÊΪ50Hz£®
¢ñ£®ÊµÑéµÄ²¿·Ö²½ÖèÈçÏ£º
¢ÙÔÚС³µÖзÅÈëíÀÂ룬°ÑÖ½´ø´©¹ý´òµã¼ÆʱÆ÷£¬Á¬ÔÚС³µºó¶Ë£¬ÓÃϸÏßÁ¬½ÓС³µºÍ¹³Â룻
¢Ú½«Ð¡³µÍ£ÔÚ´òµã¼ÆʱÆ÷¸½½ü£¬½ÓͨµçÔ´£¬ÊÍ·ÅС³µ£¬Ð¡³µÍ϶¯Ö½´ø£¬´òµã¼ÆʱÆ÷ÔÚÖ½´øÉÏ´òÏÂÒ»Áе㣬¶Ï¿ª¿ª¹Ø£»
¢Û¸Ä±ä¹³Âë»òС³µÖÐíÀÂëµÄÊýÁ¿£¬¸ü»»Ö½´ø£¬Öظ´¢ÚµÄ²Ù×÷£®
¢ò£®Í¼2Êǹ³ÂëÖÊÁ¿Îª0.03kg£¬íÀÂëÖÊÁ¿Îª0.02kgʱµÃµ½µÄÒ»ÌõÖ½´ø£¬ÔÚÖ½´øÉÏÑ¡ÔñÆðʼµãO¼°A¡¢B¡¢C¡¢DºÍEÎå¸ö¼ÆÊýµã£¬¿É»ñµÃ¸÷¼ÆÊýµãµ½OµÄ¾àÀës¼°¶ÔӦʱ¿ÌС³µµÄ˲ʱËÙ¶Èv£¬Ç뽫CµãµÄ²âÁ¿½á¹ûÌîÔÚ±í1ÖеÄÏàӦλÖ㨼ÆËã½á¹û±£ÁôÁ½ÍâÓÐЧÊý×Ö£©£®

¢ó£®ÔÚС³µµÄÔ˶¯¹ý³ÌÖУ¬¶ÔÓÚ¹³Âë¡¢íÀÂëºÍС³µ×é³ÉµÄϵͳ£¬
¹³ÂëµÄÖØÁ¦
¹³ÂëµÄÖØÁ¦
×öÕý¹¦£¬
С³µËùÊÜ×èÁ¦
С³µËùÊÜ×èÁ¦
×ö¸º¹¦£®
¢ô£®ÊµÑéС×é¸ù¾ÝʵÑéÊý¾Ý»æ³öÁËͼ3ÖеÄͼÏߣ¨ÆäÖС÷v2=v2-v20£©£¬¸ù¾ÝͼÏß¿É»ñµÃµÄ½áÂÛÊÇ
С³µ³õÄ©ËٶȵÄƽ·½²îÓëλÒƳÉÕý±È
С³µ³õÄ©ËٶȵÄƽ·½²îÓëλÒƳÉÕý±È
£®ÒªÑéÖ¤¡°¶¯Äܶ¨Àí¡±£¬»¹ÐèÒª²âÁ¿µÄÎïÀíÁ¿ÊÇĦ²ÁÁ¦ºÍ
С³µµÄÖÊÁ¿
С³µµÄÖÊÁ¿
£®
±í1Ö½´øµÄ²âÁ¿½á¹û
²âÁ¿µã s/cm v/£¨m
0 0.00 0.35
A 1.51 0.40
B 3.20 0.45
C
5.06
5.06
0.49
0.49
D 7.15 0.54
E 9.41 0.60
£¨2£©¼×¡¢ÒÒÁ½¸öʵÑéС×éÑ¡ÓÃÏÂÃ治ͬµÄʵÑéÆ÷²ÄÍê³É¡°²â¶¨½ðÊôË¿µÄµç×èÂÊ¡±µÄʵÑ飬³ý´ý²â½ðÊôË¿£¨½ðÊôË¿µÄµç×èRxԼΪ3¦¸£©Í⣬ʵÑéÊÒ»¹±¸ÓеÄʵÑéÆ÷²ÄÈçÏ£º
A£®µçѹ±íV1£¨Á¿³Ì3V£¬ÄÚ×èԼΪ15k¦¸£©     B£®µçѹ±íV2£¨Á¿³Ìl5V£¬ÄÚ×èԼΪ75k¦¸£©
C£®µçÁ÷±íA1£¨Á¿³Ì3A£¬ÄÚ×èԼΪ0.2¦¸£©     D£®µçÁ÷±íA2£¨Á¿³Ì600mA£¬ÄÚ×èԼΪ1¦¸£©
E£®»¬¶¯±ä×èÆ÷R1£¨0¡«100¦¸£¬0.6A£©          F£®»¬¶¯±ä×èÆ÷R2£¨0¡«2000¦¸£¬0.1A£©
G£®Êä³öµçѹΪ3VµÄÖ±Á÷ÎÈѹµçÔ´E        H£®ÂÝÐý²â΢Æ÷£¨Ç§·Ö³ß£©¡¢¿Ì¶È³ß
I£®µç×èÏä                                J£®¿ª¹ØS£¬µ¼ÏßÈô¸É
¼××é¸ù¾ÝÑ¡ÓõÄÆ÷²ÄÉè¼ÆÁË£¨a£©¡¢£¨b£©Á½¸ö²âµç×èµÄµç·ͼ4£®Ôò£º
¢ÙΪ¼õСʵÑéÎó²î£¬¼××éͬѧ»¹Ñ¡ÓõÄʵÑéÆ÷²ÄÓУ¨Ìî´úºÅ£©
ADEGH
ADEGH
£®Ñ¡Óõĵç·ͼ
b
b
 £¨Ñ¡Ìî¡°£¨a£©¡±»ò¡°£¨b£©¡±£©£¬µ«Óøõç·µç×èµÄ²âÁ¿Öµ½«
СÓÚ
СÓÚ
Õæʵֵ£®
¢ÚÈôÓÿ̶ȳ߲âµÃ½ðÊôµ¼Ïß³¤¶ÈΪl=60.00cm£¬ÓÃÂÝÐý²â΢Æ÷²âµÃ½ðÊôË¿µÄÖ±¾¶¼°Á½±íµÄʾÊý·Ö±ðÈçͼ5Ëùʾ£¬Ôò½ðÊôË¿µÄÖ±¾¶Îªd=
0.785
0.785
mm£®µçÁ÷±íºÍµçѹ±íµÄʾÊý·Ö±ðΪI=
1.20
1.20
AºÍU=
0.50
0.50
V£®ÓÃÉÏÊö²âÁ¿Êý¾Ý¿É¼ÆËã³öµç×èÂʵıí´ïʽΪ
¦ÐUd2
4IL
¦ÐUd2
4IL
£®
ÒÒ×éͬѧÈÔÓÃÂÝÐý²â΢Æ÷²âµÃ½ðÊôË¿µÄÖ±¾¶£¬¼ÇΪd£¬ÊµÎïµç·Èçͼ6£®ÊµÑéʱËûÃǼǼÁËÔÚµç×èÏä×èÖµÒ»¶¨µÄÇé¿öÏ£¬½ðÊôË¿½ÓÈ벻ͬµÄ³¤¶ÈLºÍ¶ÔÓ¦µÄµçÁ÷IµÄÖµ£¬½ÓÏÂÀ´ÔÚ×ø±êÖ½ÉÏ»­³öÁË
1
I
-LµÄ¹ØϵͼÏßÓÉÓÚÊÇÖ±Ïߣ¬ÉèÆäбÂÊΪk£¬Ö±Á÷ÎÈѹµçÔ´µÄÊä³öµçѹΪU£¬Ôò¼ÆËã½ðÊôË¿µç×èÂʵıí´ïʽΪ
kdU
kdU
£¨ÓÃk¡¢d¡¢U±íʾ£©
ijʵÑéС×é²ÉÓÃÈçͼ1ËùʾµÄ×°ÖÃ̽¾¿¡°¶¯Äܶ¨Àí¡±£¬Í¼ÖÐС³µÖпɷÅÖÃíÀÂ룮ʵÑéÖУ¬Ð¡³µÅöµ½Öƶ¯×°ÖÃʱ£¬¹³ÂëÉÐδµ½´ïµØÃ棬´òµã¼ÆʱÆ÷¹¤×÷ƵÂÊΪ50Hz£®

£¨1£©ÊµÑéµÄ²¿·Ö²½ÖèÈçÏ£º
¢ÙÔÚС³µÖзÅÈëíÀÂ룬°ÑÖ½´ø´©¹ý´òµã¼ÆʱÆ÷£¬Á¬ÔÚС³µºó¶Ë£¬ÓÃϸÏßÁ¬½ÓС³µºÍ¹³Â룻
¢Ú½«Ð¡³µÍ£ÔÚ´òµã¼ÆʱÆ÷¸½½ü£¬½ÓͨµçÔ´£¬ÊÍ·ÅС³µ£¬Ð¡³µÍ϶¯Ö½´ø£¬´òµã¼ÆʱÆ÷ÔÚÖ½´øÉÏ´òÏÂÒ»Áе㣬¹Ø±ÕµçÔ´£»
¢Û¸Ä±ä¹³Âë»òС³µÖÐíÀÂëµÄÊýÁ¿£¬¸ü»»Ö½´ø£¬Öظ´¢ÚµÄ²Ù×÷£®
£¨2£©Í¼2Êǹ³ÂëÖÊÁ¿Îª0.03kg£¬íÀÂëÖÊÁ¿Îª0.02kgʱµÃµ½µÄÒ»ÌõÖ½´ø£¬ÔÚÖ½´øÉÏÑ¡ÔñÆðʼµãO¼°A¡¢B¡¢C¡¢DºÍEÎå¸ö¼ÆÊýµã£¬¿É»ñµÃ¸÷¼ÆÊýµãµ½OµÄ¾àÀës¼°¶ÔӦʱ¿ÌС³µµÄ˲ʱËÙ¶Èv£®Ç뽫CµãµÄ²âÁ¿½á¹ûÌîÔÚ±í1ÖеÄÏàӦλÖã®
£¨3£©ÔÚС³µµÄÔ˶¯¹ý³ÌÖУ¬¶ÔÓÚ¹³Âë¡¢íÀÂëºÍС³µ×é³ÉµÄϵͳ£¬
¹³ÂëµÄÖØÁ¦
¹³ÂëµÄÖØÁ¦
×öÕý¹¦£¬
Ħ²ÁÁ¦
Ħ²ÁÁ¦
×ö¸º¹¦£®
£¨4£©ÊµÑéС×é¸ù¾ÝʵÑéÊý¾Ý»æ³öÁËͼ3ÖеÄͼÏߣ¨ÆäÖС÷v2=v2-v02£©£¬¸ù¾ÝͼÏß¿É»ñµÃµÄ½áÂÛÊÇ
¡÷v2ÓëS³ÉÕý±È
¡÷v2ÓëS³ÉÕý±È
£®ÒªÑéÖ¤¡°¶¯Äܶ¨Àí¡±£¬»¹ÐèÒª²âÁ¿µÄÎïÀíÁ¿ÊÇĦ²ÁÁ¦ºÍ
С³µµÄÖÊÁ¿
С³µµÄÖÊÁ¿
£®
±í1Ö½´øµÄ²âÁ¿½á¹û
²âÁ¿µã s/cm v/m?s-1
O 0.00 0.35
A 1.51 0.40
B 3.20 0.45
C
5.08
5.08
0.49
0.49
D 7.15 0.54
E 9.41 0.60
£¨1£©ÓÐͬѧÀûÓÃÈçͼ1µÄ×°ÖÃÀ´ÑéÖ¤Á¦µÄƽÐÐËıßÐζ¨Ôò£ºÔÚÊúֱľ°åÉÏÆÌÓа×Ö½£¬¹Ì¶¨Á½¸ö¹â»¬µÄ»¬ÂÖAºÍB£¬½«Éþ×Ó´òÒ»¸ö½áµãO£¬Ã¿¸ö¹³ÂëµÄÖÊÁ¿ÏàµÈ£¬µ±ÏµÍ³´ïµ½Æ½ºâʱ£¬¸ù¾Ý¹³Âë¸öÊý¶Á³öÈý¸ùÉþ×ÓµÄÀ­Á¦TOA¡¢TOBºÍTOC£¬»Ø´ðÏÂÁÐÎÊÌ⣺
a¸Ä±ä¹³Âë¸öÊý£¬ÊµÑéÄÜÍê³ÉµÄÊÇ
 

¾«Ó¢¼Ò½ÌÍø
A£®¹³ÂëµÄ¸öÊýN1=N2=2£¬N3=4
B£®¹³ÂëµÄ¸öÊýN1=N3=3£¬N2=4
C£®¹³ÂëµÄ¸öÊýN1=N2=N3=4
D£®¹³ÂëµÄ¸öÊýN1=3£¬N2=4£¬N3=5
bÔÚ²ðϹ³ÂëºÍÉþ×ÓÇ°£¬Ó¦¸Ã×öºÃÈý¸ö·½ÃæµÄ¼Ç¼£º
 
£»
 
£»
 

£¨2£©Èçͼ2ËùʾװÖã¬ÔÚ̽¾¿Ó°ÏìƽÐаåµçÈÝÆ÷µçÈݵÄÒòËØʵÑéÖУ¬¢Ù³äºÃµçµÄƽÐаåµçÈÝÆ÷µÄ¼«°åAÓëÒ»¾²µç¼ÆÏà½Ó£¬¼«°åB½ÓµØ£®Èô¼«°åBÉÔÏòÉÏÒƶ¯Ò»µã£¬Óɹ۲쵽µÄ¾²µç¼ÆÖ¸Õë±ä»¯·ÖÎöƽÐаåµçÈÝÆ÷µçÈݱäС½áÂÛµÄÒÀ¾ÝÊÇ
 

A£®Á½¼«°å¼äµÄµçѹ²»±ä£¬¼«°åÉϵĵçÁ¿±ä´ó
B£®Á½¼«°å¼äµÄµçѹ²»±ä£¬¼«°åÉϵĵçÁ¿±äС
C£®¼«°åÉϵĵçÁ¿¼¸ºõ²»±ä£¬Á½¼«°å¼äµÄµçѹ±ä´ó
D£®¼«°åÉϵĵçÁ¿¼¸ºõ²»±ä£¬Á½¼«°å¼äµÄµçѹ±äС
¢ÚÈçͼ3ËùʾΪµçÈÝʽ´«¸ÐÆ÷¹¹¼þµÄʾÒâͼ£¬¹¤×÷ʱ¶¯Æ¬£¨µç¼«°åA£©ÑØƽÐÐÓÚ¶¨Æ¬£¨µç¼«°åB£©µÄ·½Ïò·¢ÉúһС¶ÎλÒÆs£¬µçÈÝC±ã·¢Éú±ä»¯£¬Í¨¹ý²âÁ¿µçÈÝCµÄ±ä»¯Çé¿ö¾Í¿ÉÒÔÖªµÀλÒÆs£®Èç¹ûºöÂÔ¼«°åµÄ±ßԵЧӦ£¬ÄÇôÔÚͼÖУ¬ÄÜÕýÈ··´Ó³µçÈÝCºÍλÒÆs¼äº¯Êý¹ØϵµÄÊÇ
 
£®£¨Ñ¡ÌîÑ¡ÏîÇ°ÃæµÄ×Öĸ£©
¾«Ó¢¼Ò½ÌÍø
£¨3£©Ä³Í¬Ñ§ÔÚ̽¾¿Ó°Ïìµ¥°ÚÕñ¶¯ÖÜÆÚµÄÒòËØʱ£¬Õë¶Ô×Ô¼º¿¼Âǵ½µÄ¼¸¸ö¿ÉÄÜÓ°ÏìÖÜÆÚµÄÎïÀíÁ¿Éè¼ÆÁËʵÑé·½°¸£¬²¢ÈÏÕæ½øÐÐÁËʵÑé²Ù×÷£¬È¡µÃÁËʵÑéÊý¾Ý£®Ëû¾­¹ý·ÖÎöºó£¬ÔÚʵÑéÎó²î·¶Î§ÄÚ£¬ÕÒµ½ÁËÔڰڽǽÏСµÄÇé¿öÏÂÓ°Ïìµ¥°ÚÖÜÆÚµÄÒ»¸öÎïÀíÁ¿£¬²¢Í¨¹ý×÷ͼÏóÕÒµ½Á˵¥°ÚÖÜÆÚÓëÕâ¸öÎïÀíÁ¿µÄÃ÷È·µÄÊýÁ¿¹Øϵ£®¸ÃͬѧµÄʵÑéÊý¾Ý¼Ç¼ÈçÏ£º
°Ú³¤L/m
ÖÜÆÚT/s
×î´ó°Ú½Ç¦È/¡ã
°ÚÇòÖÖÀ༰ÖÊÁ¿m/g 
0.7000 0.7500 0.8000 0.8500 0.9000
¸ÖÇòA
8.0
3.0 1.69 1.73 1.80 1.86 1.89
9.0 1.68 1.74 1.79 1.85 1.90
¸ÖÇòB
16.0
3.0 1.68 1.74 1.79 1.85 1.90
9.0 1.69 1.73 1.80 1.85 1.89
Í­Çò
20.0
3.0 1.68 1.74 1.80 1.85 1.90
9.0 1.68 1.74 1.79 1.85 1.90
ÂÁÇò
6.0
3.0 1.68 1.74 1.80 1.85 1.90
9.0 1.69 1.74 1.80 1.86 1.91
¢Ù·ÖÎöÉÏÃæʵÑé±í¸ñÖеÄÊý¾Ý£¬ÄãÈÏΪÔڰڽǽÏСµÄÇé¿öÏÂÓ°Ïìµ¥°ÚÖÜÆÚµÄÕâ¸öÎïÀíÁ¿ÊÇ£º
 
£®
¢ÚÀûÓñíÖиø³öµÄÊý¾Ý£¬ÊÔÔÚͼ4ÖÐ×ø±êÖ½ÉÏ»­³öT2ÓëLµÄ¹ØϵͼÏߣ¬¸ÃͼÏßбÂÊkµÄ±í´ïʽk=
 
£¬kµÄÊýֵΪk=
 
£®ÀûÓÃͼÏßбÂÊk±íʾÖØÁ¦¼ÓËٶȵıí´ïʽΪg=
 
£¨ÓÃ×Öĸ±íʾ£©£®

ijͬѧÓÃÈçͼ9ËùʾµÄʵÑé×°ÖÃÑé֤ţ¶ÙµÚ¶þ¶¨ÂÉ£¬Çë»Ø´ðÏÂÁÐÓйشËʵÑéµÄÎÊÌ⣺

£¨1£©¸ÃͬѧÔÚʵÑéÇ°×¼±¸ÁËͼ9ÖÐËùʾµÄʵÑé×°Öü°ÏÂÁи¨ÖúÆ÷²Ä£º

A£®½»Á÷µçÔ´¡¢µ¼Ïß      

B£®Ììƽ(º¬ÅäÌ×íÀÂë)      

C£®Ãë±í

D£®¿Ì¶È³ß

E£®Ï¸Ïß¡¢É°ºÍСɰͰ     

ÆäÖв»±ØÒªµÄÆ÷²ÄÊÇ         (Ìî´úºÅ)¡£

£¨2£©´òµã¼ÆʱÆ÷ÔÚС³µÍ϶¯µÄÖ½´øÉÏ´òÏÂһϵÁе㼣£¬ÒԴ˼Ç¼С³µµÄÔ˶¯Çé¿ö¡£ÆäÖÐÒ»²¿·ÖÖ½´øÉϵĵ㼣Çé¿öÈçͼ10¼×Ëùʾ£¬ÒÑÖª´òµã¼ÆʱÆ÷´òµãµÄʱ¼ä¼ä¸ôT=0.02s£¬²âµÃAµãµ½B¡¢CµãµÄ¾àÀë·Ö±ðΪx1=5.99cm¡¢x2=13.59cm£¬ÔòÔÚ´òϵ㼣Bʱ£¬Ð¡³µÔ˶¯µÄËÙ¶ÈvB=          m/s£»Ð¡³µ×öÔȼÓËÙÖ±ÏßÔ˶¯µÄ¼ÓËÙ¶Èa=              m/s2¡££¨½á¹û±£ÁôÈýλÓÐЧÊý×Ö£©

£¨3£©ÔÚÑéÖ¤¡°ÖÊÁ¿Ò»¶¨£¬¼ÓËÙ¶ÈaÓëºÏÍâÁ¦FµÄ¹Øϵ¡±Ê±£¬Ä³Ñ§Éú¸ù¾ÝʵÑéÊý¾Ý×÷³öÁËÈçͼ10ÒÒËùʾµÄa-FͼÏó£¬ÆäÖÐͼÏß²»¹ýÔ­µãµÄÔ­ÒòÊÇ                                £¬Í¼ÏßÔÚÄ©¶ËÍäÇúµÄÔ­ÒòÊÇ                               ¡£

 


Î¥·¨ºÍ²»Á¼ÐÅÏ¢¾Ù±¨µç»°£º027-86699610 ¾Ù±¨ÓÊÏ䣺58377363@163.com

¾«Ó¢¼Ò½ÌÍø